feat(add-ledger): 新增线路类型和设备单位管理功能

- 添加线路类型常量定义（主网0，配网1）及验证逻辑 - 新增设备单位查询和保存接口及实现 - 新增监测点限值查询接口 - 扩展AddLedgerDetailVO和AddLedgerLinePO实体类以支持线路类型字段 - 在测点保存时自动计算并保存限值信息 - 添加设备单位默认配置初始化逻辑 - 新增COverlimitUtil工具类用于限值计算 - 完善相关单元测试用例
feat(steady): 新增数据校验功能并优化稳态趋势查询
2026-05-29 15:15:22 +08:00 · 2026-05-27 08:04:49 +08:00 · 2026-05-21 21:13:17 +08:00 · 2026-05-21 16:44:42 +08:00
86 changed files with 8056 additions and 10 deletions
--- a/docs/superpowers/plans/2026-05-21-deploy-linux-ssh-sftp.md
+++ b/docs/superpowers/plans/2026-05-21-deploy-linux-ssh-sftp.md
--- a/docs/superpowers/specs/2026-05-21-deploy-linux-ssh-sftp-design.md
+++ b/docs/superpowers/specs/2026-05-21-deploy-linux-ssh-sftp-design.md
@@ -0,0 +1,514 @@
+# Linux 服务器部署运维设计
+
+## 1. 背景
+
+`system-ops/deploy` 当前只提供系统部署菜单的基础入口：
+
+- `GET /deploy/overview`
+- `DeployController`
+- `DeployService`
+- `DeployOverviewVO`
+
+本次需求是在 `deploy` 模块中补充 Linux 服务器远程运维能力。用户可以维护 Linux 服务器连接配置，基于 SSH/SFTP 连接服务器，完成远程文件上传、下载和基础命令终端操作。命令终端目标体验接近 Xshell 的基础能力。
+
+当前仓库没有前端代码，本设计只定义页面布局、接口契约、后端模块拆分、数据存储和验证方式，不实现真实前端页面。
+
+## 2. 范围确认
+
+本期只支持 Linux 服务器。
+
+本期包含：
+
+- Linux SSH 连接配置的新增、编辑、删除、查询。
+- SSH 连接测试。
+- SFTP 文件列表、上传、下载、删除、新建目录。
+- SSH Shell 基础命令交互。
+- 前端单页运维工作台布局设计。
+- 连接配置使用文件方式存储，不新建数据库表。
+
+本期不包含：
+
+- Windows 服务器。
+- FTP 协议。
+- 数据库存储连接配置。
+- 部署任务编排。
+- 命令审批、命令黑名单、命令历史。
+- 批量文件压缩下载。
+- 数据库专用客户端封装。
+- Maven 编译、打包、测试。
+
+说明：需求中提到的 “FPT” 本期按 Linux 服务器常用能力理解为 SFTP。SFTP 复用 SSH 账号、密码和端口，比单独 FTP 更适合本期场景。
+
+## 3. 总体方案
+
+推荐采用 “SSH/SFTP + WebSocket 终端” 方案：
+
+- 服务器连接配置保存到本地 JSON 文件。
+- 后端通过 SSH 建立 Linux 连接。
+- 文件操作通过 SFTP 通道完成。
+- 终端操作通过 SSH Shell 通道完成。
+- 前端通过 WebSocket 与后端交换终端输入输出。
+
+该方案可以复用同一份服务器连接配置，不需要引入 Windows 远程协议，也能满足类 Xshell 的基础交互需求。
+
+## 4. 前端页面布局
+
+页面路径建议沿用当前菜单路径：
+
+```text
+/systemOps/deploy
+```
+
+页面采用三块工作区：
+
+- 左侧：服务器列表。
+- 中间：远程文件管理。
+- 右侧：连接详情和快捷操作。
+- 底部：SSH 终端区。
+
+推荐布局：
+
+```text
+┌──────────────────────────────────────────────────────────────┐
+│ 顶部工具栏：新增连接  测试连接  刷新  当前连接状态              │
+├──────────────┬──────────────────────────────┬────────────────┤
+│ 服务器列表     │ 远程文件管理                    │ 连接详情/操作     │
+│              │                              │                │
+│ Linux-测试    │ 路径栏：/opt/app               │ 主机/IP          │
+│ Linux-生产    │ 上传  下载  新建目录  删除  刷新 │ 用户名           │
+│              │                              │ 端口             │
+│              │ 文件表格                       │ 测试连接         │
+│              │                              │ 打开终端         │
+├──────────────┴──────────────────────────────┴────────────────┤
+│ 终端 Tabs：Linux-测试                                         │
+│ $ pwd                                                        │
+│ /opt/app                                                     │
+└──────────────────────────────────────────────────────────────┘
+```
+
+### 4.1 服务器列表
+
+左侧服务器列表用于选择当前操作目标。
+
+展示字段：
+
+| 字段 | 说明 |
+|---|---|
+| 名称 | 服务器显示名称 |
+| 主机地址 | IP 或域名 |
+| SSH 端口 | 默认 22 |
+| 连接状态 | 未测试、连接成功、连接失败 |
+
+交互：
+
+- 支持按名称、主机地址搜索。
+- 点击服务器后加载连接详情，并将文件管理区切换到该服务器。
+- 列表项提供编辑、删除、测试连接入口。
+- 删除连接前必须二次确认。
+
+### 4.2 连接配置弹窗
+
+新增和编辑使用同一个弹窗。
+
+字段：
+
+| 字段 | 是否必填 | 说明 |
+|---|---|---|
+| 名称 | 是 | 页面展示名称 |
+| 主机地址 | 是 | Linux 服务器 IP 或域名 |
+| SSH 端口 | 是 | 默认 22，范围 1-65535 |
+| 用户名 | 是 | SSH 登录用户 |
+| 密码 | 新增必填 | 编辑时留空表示不修改 |
+| 备注 | 否 | 环境说明 |
+
+按钮：
+
+- 测试连接。
+- 保存。
+- 取消。
+
+密码规则：
+
+- 新增连接时密码必填。
+- 编辑连接时密码不回显。
+- 编辑时密码为空表示沿用原密码。
+- 查询列表和详情接口均不返回密码。
+
+### 4.3 远程文件管理
+
+中间文件管理区基于当前选中的服务器工作。
+
+顶部路径栏：
+
+- 展示当前远程目录，例如 `/opt/app`。
+- 支持返回上级目录。
+- 支持点击面包屑跳转到上级路径。
+
+工具栏：
+
+- 上传。
+- 下载。
+- 新建目录。
+- 删除。
+- 刷新。
+
+文件表格字段：
+
+| 字段 | 说明 |
+|---|---|
+| 名称 | 文件或目录名称 |
+| 类型 | 文件、目录、软链接 |
+| 大小 | 文件大小，目录可为空 |
+| 权限 | Linux 权限字符串 |
+| 修改时间 | 远程文件修改时间 |
+
+交互规则：
+
+- 双击目录进入下级目录。
+- 下载只支持普通文件。
+- 删除文件或目录前必须二次确认。
+- 本期支持单文件上传和单文件下载。
+- 上传目标目录为当前路径。
+- 下载目录、批量压缩下载不在本期范围。
+
+### 4.4 SSH 终端区
+
+底部终端区用于执行 Linux 命令。
+
+交互规则：
+
+- 点击“打开终端”后创建 SSH Shell 会话。
+- 前端输入通过 WebSocket 实时发送给后端。
+- 后端将 Shell 输出通过 WebSocket 实时推送给前端。
+- 本期建议限制为每台服务器最多一个终端会话。
+- 关闭终端 Tab 时通知后端释放 SSH 会话。
+- 终端断开后显示状态，不自动重连。
+
+用户可以在终端中自行执行数据库命令，例如：
+
+```bash
+mysql -uroot -p
+psql -h 127.0.0.1 -U postgres
+redis-cli
+```
+
+后端不解析数据库命令，也不保存命令历史。
+
+## 5. 后端结构设计
+
+在 `system-ops/deploy` 模块内按职责新增类，保留现有 `DeployController` 的 `/deploy/overview`。
+
+建议结构：
+
+```text
+system-ops/deploy/src/main/java/com/njcn/gather/systemops/deploy/
+├── config/
+├── controller/
+├── pojo/param/
+├── pojo/vo/
+├── pojo/dto/
+├── repository/
+├── service/
+├── service/impl/
+└── websocket/
+```
+
+职责拆分：
+
+| 类 | 职责 |
+|---|---|
+| `DeployServerController` | 连接配置查询、新增、编辑、删除、测试连接 |
+| `DeployFileController` | SFTP 文件列表、上传、下载、删除、新建目录 |
+| `DeployTerminalWebSocketHandler` | SSH 终端 WebSocket 输入输出转发 |
+| `DeployServerConfigService` | 连接配置业务校验和编排 |
+| `DeployServerConfigRepository` | JSON 文件读写 |
+| `DeploySftpService` | SFTP 文件操作 |
+| `DeploySshTerminalService` | SSH Shell 会话创建、输入、输出、关闭 |
+| `DeployCryptoService` | 密码加密和解密 |
+| `DeployProperties` | deploy 配置项绑定 |
+
+## 6. 连接配置存储
+
+连接配置不入库，使用 JSON 文件落盘。存储目录通过配置指定。
+
+建议配置：
+
+```yaml
+deploy:
+  storage-dir: ${log.homeDir}/deploy
+  terminal-idle-timeout-minutes: 30
+```
+
+`deploy.crypto-key` 不建议在默认 `application.yml` 中配置明文值。后续实现时可通过环境覆盖或外部配置提供，业务代码只读取配置，不写死密钥。
+
+落盘文件：
+
+```text
+D:\logs\deploy\deploy-server-connections.json
+```
+
+JSON 结构：
+
+```json
+{
+  "servers": [
+    {
+      "id": "uuid",
+      "name": "测试服务器",
+      "host": "192.168.1.10",
+      "sshPort": 22,
+      "username": "root",
+      "password": "加密密文",
+      "description": "测试环境",
+      "createdTime": "2026-05-21 14:00:00",
+      "updatedTime": "2026-05-21 14:00:00"
+    }
+  ]
+}
+```
+
+写文件规则：
+
+- 启动时如果文件不存在，自动创建空配置文件。
+- 读写方法集中在 `DeployServerConfigRepository`。
+- 写入时先写临时文件，再替换正式文件，避免进程中断导致 JSON 损坏。
+- 保存和删除操作需要加进程内锁，避免并发写入互相覆盖。
+
+密码规则：
+
+- 密码必须加密后落盘。
+- 接口返回不包含密码。
+- 日志不打印密码。
+- 优先复用项目已有加密能力；如没有合适工具，则在 `deploy` 内封装 AES 加解密组件。
+- 加密密钥通过配置提供，不在业务代码中硬编码。
+
+## 7. 接口设计
+
+接口风格沿用当前仓库常见写法：查询和变更优先使用 `POST`，返回 `HttpResult<T>`。
+
+### 7.1 连接配置接口
+
+| 方法 | 路径 | 说明 |
+|---|---|---|
+| `POST` | `/deploy/server/list` | 查询服务器连接配置列表 |
+| `POST` | `/deploy/server/add` | 新增服务器连接配置 |
+| `POST` | `/deploy/server/update` | 修改服务器连接配置 |
+| `POST` | `/deploy/server/delete` | 删除服务器连接配置 |
+| `POST` | `/deploy/server/test` | 测试 SSH 连接 |
+
+列表返回字段：
+
+| 字段 | 说明 |
+|---|---|
+| `id` | 连接 ID |
+| `name` | 服务器名称 |
+| `host` | 主机地址 |
+| `sshPort` | SSH 端口 |
+| `username` | 用户名 |
+| `description` | 备注 |
+| `createdTime` | 创建时间 |
+| `updatedTime` | 更新时间 |
+
+新增参数：
+
+| 字段 | 是否必填 |
+|---|---|
+| `name` | 是 |
+| `host` | 是 |
+| `sshPort` | 是 |
+| `username` | 是 |
+| `password` | 是 |
+| `description` | 否 |
+
+编辑参数：
+
+| 字段 | 是否必填 | 说明 |
+|---|---|---|
+| `id` | 是 | 连接 ID |
+| `name` | 是 | 服务器名称 |
+| `host` | 是 | 主机地址 |
+| `sshPort` | 是 | SSH 端口 |
+| `username` | 是 | 用户名 |
+| `password` | 否 | 为空表示不修改 |
+| `description` | 否 | 备注 |
+
+### 7.2 文件接口
+
+| 方法 | 路径 | 说明 |
+|---|---|---|
+| `POST` | `/deploy/file/list` | 查询远程目录文件列表 |
+| `POST` | `/deploy/file/mkdir` | 新建远程目录 |
+| `POST` | `/deploy/file/delete` | 删除远程文件或目录 |
+| `POST` | `/deploy/file/upload` | 上传本地文件到远程目录 |
+| `POST` | `/deploy/file/download` | 下载远程普通文件 |
+
+文件列表参数：
+
+| 字段 | 是否必填 | 说明 |
+|---|---|---|
+| `serverId` | 是 | 服务器连接 ID |
+| `path` | 是 | 远程目录路径 |
+
+文件列表返回字段：
+
+| 字段 | 说明 |
+|---|---|
+| `name` | 文件名 |
+| `path` | 完整路径 |
+| `type` | `FILE`、`DIRECTORY`、`LINK` |
+| `size` | 文件大小 |
+| `permissions` | 权限字符串 |
+| `modifiedTime` | 修改时间 |
+
+下载接口直接写入 `HttpServletResponse`。下载文件名沿用远程文件名，不追加日期；仓库“导出或生成文件追加日期”的规则适用于后端生成或导出文件，本功能是下载远程已有文件，不改变原文件名。
+
+### 7.3 终端 WebSocket
+
+终端连接：
+
+```text
+WebSocket /deploy/terminal?serverId={serverId}
+```
+
+前端发送输入：
+
+```json
+{
+  "type": "input",
+  "data": "ls -la\n"
+}
+```
+
+前端发送窗口大小：
+
+```json
+{
+  "type": "resize",
+  "cols": 120,
+  "rows": 30
+}
+```
+
+后端输出：
+
+```json
+{
+  "type": "output",
+  "data": "total 20\r\n..."
+}
+```
+
+后端状态：
+
+```json
+{
+  "type": "status",
+  "status": "CONNECTED"
+}
+```
+
+异常消息：
+
+```json
+{
+  "type": "error",
+  "message": "SSH连接失败"
+}
+```
+
+## 8. 参数校验
+
+后端至少补充以下校验：
+
+- 服务器名称不能为空。
+- 主机地址不能为空。
+- SSH 端口范围为 `1-65535`。
+- 用户名不能为空。
+- 新增连接时密码不能为空。
+- 编辑连接时 `id` 必须存在。
+- 删除连接时 `id` 必须存在。
+- 同一主机、端口、用户名组合不建议重复保存。
+- 文件路径不能为空。
+- 文件上传目标必须是远程目录。
+- 下载目标必须是远程普通文件。
+- 删除路径不能为空，不能删除空路径或根目录 `/`。
+- 新建目录名称不能为空，不能包含路径分隔符。
+
+## 9. 安全与资源控制
+
+安全规则：
+
+- 密码不明文落盘。
+- 接口返回不包含密码。
+- 日志不打印密码、终端输入内容、文件内容。
+- 终端不保存命令历史。
+- 文件路径需要做基础规范化，避免空路径、非法路径和目录穿越。
+- 下载只允许下载普通文件。
+
+资源规则：
+
+- SSH 连接测试设置连接超时，例如 5 秒。
+- SFTP 操作每次请求创建短连接，操作完成后释放。
+- 终端会话保持长连接，关闭 WebSocket 后释放 SSH Session 和 Channel。
+- 终端会话设置空闲超时，默认 30 分钟。
+- 本期每台服务器最多保留一个终端会话。
+
+## 10. 依赖建议
+
+后续实现 SSH/SFTP 时建议优先选择 Java 8 可用、项目易接入的 SSH 客户端库，例如 JSch 或 sshj。
+
+选择标准：
+
+- 支持 SSH 密码登录。
+- 支持 SFTP 文件操作。
+- 支持 Shell Channel。
+- 能在 Spring Boot 2.3 和 Java 8 下稳定使用。
+
+最终依赖需要写入 `system-ops/deploy/pom.xml`，不影响其他模块。
+
+## 11. 错误处理
+
+连接测试需要区分常见错误：
+
+| 场景 | 返回说明 |
+|---|---|
+| 主机不可达 | 连接服务器失败 |
+| 端口不通 | SSH端口连接失败 |
+| 账号或密码错误 | SSH认证失败 |
+| SFTP 打开失败 | 文件通道打开失败 |
+| 终端打开失败 | Shell通道打开失败 |
+
+接口层仍使用项目现有 `HttpResult` 和 `CommonResponseEnum` 风格。具体错误文案由 Service 返回给 Controller，不新增全局异常体系。
+
+## 12. 验证方式
+
+默认不执行 Maven 编译、打包、测试命令。后续实现完成后按以下方式验证：
+
+- 检查 `deploy` 新增代码只位于 `system-ops/deploy`。
+- 新增连接后，接口返回和 JSON 文件内容一致。
+- 编辑连接时密码留空不会覆盖原密码。
+- 删除连接后，JSON 文件同步移除对应记录。
+- 查询接口不返回密码。
+- JSON 文件中密码不是明文。
+- 测试连接能识别成功、主机不可达、端口不通、账号密码错误。
+- 文件列表能展示远程目录内容。
+- 上传文件后远程目录可见。
+- 下载普通文件内容与远程文件一致。
+- 删除文件或目录后远程路径不存在。
+- 新建目录后远程路径存在。
+- 终端能打开 Linux Shell，执行 `pwd`、`ls -la`、`mysql --version` 等基础命令。
+- 关闭终端后，后端 SSH 会话被释放。
+
+## 13. 后续扩展
+
+后续如需求增加，可以在当前方案基础上扩展：
+
+- SSH 私钥登录。
+- 多终端 Tab。
+- 命令审计和历史记录。
+- 命令黑名单或审批。
+- 部署脚本编排。
+- 文件批量上传和批量下载。
+- Windows WinRM 或 PowerShell Remoting。
+
+这些能力不进入本期实现，避免当前 `deploy` 模块从基础入口一次扩张为完整运维平台。
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareCalculator.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareCalculator.java
@@ -0,0 +1,75 @@
+package com.njcn.gather.steady.checksquare.component;
+
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareSegmentVO;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * 数据校验连续性计算组件。
+ */
+@Component
+public class SteadyChecksquareCalculator {
+
+    public static final String STATUS_NORMAL = "NORMAL";
+    public static final String STATUS_MISSING = "MISSING";
+    private static final DateTimeFormatter OUTPUT_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+
+    public List<SteadyChecksquareSegmentVO> buildSegments(List<LocalDateTime> slots, Set<LocalDateTime> actualSlots,
+                                                          int intervalMinutes) {
+        List<SteadyChecksquareSegmentVO> result = new ArrayList<SteadyChecksquareSegmentVO>();
+        if (slots == null || slots.isEmpty()) {
+            return result;
+        }
+        String currentStatus = resolveStatus(slots.get(0), actualSlots);
+        LocalDateTime segmentStart = slots.get(0);
+        LocalDateTime previousSlot = slots.get(0);
+        int pointCount = 1;
+        for (int i = 1; i < slots.size(); i++) {
+            LocalDateTime slot = slots.get(i);
+            String status = resolveStatus(slot, actualSlots);
+            if (!currentStatus.equals(status)) {
+                result.add(buildSegment(segmentStart, previousSlot, currentStatus, pointCount, intervalMinutes));
+                segmentStart = slot;
+                pointCount = 0;
+                currentStatus = status;
+            }
+            previousSlot = slot;
+            pointCount++;
+        }
+        result.add(buildSegment(segmentStart, previousSlot, currentStatus, pointCount, intervalMinutes));
+        return result;
+    }
+
+    public int maxContinuousMissingMinutes(List<SteadyChecksquareSegmentVO> segments) {
+        int result = 0;
+        if (segments == null) {
+            return result;
+        }
+        for (SteadyChecksquareSegmentVO segment : segments) {
+            if (segment != null && STATUS_MISSING.equals(segment.getStatus()) && segment.getDurationMinutes() != null) {
+                result = Math.max(result, segment.getDurationMinutes());
+            }
+        }
+        return result;
+    }
+
+    private SteadyChecksquareSegmentVO buildSegment(LocalDateTime startTime, LocalDateTime endTime, String status,
+                                                   int pointCount, int intervalMinutes) {
+        SteadyChecksquareSegmentVO segment = new SteadyChecksquareSegmentVO();
+        segment.setStartTime(OUTPUT_TIME_FORMATTER.format(startTime));
+        segment.setEndTime(OUTPUT_TIME_FORMATTER.format(endTime));
+        segment.setStatus(status);
+        segment.setMissingPointCount(STATUS_MISSING.equals(status) ? pointCount : 0);
+        segment.setDurationMinutes(pointCount * intervalMinutes);
+        return segment;
+    }
+
+    private String resolveStatus(LocalDateTime slot, Set<LocalDateTime> actualSlots) {
+        return actualSlots != null && actualSlots.contains(slot) ? STATUS_NORMAL : STATUS_MISSING;
+    }
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareInfluxQueryComponent.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareInfluxQueryComponent.java
@@ -0,0 +1,201 @@
+package com.njcn.gather.steady.checksquare.component;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.gather.steady.datavie.config.SteadyInfluxDbProperties;
+import com.njcn.gather.steady.datavie.pojo.bo.SteadyTrendResolvedFieldBO;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URLEncoder;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.time.LocalDateTime;
+import java.time.OffsetDateTime;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * 数据校验 InfluxDB 查询组件。
+ */
+@Slf4j
+@Component
+@RequiredArgsConstructor
+public class SteadyChecksquareInfluxQueryComponent {
+
+    private static final DateTimeFormatter INFLUX_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'");
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+    private final SteadyInfluxDbProperties properties;
+
+    public Set<LocalDateTime> queryExistingSlots(SteadyTrendResolvedFieldBO field, LocalDateTime startTime,
+                                                 LocalDateTime endTime, int intervalMinutes) {
+        validateConfig();
+        String query = buildChecksquareQuery(field, startTime, endTime);
+        long startMillis = System.currentTimeMillis();
+        log.info("数据校验 InfluxDB 查询开始，measurement={}，field={}，lineId={}，phase={}，statType={}，query={}",
+                field.getMeasurement(), field.getField(), field.getLineId(), field.getPhase(), field.getStatType(), query);
+        try {
+            String body = executeQuery(query);
+            Set<LocalDateTime> slots = parseExistingSlots(body, intervalMinutes);
+            log.info("数据校验 InfluxDB 查询结束，slotCount={}，costMs={}", slots.size(), System.currentTimeMillis() - startMillis);
+            return slots;
+        } catch (RuntimeException ex) {
+            log.warn("数据校验 InfluxDB 查询异常，costMs={}，error={}", System.currentTimeMillis() - startMillis, ex.getMessage());
+            throw ex;
+        }
+    }
+
+    public String buildChecksquareQuery(SteadyTrendResolvedFieldBO field, LocalDateTime startTime, LocalDateTime endTime) {
+        StringBuilder sql = new StringBuilder();
+        sql.append("SELECT \"").append(field.getField()).append("\" AS \"value\"");
+        sql.append(" FROM \"").append(field.getMeasurement()).append("\"");
+        sql.append(" WHERE time >= '").append(INFLUX_TIME_FORMATTER.format(startTime)).append("'");
+        sql.append(" AND time <= '").append(INFLUX_TIME_FORMATTER.format(endTime)).append("'");
+        sql.append(" AND \"line_id\" = '").append(escapeTagValue(field.getLineId())).append("'");
+        sql.append(" AND \"phasic_type\" = '").append(escapeTagValue(field.getPhase())).append("'");
+        if (hasValueTypeTag(field.getMeasurement())) {
+            sql.append(" AND \"value_type\" = '").append(resolveValueType(field.getStatType())).append("'");
+        }
+        sql.append(" ORDER BY time ASC");
+        return sql.toString();
+    }
+
+    private Set<LocalDateTime> parseExistingSlots(String body, int intervalMinutes) {
+        try {
+            JsonNode root = OBJECT_MAPPER.readTree(body);
+            JsonNode values = root.path("results").path(0).path("series").path(0).path("values");
+            Set<LocalDateTime> result = new HashSet<LocalDateTime>();
+            if (!values.isArray()) {
+                return result;
+            }
+            for (JsonNode value : values) {
+                if (value.size() < 2 || value.get(1).isNull()) {
+                    continue;
+                }
+                LocalDateTime time = parseInfluxTime(value.get(0).asText());
+                if (time != null) {
+                    result.add(alignToPreviousSlot(time, intervalMinutes));
+                }
+            }
+            return result;
+        } catch (IOException ex) {
+            throw fail("InfluxDB 返回结果解析失败：" + ex.getMessage());
+        }
+    }
+
+    private LocalDateTime alignToPreviousSlot(LocalDateTime time, int intervalMinutes) {
+        LocalDateTime minuteFloor = time.withSecond(0).withNano(0);
+        int minuteOfDay = minuteFloor.getHour() * 60 + minuteFloor.getMinute();
+        int remainder = minuteOfDay % intervalMinutes;
+        return minuteFloor.minusMinutes(remainder);
+    }
+
+    private LocalDateTime parseInfluxTime(String value) {
+        try {
+            return OffsetDateTime.parse(value).withOffsetSameInstant(ZoneOffset.UTC).toLocalDateTime();
+        } catch (RuntimeException ex) {
+            return null;
+        }
+    }
+
+    private String executeQuery(String query) {
+        HttpURLConnection connection = null;
+        try {
+            URL url = new URL(buildQueryUrl(query));
+            connection = (HttpURLConnection) url.openConnection();
+            connection.setRequestMethod("GET");
+            connection.setConnectTimeout(properties.getConnectTimeoutMs());
+            connection.setReadTimeout(properties.getReadTimeoutMs());
+            int status = connection.getResponseCode();
+            InputStream stream = status >= 200 && status < 300 ? connection.getInputStream() : connection.getErrorStream();
+            String body = readBody(stream);
+            if (status < 200 || status >= 300) {
+                throw fail("InfluxDB 查询失败：" + body);
+            }
+            return body;
+        } catch (IOException ex) {
+            throw fail("InfluxDB 查询异常：" + ex.getMessage());
+        } finally {
+            if (connection != null) {
+                connection.disconnect();
+            }
+        }
+    }
+
+    private String buildQueryUrl(String query) throws IOException {
+        StringBuilder url = new StringBuilder(trimRightSlash(properties.getUrl())).append("/query?");
+        url.append("db=").append(encode(properties.getDatabase()));
+        if (properties.getUsername() != null && !properties.getUsername().trim().isEmpty()) {
+            url.append("&u=").append(encode(properties.getUsername().trim()));
+        }
+        if (properties.getPassword() != null && !properties.getPassword().trim().isEmpty()) {
+            url.append("&p=").append(encode(properties.getPassword()));
+        }
+        url.append("&q=").append(encode(query));
+        return url.toString();
+    }
+
+    private void validateConfig() {
+        if (properties.getUrl() == null || properties.getUrl().trim().isEmpty()) {
+            throw fail("InfluxDB 地址未配置");
+        }
+        if (properties.getDatabase() == null || properties.getDatabase().trim().isEmpty()) {
+            throw fail("InfluxDB database 未配置");
+        }
+    }
+
+    private String readBody(InputStream stream) throws IOException {
+        if (stream == null) {
+            return "";
+        }
+        BufferedReader reader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
+        StringBuilder body = new StringBuilder();
+        String line;
+        while ((line = reader.readLine()) != null) {
+            body.append(line);
+        }
+        return body.toString();
+    }
+
+    private String escapeTagValue(String value) {
+        return value == null ? "" : value.replace("\\", "\\\\").replace("'", "\\'");
+    }
+
+    private String resolveValueType(String statType) {
+        if (statType == null || statType.trim().isEmpty()) {
+            return "AVG";
+        }
+        return statType.trim().toUpperCase();
+    }
+
+    private boolean hasValueTypeTag(String measurement) {
+        return !"data_flicker".equals(measurement) && !"data_fluc".equals(measurement) && !"data_plt".equals(measurement);
+    }
+
+    private String trimRightSlash(String value) {
+        String text = value.trim();
+        while (text.endsWith("/")) {
+            text = text.substring(0, text.length() - 1);
+        }
+        return text;
+    }
+
+    private String encode(String value) throws IOException {
+        return URLEncoder.encode(value, StandardCharsets.UTF_8.name());
+    }
+
+    private BusinessException fail(String message) {
+        return new BusinessException(CommonResponseEnum.FAIL, message);
+    }
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/controller/SteadyChecksquareController.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/controller/SteadyChecksquareController.java
@@ -0,0 +1,43 @@
+package com.njcn.gather.steady.checksquare.controller;
+
+import com.njcn.common.pojo.annotation.OperateInfo;
+import com.njcn.common.pojo.enums.common.LogEnum;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.response.HttpResult;
+import com.njcn.common.utils.LogUtil;
+import com.njcn.gather.steady.checksquare.pojo.param.SteadyChecksquareQueryParam;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareQueryVO;
+import com.njcn.gather.steady.checksquare.service.SteadyChecksquareService;
+import com.njcn.web.controller.BaseController;
+import com.njcn.web.utils.HttpResultUtil;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 数据校验接口。
+ */
+@Slf4j
+@Api(tags = "数据校验")
+@RestController
+@RequestMapping("/steady/data-view/checksquare")
+@RequiredArgsConstructor
+public class SteadyChecksquareController extends BaseController {
+
+    private final SteadyChecksquareService checksquareService;
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询数据校验结果")
+    @PostMapping("/query")
+    public HttpResult<SteadyChecksquareQueryVO> query(@RequestBody SteadyChecksquareQueryParam param) {
+        String methodDescribe = getMethodDescribe("query");
+        LogUtil.njcnDebug(log, "{}，开始查询数据校验结果，param={}", methodDescribe, param);
+        SteadyChecksquareQueryVO result = checksquareService.query(param);
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, result, methodDescribe);
+    }
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/param/SteadyChecksquareQueryParam.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/param/SteadyChecksquareQueryParam.java
@@ -0,0 +1,33 @@
+package com.njcn.gather.steady.checksquare.pojo.param;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 数据校验查询参数。
+ */
+@Data
+@ApiModel("数据校验查询参数")
+public class SteadyChecksquareQueryParam implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("监测点 ID")
+    private String lineId;
+
+    @ApiModelProperty("指标编码")
+    private List<String> indicatorCodes;
+
+    @ApiModelProperty("开始时间，格式 yyyy-MM-dd HH:mm:ss")
+    private String timeStart;
+
+    @ApiModelProperty("结束时间，格式 yyyy-MM-dd HH:mm:ss")
+    private String timeEnd;
+
+    @ApiModelProperty("谐波次数，谐波指标按请求次数查询")
+    private List<Integer> harmonicOrders;
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareItemVO.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareItemVO.java
@@ -0,0 +1,62 @@
+package com.njcn.gather.steady.checksquare.pojo.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 数据校验总览项。
+ */
+@Data
+@ApiModel("数据校验总览项")
+public class SteadyChecksquareItemVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("校验项唯一键")
+    private String itemKey;
+
+    @ApiModelProperty("指标编码")
+    private String indicatorCode;
+
+    @ApiModelProperty("指标名称")
+    private String indicatorName;
+
+    @ApiModelProperty("谐波次数")
+    private Integer harmonicOrder;
+
+    @ApiModelProperty("当前校验项统计间隔，单位分钟")
+    private Integer intervalMinutes;
+
+    @ApiModelProperty("时间范围内是否存在任意数据")
+    private Boolean hasData;
+
+    @ApiModelProperty("期望点数")
+    private Integer expectedPointCount;
+
+    @ApiModelProperty("实际点数")
+    private Integer actualPointCount;
+
+    @ApiModelProperty("缺失点数")
+    private Integer missingPointCount;
+
+    @ApiModelProperty("缺失率")
+    private BigDecimal missingRate;
+
+    @ApiModelProperty("缺失率文本")
+    private String missingRateText;
+
+    @ApiModelProperty("最大连续缺失时长，单位分钟")
+    private Integer maxContinuousMissingMinutes;
+
+    @ApiModelProperty("统计类型摘要")
+    private List<SteadyChecksquareStatSummaryVO> statSummaries = new ArrayList<SteadyChecksquareStatSummaryVO>();
+
+    @ApiModelProperty("统计类型明细")
+    private List<SteadyChecksquareStatDetailVO> statDetails = new ArrayList<SteadyChecksquareStatDetailVO>();
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareQueryVO.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareQueryVO.java
@@ -0,0 +1,37 @@
+package com.njcn.gather.steady.checksquare.pojo.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 数据校验查询结果。
+ */
+@Data
+@ApiModel("数据校验查询结果")
+public class SteadyChecksquareQueryVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("监测点 ID")
+    private String lineId;
+
+    @ApiModelProperty("监测点名称")
+    private String lineName;
+
+    @ApiModelProperty("开始时间")
+    private String timeStart;
+
+    @ApiModelProperty("结束时间")
+    private String timeEnd;
+
+    @ApiModelProperty("统计间隔，单位分钟")
+    private Integer intervalMinutes;
+
+    @ApiModelProperty("校验项")
+    private List<SteadyChecksquareItemVO> items = new ArrayList<SteadyChecksquareItemVO>();
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareSegmentVO.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareSegmentVO.java
@@ -0,0 +1,32 @@
+package com.njcn.gather.steady.checksquare.pojo.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 数据校验连续性区间。
+ */
+@Data
+@ApiModel("数据校验连续性区间")
+public class SteadyChecksquareSegmentVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("开始时间")
+    private String startTime;
+
+    @ApiModelProperty("结束时间")
+    private String endTime;
+
+    @ApiModelProperty("状态，NORMAL/MISSING")
+    private String status;
+
+    @ApiModelProperty("缺失点数")
+    private Integer missingPointCount;
+
+    @ApiModelProperty("持续时长，单位分钟")
+    private Integer durationMinutes;
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareStatDetailVO.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareStatDetailVO.java
@@ -0,0 +1,28 @@
+package com.njcn.gather.steady.checksquare.pojo.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 数据校验统计类型明细。
+ */
+@Data
+@ApiModel("数据校验统计类型明细")
+public class SteadyChecksquareStatDetailVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("统计类型")
+    private String statType;
+
+    @ApiModelProperty("是否支持")
+    private Boolean supported;
+
+    @ApiModelProperty("连续性区间")
+    private List<SteadyChecksquareSegmentVO> segments = new ArrayList<SteadyChecksquareSegmentVO>();
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareStatSummaryVO.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/pojo/vo/SteadyChecksquareStatSummaryVO.java
@@ -0,0 +1,45 @@
+package com.njcn.gather.steady.checksquare.pojo.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+/**
+ * 数据校验统计类型摘要。
+ */
+@Data
+@ApiModel("数据校验统计类型摘要")
+public class SteadyChecksquareStatSummaryVO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty("统计类型")
+    private String statType;
+
+    @ApiModelProperty("是否支持")
+    private Boolean supported;
+
+    @ApiModelProperty("是否存在数据")
+    private Boolean hasData;
+
+    @ApiModelProperty("期望点数")
+    private Integer expectedPointCount;
+
+    @ApiModelProperty("实际点数")
+    private Integer actualPointCount;
+
+    @ApiModelProperty("缺失点数")
+    private Integer missingPointCount;
+
+    @ApiModelProperty("缺失率")
+    private BigDecimal missingRate;
+
+    @ApiModelProperty("缺失率文本")
+    private String missingRateText;
+
+    @ApiModelProperty("最大连续缺失时长，单位分钟")
+    private Integer maxContinuousMissingMinutes;
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/service/SteadyChecksquareService.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/service/SteadyChecksquareService.java
@@ -0,0 +1,12 @@
+package com.njcn.gather.steady.checksquare.service;
+
+import com.njcn.gather.steady.checksquare.pojo.param.SteadyChecksquareQueryParam;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareQueryVO;
+
+/**
+ * 数据校验服务。
+ */
+public interface SteadyChecksquareService {
+
+    SteadyChecksquareQueryVO query(SteadyChecksquareQueryParam param);
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/service/impl/SteadyChecksquareServiceImpl.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/checksquare/service/impl/SteadyChecksquareServiceImpl.java
@@ -0,0 +1,349 @@
+package com.njcn.gather.steady.checksquare.service.impl;
+
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.gather.steady.checksquare.component.SteadyChecksquareCalculator;
+import com.njcn.gather.steady.checksquare.component.SteadyChecksquareInfluxQueryComponent;
+import com.njcn.gather.steady.checksquare.pojo.param.SteadyChecksquareQueryParam;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareItemVO;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareQueryVO;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareSegmentVO;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareStatDetailVO;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareStatSummaryVO;
+import com.njcn.gather.steady.checksquare.service.SteadyChecksquareService;
+import com.njcn.gather.steady.datavie.component.SteadyTrendIndicatorCatalog;
+import com.njcn.gather.steady.datavie.pojo.bo.SteadyTrendIndicatorDefinitionBO;
+import com.njcn.gather.steady.datavie.pojo.bo.SteadyTrendResolvedFieldBO;
+import com.njcn.gather.steady.datavie.pojo.bo.SteadyTrendSeriesFieldBO;
+import com.njcn.gather.tool.adddata.component.AddDataTimeSlotCalculator;
+import com.njcn.gather.tool.addledger.pojo.constant.AddLedgerConst;
+import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerLinePathVO;
+import com.njcn.gather.tool.addledger.service.AddLedgerService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * 数据校验服务实现。
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class SteadyChecksquareServiceImpl implements SteadyChecksquareService {
+
+    private static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+    private static final String EMPTY_TEXT = "-";
+    private static final int FLICKER_SHORT_INTERVAL_MINUTES = 10;
+    private static final int FLICKER_LONG_INTERVAL_MINUTES = 120;
+
+    private final SteadyTrendIndicatorCatalog indicatorCatalog;
+    private final SteadyChecksquareInfluxQueryComponent influxQueryComponent;
+    private final SteadyChecksquareCalculator calculator;
+    private final AddDataTimeSlotCalculator timeSlotCalculator;
+    private final AddLedgerService addLedgerService;
+
+    @Override
+    public SteadyChecksquareQueryVO query(SteadyChecksquareQueryParam param) {
+        validateParam(param);
+        String lineId = trimToNull(param.getLineId());
+        LocalDateTime startTime = parseRequiredTime(param.getTimeStart(), "开始时间不能为空");
+        LocalDateTime endTime = parseRequiredTime(param.getTimeEnd(), "结束时间不能为空");
+        if (startTime.isAfter(endTime)) {
+            throw fail("开始时间不能大于结束时间");
+        }
+        AddLedgerLinePathVO linePath = requireLinePath(lineId);
+        int intervalMinutes = resolveIntervalMinutes(linePath);
+        SteadyChecksquareQueryVO result = new SteadyChecksquareQueryVO();
+        result.setLineId(lineId);
+        result.setLineName(trimToNull(linePath.getLineName()) == null ? EMPTY_TEXT : linePath.getLineName());
+        result.setTimeStart(param.getTimeStart());
+        result.setTimeEnd(param.getTimeEnd());
+        result.setIntervalMinutes(intervalMinutes);
+
+        long startMillis = System.currentTimeMillis();
+        List<String> indicatorCodes = normalizeTextList(param.getIndicatorCodes());
+        List<Integer> harmonicOrders = normalizeHarmonicOrders(param.getHarmonicOrders());
+        log.info("数据校验查询开始，lineId={}，indicatorCount={}，timeStart={}，timeEnd={}，intervalMinutes={}",
+                lineId, indicatorCodes.size(), startTime, endTime, intervalMinutes);
+        for (String indicatorCode : indicatorCodes) {
+            SteadyTrendIndicatorDefinitionBO indicator = requireIndicator(indicatorCode);
+            int itemIntervalMinutes = resolveIndicatorIntervalMinutes(indicator, intervalMinutes);
+            List<LocalDateTime> itemSlots = timeSlotCalculator.buildTimeSlots(startTime, endTime, itemIntervalMinutes);
+            result.getItems().addAll(buildIndicatorItems(lineId, indicator, harmonicOrders, startTime, endTime, itemSlots, itemIntervalMinutes));
+        }
+        log.info("数据校验查询结束，lineId={}，itemCount={}，costMs={}", lineId, result.getItems().size(), System.currentTimeMillis() - startMillis);
+        return result;
+    }
+
+    private List<SteadyChecksquareItemVO> buildIndicatorItems(String lineId, SteadyTrendIndicatorDefinitionBO indicator,
+                                                              List<Integer> harmonicOrders,
+                                                              LocalDateTime startTime, LocalDateTime endTime,
+                                                              List<LocalDateTime> slots, int intervalMinutes) {
+        List<SteadyChecksquareItemVO> result = new ArrayList<SteadyChecksquareItemVO>();
+        if (Boolean.TRUE.equals(indicator.getHarmonic())) {
+            for (Integer order : requireValidHarmonicOrders(indicator, harmonicOrders)) {
+                result.add(buildItem(lineId, indicator, order, startTime, endTime, slots, intervalMinutes));
+            }
+            return result;
+        }
+        result.add(buildItem(lineId, indicator, null, startTime, endTime, slots, intervalMinutes));
+        return result;
+    }
+
+    private SteadyChecksquareItemVO buildItem(String lineId, SteadyTrendIndicatorDefinitionBO indicator, Integer harmonicOrder,
+                                              LocalDateTime startTime, LocalDateTime endTime,
+                                              List<LocalDateTime> slots, int intervalMinutes) {
+        SteadyChecksquareItemVO item = new SteadyChecksquareItemVO();
+        item.setItemKey(buildItemKey(lineId, indicator, harmonicOrder));
+        item.setIndicatorCode(indicator.getIndicatorCode());
+        item.setIndicatorName(indicator.getName());
+        item.setHarmonicOrder(harmonicOrder);
+        item.setIntervalMinutes(intervalMinutes);
+
+        int totalExpected = 0;
+        int totalActual = 0;
+        int maxContinuousMissingMinutes = 0;
+        boolean hasData = false;
+        for (String statType : indicator.getSupportStats()) {
+            Set<LocalDateTime> actualSlots = queryMergedActualSlots(lineId, indicator, harmonicOrder, statType, startTime, endTime, intervalMinutes);
+            Set<LocalDateTime> effectiveActualSlots = retainExpectedSlots(slots, actualSlots);
+            List<SteadyChecksquareSegmentVO> segments = calculator.buildSegments(slots, effectiveActualSlots, intervalMinutes);
+            SteadyChecksquareStatSummaryVO summary = buildSummary(statType, slots.size(), effectiveActualSlots.size(), segments);
+            SteadyChecksquareStatDetailVO detail = buildDetail(statType, segments);
+            item.getStatSummaries().add(summary);
+            item.getStatDetails().add(detail);
+            totalExpected += summary.getExpectedPointCount();
+            totalActual += summary.getActualPointCount();
+            maxContinuousMissingMinutes = Math.max(maxContinuousMissingMinutes, summary.getMaxContinuousMissingMinutes());
+            hasData = hasData || Boolean.TRUE.equals(summary.getHasData());
+        }
+
+        item.setHasData(hasData);
+        item.setExpectedPointCount(totalExpected);
+        item.setActualPointCount(totalActual);
+        item.setMissingPointCount(Math.max(0, totalExpected - totalActual));
+        item.setMissingRate(calculateRate(item.getMissingPointCount(), totalExpected));
+        item.setMissingRateText(formatRateText(item.getMissingRate()));
+        item.setMaxContinuousMissingMinutes(maxContinuousMissingMinutes);
+        return item;
+    }
+
+    private Set<LocalDateTime> queryMergedActualSlots(String lineId, SteadyTrendIndicatorDefinitionBO indicator, Integer harmonicOrder,
+                                                      String statType, LocalDateTime startTime, LocalDateTime endTime,
+                                                      int intervalMinutes) {
+        Set<LocalDateTime> result = new HashSet<LocalDateTime>();
+        for (String phase : indicator.getPhaseCodes()) {
+            SteadyTrendResolvedFieldBO field = buildResolvedField(lineId, indicator, harmonicOrder, phase, statType);
+            result.addAll(influxQueryComponent.queryExistingSlots(field, startTime, endTime, intervalMinutes));
+        }
+        return result;
+    }
+
+    private Set<LocalDateTime> retainExpectedSlots(List<LocalDateTime> slots, Set<LocalDateTime> actualSlots) {
+        Set<LocalDateTime> result = new HashSet<LocalDateTime>();
+        if (slots == null || actualSlots == null || actualSlots.isEmpty()) {
+            return result;
+        }
+        for (LocalDateTime slot : slots) {
+            if (actualSlots.contains(slot)) {
+                result.add(slot);
+            }
+        }
+        return result;
+    }
+
+    private SteadyTrendResolvedFieldBO buildResolvedField(String lineId, SteadyTrendIndicatorDefinitionBO indicator,
+                                                          Integer harmonicOrder, String phase, String statType) {
+        SteadyTrendResolvedFieldBO field = new SteadyTrendResolvedFieldBO();
+        field.setMeasurement(indicator.getTableName());
+        field.setField(resolveField(indicator, harmonicOrder));
+        field.setLineId(lineId);
+        field.setIndicatorCode(indicator.getIndicatorCode());
+        field.setIndicatorName(indicator.getName());
+        field.setPhase(phase);
+        field.setStatType(statType);
+        field.setUnit(indicator.getUnit());
+        return field;
+    }
+
+    private String resolveField(SteadyTrendIndicatorDefinitionBO indicator, Integer harmonicOrder) {
+        if (Boolean.TRUE.equals(indicator.getHarmonic())) {
+            return indicator.getHarmonicFieldPrefix() + "_" + harmonicOrder;
+        }
+        List<SteadyTrendSeriesFieldBO> fields = indicator.getSeriesFields();
+        if (fields == null || fields.isEmpty()) {
+            throw fail("稳态指标不支持：" + indicator.getIndicatorCode());
+        }
+        return fields.get(0).getField();
+    }
+
+    private SteadyChecksquareStatSummaryVO buildSummary(String statType, int expectedCount, int actualCount,
+                                                        List<SteadyChecksquareSegmentVO> segments) {
+        SteadyChecksquareStatSummaryVO summary = new SteadyChecksquareStatSummaryVO();
+        summary.setStatType(statType);
+        summary.setSupported(true);
+        summary.setHasData(actualCount > 0);
+        summary.setExpectedPointCount(expectedCount);
+        summary.setActualPointCount(actualCount);
+        summary.setMissingPointCount(Math.max(0, expectedCount - actualCount));
+        summary.setMissingRate(calculateRate(summary.getMissingPointCount(), expectedCount));
+        summary.setMissingRateText(formatRateText(summary.getMissingRate()));
+        summary.setMaxContinuousMissingMinutes(calculator.maxContinuousMissingMinutes(segments));
+        return summary;
+    }
+
+    private SteadyChecksquareStatDetailVO buildDetail(String statType, List<SteadyChecksquareSegmentVO> segments) {
+        SteadyChecksquareStatDetailVO detail = new SteadyChecksquareStatDetailVO();
+        detail.setStatType(statType);
+        detail.setSupported(true);
+        detail.setSegments(segments);
+        return detail;
+    }
+
+    private String buildItemKey(String lineId, SteadyTrendIndicatorDefinitionBO indicator, Integer harmonicOrder) {
+        if (harmonicOrder == null) {
+            return lineId + "|" + indicator.getIndicatorCode();
+        }
+        return lineId + "|" + indicator.getIndicatorCode() + "|" + harmonicOrder;
+    }
+
+    private void validateParam(SteadyChecksquareQueryParam param) {
+        if (param == null) {
+            throw fail("数据校验参数不能为空");
+        }
+        if (trimToNull(param.getLineId()) == null) {
+            throw fail("监测点 ID 不能为空");
+        }
+        if (normalizeTextList(param.getIndicatorCodes()).isEmpty()) {
+            throw fail("指标不能为空");
+        }
+        parseRequiredTime(param.getTimeStart(), "开始时间不能为空");
+        parseRequiredTime(param.getTimeEnd(), "结束时间不能为空");
+    }
+
+    private LocalDateTime parseRequiredTime(String time, String emptyMessage) {
+        String text = trimToNull(time);
+        if (text == null) {
+            throw fail(emptyMessage);
+        }
+        try {
+            return LocalDateTime.parse(text, TIME_FORMATTER);
+        } catch (DateTimeParseException ex) {
+            throw fail("时间格式不正确，仅支持 yyyy-MM-dd HH:mm:ss");
+        }
+    }
+
+    private AddLedgerLinePathVO requireLinePath(String lineId) {
+        Map<String, AddLedgerLinePathVO> linePathMap = addLedgerService.listLinePathByLineIds(Collections.singletonList(lineId));
+        AddLedgerLinePathVO linePath = linePathMap.get(lineId);
+        if (linePath == null) {
+            throw fail("监测点不存在或不可用");
+        }
+        return linePath;
+    }
+
+    private int resolveIntervalMinutes(AddLedgerLinePathVO linePath) {
+        Integer interval = linePath.getLineInterval();
+        if (interval == null || interval <= 0) {
+            return AddLedgerConst.LINE_INTERVAL_DEFAULT;
+        }
+        return interval;
+    }
+
+    private int resolveIndicatorIntervalMinutes(SteadyTrendIndicatorDefinitionBO indicator, int lineIntervalMinutes) {
+        String indicatorCode = indicator == null ? null : indicator.getIndicatorCode();
+        if ("FLUC".equals(indicatorCode) || "PST".equals(indicatorCode)) {
+            return FLICKER_SHORT_INTERVAL_MINUTES;
+        }
+        if ("PLT".equals(indicatorCode)) {
+            return FLICKER_LONG_INTERVAL_MINUTES;
+        }
+        return lineIntervalMinutes;
+    }
+
+    private SteadyTrendIndicatorDefinitionBO requireIndicator(String indicatorCode) {
+        SteadyTrendIndicatorDefinitionBO indicator = indicatorCatalog.getIndicator(indicatorCode);
+        if (indicator == null) {
+            throw fail("稳态指标不支持：" + indicatorCode);
+        }
+        return indicator;
+    }
+
+    private BigDecimal calculateRate(int missingCount, int expectedCount) {
+        if (expectedCount <= 0) {
+            return BigDecimal.ZERO.setScale(6, RoundingMode.HALF_UP);
+        }
+        return new BigDecimal(missingCount).divide(new BigDecimal(expectedCount), 6, RoundingMode.HALF_UP);
+    }
+
+    private String formatRateText(BigDecimal rate) {
+        if (rate == null) {
+            return null;
+        }
+        return rate.multiply(new BigDecimal("100")).setScale(2, RoundingMode.HALF_UP).toPlainString() + "%";
+    }
+
+    private List<String> normalizeTextList(List<String> values) {
+        if (values == null || values.isEmpty()) {
+            return new ArrayList<String>();
+        }
+        Set<String> result = new LinkedHashSet<String>();
+        for (String value : values) {
+            String text = trimToNull(value);
+            if (text != null) {
+                result.add(text);
+            }
+        }
+        return new ArrayList<String>(result);
+    }
+
+    private List<Integer> normalizeHarmonicOrders(List<Integer> values) {
+        if (values == null || values.isEmpty()) {
+            return new ArrayList<Integer>();
+        }
+        List<Integer> result = new ArrayList<Integer>();
+        for (Integer value : values) {
+            if (value != null && !result.contains(value)) {
+                result.add(value);
+            }
+        }
+        return result;
+    }
+
+    private List<Integer> requireValidHarmonicOrders(SteadyTrendIndicatorDefinitionBO indicator, List<Integer> harmonicOrders) {
+        if (harmonicOrders == null || harmonicOrders.isEmpty()) {
+            throw fail("谐波次数不能为空");
+        }
+        for (Integer order : harmonicOrders) {
+            if (order < indicator.getHarmonicOrderStart() || order > indicator.getHarmonicOrderEnd()) {
+                throw fail("谐波次数只能在 " + indicator.getHarmonicOrderStart() + " 到 " + indicator.getHarmonicOrderEnd() + " 之间");
+            }
+        }
+        return harmonicOrders;
+    }
+
+    private String trimToNull(String value) {
+        if (value == null) {
+            return null;
+        }
+        String trimmed = value.trim();
+        return trimmed.isEmpty() ? null : trimmed;
+    }
+
+    private BusinessException fail(String message) {
+        return new BusinessException(CommonResponseEnum.FAIL, message);
+    }
+}
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/component/SteadyInfluxQueryComponent.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/component/SteadyInfluxQueryComponent.java
@@ -8,6 +8,7 @@ import com.njcn.gather.steady.datavie.config.SteadyInfluxDbProperties;
 import com.njcn.gather.steady.datavie.pojo.bo.SteadyTrendResolvedFieldBO;
 import com.njcn.gather.steady.datavie.pojo.vo.SteadyTrendPointVO;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;

 import java.io.BufferedReader;
@@ -29,6 +30,7 @@ import java.util.List;
 /**
 * 稳态趋势 InfluxDB 查询组件。
 */
+@Slf4j
@Component
@RequiredArgsConstructor
 public class SteadyInfluxQueryComponent {
@@ -43,8 +45,32 @@ public class SteadyInfluxQueryComponent {
                                                     LocalDateTime endTime, Integer qualityFlag) {
        validateConfig();
        String query = buildTrendQuery(field, startTime, endTime, qualityFlag);
-        String body = executeQuery(query);
-        return parseTrendPoints(body);
+        String diagnostic = buildTrendQueryDiagnostic(field, startTime, endTime, qualityFlag);
+        long startMillis = System.currentTimeMillis();
+        log.info("稳态趋势 InfluxDB 查询开始，{}，query={}", diagnostic, query);
+        try {
+            String body = executeQuery(query);
+            List<SteadyTrendPointVO> points = parseTrendPoints(body);
+            log.info("稳态趋势 InfluxDB 查询结束，{}，pointCount={}，costMs={}", diagnostic, points.size(), System.currentTimeMillis() - startMillis);
+            return points;
+        } catch (RuntimeException ex) {
+            log.warn("稳态趋势 InfluxDB 查询异常，{}，costMs={}，error={}", diagnostic, System.currentTimeMillis() - startMillis, ex.getMessage());
+            throw ex;
+        }
+    }
+
+    String buildTrendQueryDiagnostic(SteadyTrendResolvedFieldBO field, LocalDateTime startTime, LocalDateTime endTime,
+                                     Integer qualityFlag) {
+        StringBuilder diagnostic = new StringBuilder();
+        diagnostic.append("measurement=").append(field.getMeasurement());
+        diagnostic.append(", field=").append(field.getField());
+        diagnostic.append(", lineId=").append(field.getLineId());
+        diagnostic.append(", phase=").append(field.getPhase());
+        diagnostic.append(", statType=").append(resolveValueType(field.getStatType()));
+        diagnostic.append(", qualityFlag=").append(qualityFlag);
+        diagnostic.append(", timeStart=").append(startTime);
+        diagnostic.append(", timeEnd=").append(endTime);
+        return diagnostic.toString();
    }

    public String buildTrendQuery(SteadyTrendResolvedFieldBO field, LocalDateTime startTime, LocalDateTime endTime,
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/component/SteadyTrendFieldResolver.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/component/SteadyTrendFieldResolver.java
@@ -26,7 +26,7 @@ public class SteadyTrendFieldResolver {
    private static final int MAX_LINE_COUNT = 8;
    private static final int MAX_INDICATOR_COUNT = 8;
    private static final int MAX_SERIES_COUNT = 24;
-    private static final int MAX_HARMONIC_ORDER_COUNT = 6;
+    private static final int MAX_HARMONIC_ORDER_COUNT = 3;
    private static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

    private final SteadyTrendIndicatorCatalog indicatorCatalog;
@@ -89,7 +89,7 @@ public class SteadyTrendFieldResolver {
            throw fail("谐波次数不能为空");
        }
        if (orders.size() > MAX_HARMONIC_ORDER_COUNT) {
-            throw fail("谐波次数最多选择 6 个");
+            throw fail("谐波次数不允许一次展示超过3个");
        }
        List<SteadyTrendResolvedFieldBO> result = new ArrayList<SteadyTrendResolvedFieldBO>();
        for (Integer order : orders) {
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/pojo/param/SteadyTrendQueryParam.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/pojo/param/SteadyTrendQueryParam.java
@@ -32,6 +32,6 @@ public class SteadyTrendQueryParam {
    @ApiModelProperty("质量标识")
    private Integer qualityFlag;

-    @ApiModelProperty("谐波次数，谐波指标必填，最多 6 个")
+    @ApiModelProperty("谐波次数，谐波指标必填，默认最多展示 3 个")
    private List<Integer> harmonicOrders = new ArrayList<Integer>();
 }
--- a/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/service/impl/SteadyDataViewTrendServiceImpl.java
+++ b/steady/steady-DataView/src/main/java/com/njcn/gather/steady/datavie/service/impl/SteadyDataViewTrendServiceImpl.java
@@ -13,6 +13,7 @@ import com.njcn.gather.steady.datavie.service.SteadyDataViewTrendService;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerLinePathVO;
 import com.njcn.gather.tool.addledger.service.AddLedgerService;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;

 import java.math.BigDecimal;
@@ -28,6 +29,7 @@ import java.util.Map;
 /**
 * 稳态趋势查询服务实现。
 */
+@Slf4j
@Service
@RequiredArgsConstructor
 public class SteadyDataViewTrendServiceImpl implements SteadyDataViewTrendService {
@@ -70,11 +72,14 @@ public class SteadyDataViewTrendServiceImpl implements SteadyDataViewTrendServic
        result.setSampled(false);
        result.setLoadableDays(resolveLoadableDays(startTime, endTime));
        int displayPointCount = 0;
+        long startMillis = System.currentTimeMillis();
+        log.info("稳态趋势查询开始，seriesCount={}，timeStart={}，timeEnd={}，qualityFlag={}", fields.size(), startTime, endTime, param.getQualityFlag());
        for (SteadyTrendResolvedFieldBO field : fields) {
            List<SteadyTrendPointVO> points = influxQueryComponent.queryTrendPoints(field, startTime, endTime, param.getQualityFlag());
            displayPointCount += points.size();
            result.getSeries().add(buildSeries(field, points));
        }
+        log.info("稳态趋势查询结束，seriesCount={}，displayPointCount={}，costMs={}", fields.size(), displayPointCount, System.currentTimeMillis() - startMillis);
        /*
         * 当前 Influx 查询按曲线独立执行，未额外发 count 查询；sourcePointCount 保持与实际返回点数一致。
         * 后续如需要精确原始点数，可单独增加 count(field) 查询。
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareCalculatorTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareCalculatorTest.java
@@ -0,0 +1,38 @@
+package com.njcn.gather.steady.checksquare.component;
+
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareSegmentVO;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+
+/**
+ * 数据校验缺失区间计算测试。
+ */
+class SteadyChecksquareCalculatorTest {
+
+    @Test
+    void shouldMergeContinuousMissingSlots() {
+        SteadyChecksquareCalculator calculator = new SteadyChecksquareCalculator();
+        List<LocalDateTime> slots = Arrays.asList(
+                LocalDateTime.of(2026, 5, 1, 0, 0),
+                LocalDateTime.of(2026, 5, 1, 0, 1),
+                LocalDateTime.of(2026, 5, 1, 0, 2),
+                LocalDateTime.of(2026, 5, 1, 0, 3),
+                LocalDateTime.of(2026, 5, 1, 0, 4)
+        );
+
+        List<SteadyChecksquareSegmentVO> segments = calculator.buildSegments(slots,
+                new HashSet<LocalDateTime>(Arrays.asList(slots.get(0), slots.get(3))), 1);
+
+        Assertions.assertEquals(4, segments.size());
+        Assertions.assertEquals("MISSING", segments.get(1).getStatus());
+        Assertions.assertEquals("2026-05-01 00:01:00", segments.get(1).getStartTime());
+        Assertions.assertEquals("2026-05-01 00:02:00", segments.get(1).getEndTime());
+        Assertions.assertEquals(Integer.valueOf(2), segments.get(1).getMissingPointCount());
+        Assertions.assertEquals(Integer.valueOf(2), segments.get(1).getDurationMinutes());
+    }
+}
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareInfluxQueryComponentTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/component/SteadyChecksquareInfluxQueryComponentTest.java
@@ -0,0 +1,36 @@
+package com.njcn.gather.steady.checksquare.component;
+
+import com.njcn.gather.steady.datavie.config.SteadyInfluxDbProperties;
+import com.njcn.gather.steady.datavie.pojo.bo.SteadyTrendResolvedFieldBO;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+
+/**
+ * 数据校验 InfluxQL 构造契约测试。
+ */
+class SteadyChecksquareInfluxQueryComponentTest {
+
+    @Test
+    void shouldBuildChecksquareQueryWithoutQualityFlag() {
+        SteadyChecksquareInfluxQueryComponent component = new SteadyChecksquareInfluxQueryComponent(new SteadyInfluxDbProperties());
+        SteadyTrendResolvedFieldBO field = new SteadyTrendResolvedFieldBO();
+        field.setMeasurement("data_v");
+        field.setField("rms");
+        field.setLineId("line-001");
+        field.setPhase("A");
+        field.setStatType("AVG");
+
+        String query = component.buildChecksquareQuery(field,
+                LocalDateTime.of(2026, 5, 1, 0, 0, 0),
+                LocalDateTime.of(2026, 5, 1, 23, 59, 59));
+
+        Assertions.assertTrue(query.contains("SELECT \"rms\" AS \"value\""));
+        Assertions.assertTrue(query.contains("\"line_id\" = 'line-001'"));
+        Assertions.assertTrue(query.contains("\"phasic_type\" = 'A'"));
+        Assertions.assertTrue(query.contains("\"value_type\" = 'AVG'"));
+        Assertions.assertFalse(query.contains("quality_flag"));
+        Assertions.assertFalse(query.contains("GROUP BY time"));
+    }
+}
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/controller/SteadyChecksquareControllerTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/controller/SteadyChecksquareControllerTest.java
@@ -0,0 +1,24 @@
+package com.njcn.gather.steady.checksquare.controller;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import java.lang.reflect.Method;
+
+/**
+ * 数据校验接口契约测试。
+ */
+class SteadyChecksquareControllerTest {
+
+    @Test
+    void shouldExposeChecksquareQueryEndpointInSeparateController() throws Exception {
+        RequestMapping requestMapping = SteadyChecksquareController.class.getAnnotation(RequestMapping.class);
+        Assertions.assertArrayEquals(new String[]{"/steady/data-view/checksquare"}, requestMapping.value());
+
+        Method method = SteadyChecksquareController.class.getDeclaredMethod("query", com.njcn.gather.steady.checksquare.pojo.param.SteadyChecksquareQueryParam.class);
+        PostMapping postMapping = method.getAnnotation(PostMapping.class);
+        Assertions.assertArrayEquals(new String[]{"/query"}, postMapping.value());
+    }
+}
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/pojo/param/SteadyChecksquareQueryParamTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/pojo/param/SteadyChecksquareQueryParamTest.java
@@ -0,0 +1,32 @@
+package com.njcn.gather.steady.checksquare.pojo.param;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.Field;
+
+/**
+ * 数据校验查询参数契约测试。
+ */
+class SteadyChecksquareQueryParamTest {
+
+    @Test
+    void shouldOnlyExposeChecksquareQueryFields() {
+        Assertions.assertNotNull(field("lineId"));
+        Assertions.assertNotNull(field("indicatorCodes"));
+        Assertions.assertNotNull(field("timeStart"));
+        Assertions.assertNotNull(field("timeEnd"));
+        Assertions.assertNull(field("qualityFlag"));
+        Assertions.assertNull(field("statTypes"));
+        Assertions.assertNull(field("phases"));
+        Assertions.assertNotNull(field("harmonicOrders"));
+    }
+
+    private Field field(String name) {
+        try {
+            return SteadyChecksquareQueryParam.class.getDeclaredField(name);
+        } catch (NoSuchFieldException ex) {
+            return null;
+        }
+    }
+}
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/service/impl/SteadyChecksquareServiceImplTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/checksquare/service/impl/SteadyChecksquareServiceImplTest.java
@@ -0,0 +1,130 @@
+package com.njcn.gather.steady.checksquare.service.impl;
+
+import com.njcn.gather.steady.checksquare.component.SteadyChecksquareCalculator;
+import com.njcn.gather.steady.checksquare.component.SteadyChecksquareInfluxQueryComponent;
+import com.njcn.gather.steady.checksquare.pojo.param.SteadyChecksquareQueryParam;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareItemVO;
+import com.njcn.gather.steady.checksquare.pojo.vo.SteadyChecksquareQueryVO;
+import com.njcn.gather.steady.datavie.component.SteadyTrendIndicatorCatalog;
+import com.njcn.gather.tool.adddata.component.AddDataTimeSlotCalculator;
+import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerLinePathVO;
+import com.njcn.gather.tool.addledger.service.AddLedgerService;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+/**
+ * 数据校验服务测试。
+ */
+class SteadyChecksquareServiceImplTest {
+
+    @Test
+    void shouldUseFixedFlickerIntervalsPerIndicator() {
+        SteadyChecksquareInfluxQueryComponent influxQueryComponent = mock(SteadyChecksquareInfluxQueryComponent.class);
+        AddLedgerService addLedgerService = mock(AddLedgerService.class);
+        SteadyChecksquareServiceImpl service = new SteadyChecksquareServiceImpl(new SteadyTrendIndicatorCatalog(),
+                influxQueryComponent, new SteadyChecksquareCalculator(), new AddDataTimeSlotCalculator(), addLedgerService);
+        AddLedgerLinePathVO linePath = new AddLedgerLinePathVO();
+        linePath.setLineId("line-001");
+        linePath.setLineName("进线一");
+        linePath.setLineInterval(1);
+        when(addLedgerService.listLinePathByLineIds(eq(Collections.singletonList("line-001"))))
+                .thenReturn(Collections.singletonMap("line-001", linePath));
+        when(influxQueryComponent.queryExistingSlots(any(), any(LocalDateTime.class), any(LocalDateTime.class), eq(10)))
+                .thenReturn(new HashSet<LocalDateTime>(Arrays.asList(
+                        LocalDateTime.of(2026, 5, 1, 0, 0),
+                        LocalDateTime.of(2026, 5, 1, 0, 10))));
+        when(influxQueryComponent.queryExistingSlots(any(), any(LocalDateTime.class), any(LocalDateTime.class), eq(120)))
+                .thenReturn(new HashSet<LocalDateTime>(Collections.singletonList(
+                        LocalDateTime.of(2026, 5, 1, 0, 0))));
+
+        SteadyChecksquareQueryParam param = new SteadyChecksquareQueryParam();
+        param.setLineId("line-001");
+        param.setIndicatorCodes(Arrays.asList("FLUC", "PST", "PLT"));
+        param.setTimeStart("2026-05-01 00:00:00");
+        param.setTimeEnd("2026-05-01 02:00:00");
+
+        SteadyChecksquareQueryVO result = service.query(param);
+
+        Assertions.assertEquals(Integer.valueOf(1), result.getIntervalMinutes());
+        Assertions.assertEquals(3, result.getItems().size());
+        assertItemInterval(result.getItems().get(0), "FLUC", 10, 13);
+        assertItemInterval(result.getItems().get(1), "PST", 10, 13);
+        assertItemInterval(result.getItems().get(2), "PLT", 120, 2);
+    }
+
+    @Test
+    void shouldOnlyQueryRequestedHarmonicOrders() {
+        SteadyChecksquareInfluxQueryComponent influxQueryComponent = mock(SteadyChecksquareInfluxQueryComponent.class);
+        AddLedgerService addLedgerService = mock(AddLedgerService.class);
+        SteadyChecksquareServiceImpl service = new SteadyChecksquareServiceImpl(new SteadyTrendIndicatorCatalog(),
+                influxQueryComponent, new SteadyChecksquareCalculator(), new AddDataTimeSlotCalculator(), addLedgerService);
+        AddLedgerLinePathVO linePath = new AddLedgerLinePathVO();
+        linePath.setLineId("line-001");
+        linePath.setLineName("进线一");
+        linePath.setLineInterval(1);
+        when(addLedgerService.listLinePathByLineIds(eq(Collections.singletonList("line-001"))))
+                .thenReturn(Collections.singletonMap("line-001", linePath));
+        when(influxQueryComponent.queryExistingSlots(any(), any(LocalDateTime.class), any(LocalDateTime.class), eq(1)))
+                .thenReturn(new HashSet<LocalDateTime>(Collections.singletonList(
+                        LocalDateTime.of(2026, 5, 1, 0, 0))));
+
+        SteadyChecksquareQueryParam param = new SteadyChecksquareQueryParam();
+        param.setLineId("line-001");
+        param.setIndicatorCodes(Collections.singletonList("V_HARMONIC"));
+        param.setHarmonicOrders(Collections.singletonList(5));
+        param.setTimeStart("2026-05-01 00:00:00");
+        param.setTimeEnd("2026-05-01 00:01:00");
+
+        SteadyChecksquareQueryVO result = service.query(param);
+
+        Assertions.assertEquals(1, result.getItems().size());
+        Assertions.assertEquals(Integer.valueOf(5), result.getItems().get(0).getHarmonicOrder());
+    }
+
+    @Test
+    void shouldKeepRequestedHarmonicOrdersDistinctAndOrdered() {
+        SteadyChecksquareInfluxQueryComponent influxQueryComponent = mock(SteadyChecksquareInfluxQueryComponent.class);
+        AddLedgerService addLedgerService = mock(AddLedgerService.class);
+        SteadyChecksquareServiceImpl service = new SteadyChecksquareServiceImpl(new SteadyTrendIndicatorCatalog(),
+                influxQueryComponent, new SteadyChecksquareCalculator(), new AddDataTimeSlotCalculator(), addLedgerService);
+        AddLedgerLinePathVO linePath = new AddLedgerLinePathVO();
+        linePath.setLineId("line-001");
+        linePath.setLineName("进线一");
+        linePath.setLineInterval(1);
+        when(addLedgerService.listLinePathByLineIds(eq(Collections.singletonList("line-001"))))
+                .thenReturn(Collections.singletonMap("line-001", linePath));
+        when(influxQueryComponent.queryExistingSlots(any(), any(LocalDateTime.class), any(LocalDateTime.class), eq(1)))
+                .thenReturn(new HashSet<LocalDateTime>());
+
+        SteadyChecksquareQueryParam param = new SteadyChecksquareQueryParam();
+        param.setLineId("line-001");
+        param.setIndicatorCodes(Collections.singletonList("V_HARMONIC"));
+        param.setHarmonicOrders(Arrays.asList(7, 5, 7));
+        param.setTimeStart("2026-05-01 00:00:00");
+        param.setTimeEnd("2026-05-01 00:01:00");
+
+        SteadyChecksquareQueryVO result = service.query(param);
+
+        List<SteadyChecksquareItemVO> items = result.getItems();
+        Assertions.assertEquals(2, items.size());
+        Assertions.assertEquals(Integer.valueOf(7), items.get(0).getHarmonicOrder());
+        Assertions.assertEquals(Integer.valueOf(5), items.get(1).getHarmonicOrder());
+    }
+
+    private void assertItemInterval(SteadyChecksquareItemVO item, String indicatorCode, int intervalMinutes, int expectedPointCount) {
+        Assertions.assertEquals(indicatorCode, item.getIndicatorCode());
+        Assertions.assertEquals(Integer.valueOf(intervalMinutes), item.getIntervalMinutes());
+        Assertions.assertEquals(Integer.valueOf(expectedPointCount), item.getExpectedPointCount());
+    }
+}
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/datavie/component/SteadyInfluxQueryComponentTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/datavie/component/SteadyInfluxQueryComponentTest.java
@@ -73,6 +73,31 @@ class SteadyInfluxQueryComponentTest {
        Assertions.assertTrue(query.contains("\"value_type\" = 'AVG'"));
    }

+    @Test
+    void shouldBuildDiagnosticTextForTrendQuery() {
+        SteadyInfluxQueryComponent component = new SteadyInfluxQueryComponent(new SteadyInfluxDbProperties());
+        SteadyTrendResolvedFieldBO field = new SteadyTrendResolvedFieldBO();
+        field.setMeasurement("data_harmpower_p");
+        field.setField("p_3");
+        field.setLineId("f828bc42132841c2aeebc6859f5a9b7c");
+        field.setPhase("A");
+        field.setStatType("AVG");
+
+        String diagnostic = component.buildTrendQueryDiagnostic(field,
+                LocalDateTime.of(2026, 5, 1, 0, 0, 0),
+                LocalDateTime.of(2026, 5, 31, 23, 59, 59),
+                0);
+
+        Assertions.assertTrue(diagnostic.contains("measurement=data_harmpower_p"));
+        Assertions.assertTrue(diagnostic.contains("field=p_3"));
+        Assertions.assertTrue(diagnostic.contains("lineId=f828bc42132841c2aeebc6859f5a9b7c"));
+        Assertions.assertTrue(diagnostic.contains("phase=A"));
+        Assertions.assertTrue(diagnostic.contains("statType=AVG"));
+        Assertions.assertTrue(diagnostic.contains("qualityFlag=0"));
+        Assertions.assertTrue(diagnostic.contains("timeStart=2026-05-01T00:00"));
+        Assertions.assertTrue(diagnostic.contains("timeEnd=2026-05-31T23:59:59"));
+    }
+
    @Test
    void shouldSkipValueTypeWhenMeasurementHasNoValueTypeTag() {
        SteadyInfluxQueryComponent component = new SteadyInfluxQueryComponent(new SteadyInfluxDbProperties());
--- a/steady/steady-DataView/src/test/java/com/njcn/gather/steady/datavie/component/SteadyTrendFieldResolverTest.java
+++ b/steady/steady-DataView/src/test/java/com/njcn/gather/steady/datavie/component/SteadyTrendFieldResolverTest.java
@@ -109,6 +109,21 @@ class SteadyTrendFieldResolverTest {
        Assertions.assertTrue(exception.getMessage().contains("谐波次数不能为空"));
    }

+    @Test
+    void shouldRejectHarmonicTrendWithMoreThanThreeOrders() {
+        SteadyTrendQueryParam param = new SteadyTrendQueryParam();
+        param.setLineIds(Arrays.asList("line-001"));
+        param.setIndicatorCodes(Arrays.asList("V_HARMONIC"));
+        param.setStatTypes(Arrays.asList("AVG"));
+        param.setHarmonicOrders(Arrays.asList(3, 5, 7, 11));
+        param.setTimeStart("2026-05-01 00:00:00");
+        param.setTimeEnd("2026-05-01 01:00:00");
+
+        BusinessException exception = Assertions.assertThrows(BusinessException.class, () -> resolver.resolveFields(param));
+
+        Assertions.assertTrue(exception.getMessage().contains("谐波次数不允许一次展示超过3个"));
+    }
+
    @Test
    void shouldResolveSelectedHarmonicOrdersForAllCatalogPhases() {
        SteadyTrendQueryParam param = new SteadyTrendQueryParam();
--- a/system-ops/dbms/README.md
+++ b/system-ops/dbms/README.md
@@ -2,13 +2,88 @@

 ## 模块定位

-`dbms` 是 `system-ops` 下的数据库监控模块，当前先提供数据库监控菜单对应的后端基础入口。
+`dbms` 是 `system-ops` 下的数据库运维模块，当前面向 Oracle 数据库提供连接配置、连接测试、表列表查询、备份、恢复、任务状态查询和删除接口。

 ## 当前接口

 - `GET /database/overview`
-  - 查询数据库监控基础信息。
+  - 查询数据库运维概览信息。
+- `POST /database/connections/list`
+  - 查询数据库连接配置。
+- `POST /database/connections/add`
+  - 新增 Oracle 数据库连接配置。
+- `POST /database/connections/update`
+  - 修改 Oracle 数据库连接配置。
+- `POST /database/connections/delete`
+  - 删除数据库连接配置。
+- `POST /database/connections/test`
+  - 测试 Oracle 数据库连接。
+- `POST /database/connections/tables`
+  - 查询 Oracle 表列表。
+- `POST /database/backups/create`
+  - 创建备份任务，默认使用 `DATA_PUMP`，可选 `JDBC_EXPORT`。
+- `POST /database/backups/tasks/list`
+  - 查询备份任务列表。
+- `GET /database/backups/tasks/status`
+  - 查询任务状态。
+- `POST /database/backups/files/list`
+  - 查询备份文件记录。
+- `POST /database/restores/create`
+  - 创建恢复任务。
+- `GET /database/restores/tasks/status`
+  - 查询恢复任务状态。
+- `POST /database/delete/backup-file`
+  - 删除备份文件，要求 `confirmText=确认删除`。
+- `POST /database/delete/task`
+  - 删除任务记录，要求 `confirmText=确认删除`。
+
+## 数据脚本
+
+- `src/main/resources/sql/system-ops/system-ops-init.sql`
+  - 系统运维菜单初始化脚本。
+- `src/main/resources/sql/system-ops/dbms-database-ops-init.sql`
+  - 数据库运维连接、任务、备份文件和恢复记录表结构。
+
+## 配置项
+
+建议通过环境配置覆盖：
+
+```yaml
+dbms:
+  backup:
+    storage-path: D:/dbms-backup
+    default-max-file-size-mb: 512
+  tools:
+    expdp-path:
+    impdp-path:
+```
+
+说明：
+
+- `backup.storage-path`
+  - `JDBC_EXPORT` 生成的 CSV 和元数据 JSON 的受管根目录。
+- `tools.expdp-path`、`tools.impdp-path`
+  - Oracle Data Pump 工具路径；为空时尝试走系统 `PATH`。
+
+## 当前行为
+
+- 一期仅支持 `ORACLE`。
+- 连接密码支持两种运行方式：
+  - 前端每次传 `temporaryPassword`。
+  - 连接已保存密文，且公共 `Sm4Utils` 提供 `decryptData_ECB` 时由后端自动解密复用。
+- 新增连接前的测试接口允许只传 `temporaryPassword`，不强制把密码写进 `connection.password`。
+- 备份任务异步执行，只有实际文件生成成功后才会写入 `dbms_backup_file` 记录。
+- `JDBC_EXPORT` 当前会生成两类文件：
+  - 主数据文件：`*.csv`
+  - 元数据文件：`*_metadata_yyyyMMdd_<taskNo>.json`
+- `JDBC_EXPORT` 恢复依赖元数据文件，不再允许缺少元数据直接发起恢复。
+- 删除备份文件时，会校验目标路径必须位于受管备份目录下，避免误删非备份文件。

 ## 当前限制

- 当前只完成后端基础入口，不包含真实数据库连接状态、容量或性能指标探测逻辑。
+- `DATA_PUMP` 仍依赖部署机器可执行 `expdp`、`impdp`，并且 Oracle 侧已准备好 `directory` 对象和权限。
+- 当前代码要求 `DATA_PUMP` 连接配置里补齐可管理的 `directoryPath`，否则虽然 Oracle 端可能已导出成功，后端无法安全管理文件记录与删除。
+- `JDBC_EXPORT` 恢复当前仅覆盖表数据，不承诺恢复索引、约束、触发器、序列、存储过程、权限等 Oracle 对象。
+- `TIME_RANGE` 模式当前只在 `JDBC_EXPORT` 场景真正参与查询过滤；`DATA_PUMP` 尚未接入 Oracle `QUERY` 参数。
+- `SIZE_SPLIT` 参数目前已做入参校验，但尚未实现真正的导出分片。
+- 本轮仅完成代码路径和文档收口，未执行 `mvn` 编译、测试或真实库联调。
--- a/system-ops/dbms/pom.xml
+++ b/system-ops/dbms/pom.xml
@@ -26,5 +26,14 @@
            <artifactId>spingboot2.3.12</artifactId>
            <version>2.3.12</version>
        </dependency>
+        <dependency>
+            <groupId>com.njcn</groupId>
+            <artifactId>mybatis-plus</artifactId>
+            <version>0.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-tx</artifactId>
+        </dependency>
    </dependencies>
 </project>
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/component/DataPumpCommandExecutor.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/component/DataPumpCommandExecutor.java
@@ -0,0 +1,111 @@
+package com.njcn.gather.systemops.database.component;
+
+import cn.hutool.core.util.StrUtil;
+import com.njcn.gather.systemops.database.config.DbmsProperties;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseConnection;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Component;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Oracle Data Pump 命令执行组件。
+ */
+@Component
+@RequiredArgsConstructor
+public class DataPumpCommandExecutor {
+
+    private final DbmsProperties dbmsProperties;
+
+    public CommandResult expdp(DatabaseConnection connection, String password, String directoryName,
+                               String dumpFileName, String logFileName, List<String> tableNames) {
+        List<String> command = new ArrayList<>();
+        command.add(resolveTool(dbmsProperties.getTools().getExpdpPath(), "expdp"));
+        fillCommonArgs(command, connection, password, directoryName, dumpFileName, logFileName);
+        if (tableNames != null && !tableNames.isEmpty()) {
+            command.add("tables=" + connection.getSchemaName() + "." + String.join("," + connection.getSchemaName() + ".", tableNames));
+        }
+        return execute(command);
+    }
+
+    public CommandResult impdp(DatabaseConnection connection, String password, String directoryName,
+                               String dumpFileName, String logFileName, String tableExistsAction) {
+        List<String> command = new ArrayList<>();
+        command.add(resolveTool(dbmsProperties.getTools().getImpdpPath(), "impdp"));
+        fillCommonArgs(command, connection, password, directoryName, dumpFileName, logFileName);
+        if (StrUtil.isNotBlank(tableExistsAction)) {
+            command.add("table_exists_action=" + tableExistsAction);
+        }
+        return execute(command);
+    }
+
+    private void fillCommonArgs(List<String> command, DatabaseConnection connection, String password,
+                                String directoryName, String dumpFileName, String logFileName) {
+        command.add(connection.getUsername() + "/" + password + "@" + buildConnectIdentifier(connection));
+        command.add("directory=" + directoryName);
+        command.add("dumpfile=" + dumpFileName);
+        command.add("logfile=" + logFileName);
+    }
+
+    private String buildConnectIdentifier(DatabaseConnection connection) {
+        if (StrUtil.isNotBlank(connection.getServiceName())) {
+            return "//" + connection.getHost() + ":" + connection.getPort() + "/" + connection.getServiceName();
+        }
+        return connection.getHost() + ":" + connection.getPort() + ":" + connection.getSid();
+    }
+
+    private String resolveTool(String configuredPath, String defaultName) {
+        return StrUtil.blankToDefault(configuredPath, defaultName);
+    }
+
+    private CommandResult execute(List<String> command) {
+        CommandResult result = new CommandResult();
+        result.setCommand(maskPassword(command));
+        try {
+            Process process = new ProcessBuilder(command).redirectErrorStream(true).start();
+            StringBuilder output = new StringBuilder();
+            try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream(), Charset.defaultCharset()))) {
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    output.append(line).append(System.lineSeparator());
+                }
+            }
+            int exitCode = process.waitFor();
+            result.setExitCode(exitCode);
+            result.setOutput(output.toString());
+            result.setSuccess(exitCode == 0);
+        } catch (Exception exception) {
+            result.setExitCode(-1);
+            result.setOutput(exception.getMessage());
+            result.setSuccess(false);
+        }
+        return result;
+    }
+
+    private String maskPassword(List<String> command) {
+        if (command.size() < 2) {
+            return String.join(" ", command);
+        }
+        List<String> masked = new ArrayList<>(command);
+        String credential = masked.get(1);
+        int slashIndex = credential.indexOf('/');
+        int atIndex = credential.indexOf('@');
+        if (slashIndex > 0 && atIndex > slashIndex) {
+            masked.set(1, credential.substring(0, slashIndex + 1) + "******" + credential.substring(atIndex));
+        }
+        return String.join(" ", masked);
+    }
+
+    @Data
+    public static class CommandResult {
+        private Boolean success;
+        private Integer exitCode;
+        private String command;
+        private String output;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/component/DatabasePasswordComponent.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/component/DatabasePasswordComponent.java
@@ -0,0 +1,44 @@
+package com.njcn.gather.systemops.database.component;
+
+import cn.hutool.core.util.StrUtil;
+import com.njcn.common.utils.sm.Sm4Utils;
+import org.springframework.stereotype.Component;
+
+import java.lang.reflect.Method;
+
+/**
+ * 数据库连接密码处理组件。
+ */
+@Component
+public class DatabasePasswordComponent {
+
+    public String encrypt(String plainText) {
+        if (StrUtil.isBlank(plainText)) {
+            return null;
+        }
+        return new Sm4Utils(Sm4Utils.globalSecretKey).encryptData_ECB(plainText);
+    }
+
+    /**
+     * 优先使用本次请求传入的临时密码；如果公共 SM4 工具存在解密能力，则复用已保存密文。
+     */
+    public String resolveRuntimePassword(String passwordCipher, String temporaryPassword) {
+        if (StrUtil.isNotBlank(temporaryPassword)) {
+            return temporaryPassword;
+        }
+        if (StrUtil.isBlank(passwordCipher)) {
+            return null;
+        }
+        try {
+            Sm4Utils sm4Utils = new Sm4Utils(Sm4Utils.globalSecretKey);
+            Method decryptMethod = Sm4Utils.class.getMethod("decryptData_ECB", String.class);
+            Object plainText = decryptMethod.invoke(sm4Utils, passwordCipher);
+            if (plainText instanceof String && StrUtil.isNotBlank((String) plainText)) {
+                return (String) plainText;
+            }
+        } catch (Exception ignored) {
+            // 兼容公共工具不同版本，未找到解密方法时继续走统一失败提示。
+        }
+        throw new IllegalArgumentException("当前环境未确认密码解密方法，请传入临时密码执行本次操作");
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/config/DbmsExecutorConfig.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/config/DbmsExecutorConfig.java
@@ -0,0 +1,37 @@
+package com.njcn.gather.systemops.database.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * 数据库运维后台任务线程池。
+ */
+@Slf4j
+@Configuration
+public class DbmsExecutorConfig {
+
+    @Bean(name = "dbmsTaskExecutorService", destroyMethod = "shutdown")
+    public ExecutorService dbmsTaskExecutorService() {
+        AtomicInteger threadIndex = new AtomicInteger(1);
+        return new ThreadPoolExecutor(
+                1,
+                1,
+                30,
+                TimeUnit.SECONDS,
+                new LinkedBlockingQueue<Runnable>(8),
+                runnable -> {
+                    Thread thread = new Thread(runnable);
+                    thread.setName("dbms-task-" + threadIndex.getAndIncrement());
+                    return thread;
+                },
+                (runnable, executor) -> log.warn("数据库运维任务线程池已满，拒绝新的任务")
+        );
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/config/DbmsProperties.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/config/DbmsProperties.java
@@ -0,0 +1,29 @@
+package com.njcn.gather.systemops.database.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+/**
+ * 数据库运维配置。
+ */
+@Data
+@Component
+@ConfigurationProperties(prefix = "dbms")
+public class DbmsProperties {
+
+    private Backup backup = new Backup();
+    private Tools tools = new Tools();
+
+    @Data
+    public static class Backup {
+        private String storagePath = "D:/dbms-backup";
+        private Integer defaultMaxFileSizeMb = 512;
+    }
+
+    @Data
+    public static class Tools {
+        private String expdpPath;
+        private String impdpPath;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/constant/DatabaseOpsConst.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/constant/DatabaseOpsConst.java
@@ -0,0 +1,20 @@
+package com.njcn.gather.systemops.database.constant;
+
+/**
+ * 数据库运维常量。
+ */
+public final class DatabaseOpsConst {
+
+    public static final String DB_TYPE_ORACLE = "ORACLE";
+    public static final String CONNECT_TYPE_SERVICE_NAME = "SERVICE_NAME";
+    public static final String CONNECT_TYPE_SID = "SID";
+    public static final String CONFIRM_DELETE = "确认删除";
+    public static final String CONFIRM_OVERWRITE = "确认覆盖";
+    public static final int STATE_DELETED = 0;
+    public static final int STATE_ENABLED = 1;
+    public static final int SAVE_PASSWORD_YES = 1;
+    public static final int SAVE_PASSWORD_NO = 0;
+
+    private DatabaseOpsConst() {
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseBackupController.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseBackupController.java
@@ -0,0 +1,71 @@
+package com.njcn.gather.systemops.database.controller;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.njcn.common.pojo.annotation.OperateInfo;
+import com.njcn.common.pojo.constant.OperateType;
+import com.njcn.common.pojo.enums.common.LogEnum;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.response.HttpResult;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseBackupParam;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseBackupFileVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskCreateVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskVO;
+import com.njcn.gather.systemops.database.service.DatabaseBackupFileService;
+import com.njcn.gather.systemops.database.service.DatabaseOperationTaskService;
+import com.njcn.web.controller.BaseController;
+import com.njcn.web.utils.HttpResultUtil;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 数据库备份接口。
+ */
+@Api(tags = "数据库备份")
+@RestController
+@RequestMapping("/database/backups")
+@RequiredArgsConstructor
+public class DatabaseBackupController extends BaseController {
+
+    private final DatabaseOperationTaskService databaseOperationTaskService;
+    private final DatabaseBackupFileService databaseBackupFileService;
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.ADD)
+    @ApiOperation("创建备份任务")
+    @PostMapping("/create")
+    public HttpResult<DatabaseTaskCreateVO> create(@RequestBody @Validated DatabaseBackupParam.CreateParam param) {
+        String methodDescribe = getMethodDescribe("create");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseOperationTaskService.createBackupTask(param), methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询备份任务")
+    @PostMapping("/tasks/list")
+    public HttpResult<Page<DatabaseTaskVO>> listTasks(@RequestBody @Validated DatabaseBackupParam.TaskQueryParam param) {
+        String methodDescribe = getMethodDescribe("listTasks");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseOperationTaskService.listBackupTasks(param), methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询任务状态")
+    @GetMapping("/tasks/status")
+    public HttpResult<DatabaseTaskVO> status(@RequestParam("taskId") String taskId) {
+        String methodDescribe = getMethodDescribe("status");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseOperationTaskService.getStatus(taskId), methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询备份文件")
+    @PostMapping("/files/list")
+    public HttpResult<Page<DatabaseBackupFileVO>> listFiles(@RequestBody @Validated DatabaseBackupParam.FileQueryParam param) {
+        String methodDescribe = getMethodDescribe("listFiles");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseBackupFileService.listFiles(param), methodDescribe);
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseConnectionController.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseConnectionController.java
@@ -0,0 +1,88 @@
+package com.njcn.gather.systemops.database.controller;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.njcn.common.pojo.annotation.OperateInfo;
+import com.njcn.common.pojo.constant.OperateType;
+import com.njcn.common.pojo.enums.common.LogEnum;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.response.HttpResult;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseConnectionParam;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseConnectionVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTableVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTestResultVO;
+import com.njcn.gather.systemops.database.service.DatabaseConnectionService;
+import com.njcn.web.controller.BaseController;
+import com.njcn.web.utils.HttpResultUtil;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * 数据库连接配置接口。
+ */
+@Api(tags = "数据库连接配置")
+@RestController
+@RequestMapping("/database/connections")
+@RequiredArgsConstructor
+public class DatabaseConnectionController extends BaseController {
+
+    private final DatabaseConnectionService databaseConnectionService;
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询数据库连接配置")
+    @PostMapping("/list")
+    public HttpResult<Page<DatabaseConnectionVO>> list(@RequestBody @Validated DatabaseConnectionParam.QueryParam param) {
+        String methodDescribe = getMethodDescribe("list");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseConnectionService.listConnections(param), methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.ADD)
+    @ApiOperation("新增数据库连接配置")
+    @PostMapping("/add")
+    public HttpResult<Boolean> add(@RequestBody @Validated DatabaseConnectionParam param) {
+        String methodDescribe = getMethodDescribe("add");
+        boolean result = databaseConnectionService.addConnection(param);
+        return HttpResultUtil.assembleCommonResponseResult(result ? CommonResponseEnum.SUCCESS : CommonResponseEnum.FAIL, result, methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.UPDATE)
+    @ApiOperation("修改数据库连接配置")
+    @PostMapping("/update")
+    public HttpResult<Boolean> update(@RequestBody @Validated DatabaseConnectionParam.UpdateParam param) {
+        String methodDescribe = getMethodDescribe("update");
+        boolean result = databaseConnectionService.updateConnection(param);
+        return HttpResultUtil.assembleCommonResponseResult(result ? CommonResponseEnum.SUCCESS : CommonResponseEnum.FAIL, result, methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.DELETE)
+    @ApiOperation("删除数据库连接配置")
+    @PostMapping("/delete")
+    public HttpResult<Boolean> delete(@RequestBody @Validated DatabaseConnectionParam.DeleteParam param) {
+        String methodDescribe = getMethodDescribe("delete");
+        boolean result = databaseConnectionService.deleteConnection(param);
+        return HttpResultUtil.assembleCommonResponseResult(result ? CommonResponseEnum.SUCCESS : CommonResponseEnum.FAIL, result, methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("测试数据库连接")
+    @PostMapping("/test")
+    public HttpResult<DatabaseTestResultVO> test(@RequestBody @Validated DatabaseConnectionParam.TestParam param) {
+        String methodDescribe = getMethodDescribe("test");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseConnectionService.testConnection(param), methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询 Oracle 表列表")
+    @PostMapping("/tables")
+    public HttpResult<List<DatabaseTableVO>> tables(@RequestBody @Validated DatabaseConnectionParam.TablesParam param) {
+        String methodDescribe = getMethodDescribe("tables");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseConnectionService.listTables(param), methodDescribe);
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseDeleteController.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseDeleteController.java
@@ -0,0 +1,51 @@
+package com.njcn.gather.systemops.database.controller;
+
+import com.njcn.common.pojo.annotation.OperateInfo;
+import com.njcn.common.pojo.constant.OperateType;
+import com.njcn.common.pojo.enums.common.LogEnum;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.response.HttpResult;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseDeleteParam;
+import com.njcn.gather.systemops.database.service.DatabaseBackupFileService;
+import com.njcn.gather.systemops.database.service.DatabaseOperationTaskService;
+import com.njcn.web.controller.BaseController;
+import com.njcn.web.utils.HttpResultUtil;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 数据库运维删除接口。
+ */
+@Api(tags = "数据库运维删除")
+@RestController
+@RequestMapping("/database/delete")
+@RequiredArgsConstructor
+public class DatabaseDeleteController extends BaseController {
+
+    private final DatabaseBackupFileService databaseBackupFileService;
+    private final DatabaseOperationTaskService databaseOperationTaskService;
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.DELETE)
+    @ApiOperation("删除备份文件")
+    @PostMapping("/backup-file")
+    public HttpResult<Boolean> deleteBackupFile(@RequestBody @Validated DatabaseDeleteParam.BackupFileParam param) {
+        String methodDescribe = getMethodDescribe("deleteBackupFile");
+        boolean result = databaseBackupFileService.deleteBackupFile(param.getBackupFileId(), param.getConfirmText());
+        return HttpResultUtil.assembleCommonResponseResult(result ? CommonResponseEnum.SUCCESS : CommonResponseEnum.FAIL, result, methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.DELETE)
+    @ApiOperation("删除任务记录")
+    @PostMapping("/task")
+    public HttpResult<Boolean> deleteTask(@RequestBody @Validated DatabaseDeleteParam.TaskParam param) {
+        String methodDescribe = getMethodDescribe("deleteTask");
+        boolean result = databaseOperationTaskService.deleteTask(param.getTaskId(), param.getConfirmText());
+        return HttpResultUtil.assembleCommonResponseResult(result ? CommonResponseEnum.SUCCESS : CommonResponseEnum.FAIL, result, methodDescribe);
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseRestoreController.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/controller/DatabaseRestoreController.java
@@ -0,0 +1,53 @@
+package com.njcn.gather.systemops.database.controller;
+
+import com.njcn.common.pojo.annotation.OperateInfo;
+import com.njcn.common.pojo.constant.OperateType;
+import com.njcn.common.pojo.enums.common.LogEnum;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.response.HttpResult;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseRestoreParam;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskCreateVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskVO;
+import com.njcn.gather.systemops.database.service.DatabaseOperationTaskService;
+import com.njcn.gather.systemops.database.service.DatabaseRestoreService;
+import com.njcn.web.controller.BaseController;
+import com.njcn.web.utils.HttpResultUtil;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 数据库恢复接口。
+ */
+@Api(tags = "数据库恢复")
+@RestController
+@RequestMapping("/database/restores")
+@RequiredArgsConstructor
+public class DatabaseRestoreController extends BaseController {
+
+    private final DatabaseRestoreService databaseRestoreService;
+    private final DatabaseOperationTaskService databaseOperationTaskService;
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.ADD)
+    @ApiOperation("创建恢复任务")
+    @PostMapping("/create")
+    public HttpResult<DatabaseTaskCreateVO> create(@RequestBody @Validated DatabaseRestoreParam.CreateParam param) {
+        String methodDescribe = getMethodDescribe("create");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseRestoreService.createRestoreTask(param), methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询恢复任务状态")
+    @GetMapping("/tasks/status")
+    public HttpResult<DatabaseTaskVO> status(@RequestParam("taskId") String taskId) {
+        String methodDescribe = getMethodDescribe("status");
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, databaseOperationTaskService.getStatus(taskId), methodDescribe);
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseBackupFileMapper.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseBackupFileMapper.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.systemops.database.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseBackupFile;
+
+/**
+ * 数据库备份文件 Mapper。
+ */
+public interface DatabaseBackupFileMapper extends BaseMapper<DatabaseBackupFile> {
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseConnectionMapper.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseConnectionMapper.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.systemops.database.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseConnection;
+
+/**
+ * 数据库连接配置 Mapper。
+ */
+public interface DatabaseConnectionMapper extends BaseMapper<DatabaseConnection> {
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseOperationTaskMapper.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseOperationTaskMapper.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.systemops.database.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseOperationTask;
+
+/**
+ * 数据库运维任务 Mapper。
+ */
+public interface DatabaseOperationTaskMapper extends BaseMapper<DatabaseOperationTask> {
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseRestoreRecordMapper.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/mapper/DatabaseRestoreRecordMapper.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.systemops.database.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseRestoreRecord;
+
+/**
+ * 数据库恢复记录 Mapper。
+ */
+public interface DatabaseRestoreRecordMapper extends BaseMapper<DatabaseRestoreRecord> {
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/BackupModeEnum.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/BackupModeEnum.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.systemops.database.pojo.enums;
+
+/**
+ * 备份模式。
+ */
+public enum BackupModeEnum {
+    FULL_TABLE,
+    TIME_RANGE,
+    SIZE_SPLIT
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/BackupStrategyEnum.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/BackupStrategyEnum.java
@@ -0,0 +1,9 @@
+package com.njcn.gather.systemops.database.pojo.enums;
+
+/**
+ * 备份策略。
+ */
+public enum BackupStrategyEnum {
+    DATA_PUMP,
+    JDBC_EXPORT
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/FileFormatEnum.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/FileFormatEnum.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.systemops.database.pojo.enums;
+
+/**
+ * 备份文件格式。
+ */
+public enum FileFormatEnum {
+    DMP,
+    SQL,
+    CSV
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/TaskStatusEnum.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/enums/TaskStatusEnum.java
@@ -0,0 +1,12 @@
+package com.njcn.gather.systemops.database.pojo.enums;
+
+/**
+ * 运维任务状态。
+ */
+public enum TaskStatusEnum {
+    WAITING,
+    RUNNING,
+    SUCCESS,
+    FAIL,
+    CANCELLED
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseBackupParam.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseBackupParam.java
@@ -0,0 +1,67 @@
+package com.njcn.gather.systemops.database.pojo.param;
+
+import com.njcn.web.pojo.param.BaseParam;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import javax.validation.constraints.NotBlank;
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * 数据库备份参数。
+ */
+public class DatabaseBackupParam {
+
+    @Data
+    @ApiModel("创建备份任务参数")
+    public static class CreateParam {
+        @ApiModelProperty("连接 ID")
+        @NotBlank(message = "连接 ID 不能为空")
+        private String connectionId;
+        @ApiModelProperty("备份策略：DATA_PUMP、JDBC_EXPORT，默认 DATA_PUMP")
+        private String backupStrategy;
+        @ApiModelProperty("Schema")
+        private String schemaName;
+        @ApiModelProperty("表名列表")
+        private List<String> targetNames;
+        @ApiModelProperty("备份模式：FULL_TABLE、TIME_RANGE、SIZE_SPLIT")
+        private String backupMode;
+        @ApiModelProperty("时间字段")
+        private String timeColumn;
+        @ApiModelProperty("开始时间")
+        private LocalDateTime startTime;
+        @ApiModelProperty("结束时间")
+        private LocalDateTime endTime;
+        @ApiModelProperty("最大文件大小 MB")
+        private Integer maxFileSizeMb;
+        @ApiModelProperty("Oracle Directory 名称")
+        private String directoryName;
+        @ApiModelProperty("临时密码，不保存密码时传入")
+        private String temporaryPassword;
+    }
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    @ApiModel("备份任务查询参数")
+    public static class TaskQueryParam extends BaseParam {
+        @ApiModelProperty("连接 ID")
+        private String connectionId;
+        @ApiModelProperty("任务状态")
+        private String taskStatus;
+    }
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    @ApiModel("备份文件查询参数")
+    public static class FileQueryParam extends BaseParam {
+        @ApiModelProperty("连接 ID")
+        private String connectionId;
+        @ApiModelProperty("任务 ID")
+        private String taskId;
+        @ApiModelProperty("备份策略")
+        private String backupStrategy;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseConnectionParam.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseConnectionParam.java
@@ -0,0 +1,119 @@
+package com.njcn.gather.systemops.database.pojo.param;
+
+import com.njcn.web.pojo.param.BaseParam;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+
+/**
+ * 数据库连接配置参数。
+ */
+@Data
+@ApiModel("数据库连接配置参数")
+public class DatabaseConnectionParam {
+
+    @ApiModelProperty("连接名称")
+    @NotBlank(message = "连接名称不能为空")
+    private String connectionName;
+
+    @ApiModelProperty("数据库类型，一期固定 ORACLE")
+    private String dbType;
+
+    @ApiModelProperty("数据库主机地址")
+    @NotBlank(message = "数据库主机地址不能为空")
+    private String host;
+
+    @ApiModelProperty("数据库端口")
+    @NotNull(message = "数据库端口不能为空")
+    private Integer port;
+
+    @ApiModelProperty("连接类型：SERVICE_NAME、SID")
+    private String connectType;
+
+    @ApiModelProperty("服务名")
+    private String serviceName;
+
+    @ApiModelProperty("SID")
+    private String sid;
+
+    @ApiModelProperty("Schema")
+    private String schemaName;
+
+    @ApiModelProperty("用户名")
+    @NotBlank(message = "用户名不能为空")
+    private String username;
+
+    @ApiModelProperty("密码")
+    private String password;
+
+    @ApiModelProperty("是否保存密码：0-否，1-是")
+    private Integer savePassword;
+
+    @ApiModelProperty("Oracle Directory 名称")
+    private String directoryName;
+
+    @ApiModelProperty("Oracle Directory 物理路径")
+    private String directoryPath;
+
+    @ApiModelProperty("扩展配置 JSON")
+    private String extraConfigJson;
+
+    @ApiModelProperty("备注")
+    private String remark;
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    @ApiModel("数据库连接更新参数")
+    public static class UpdateParam extends DatabaseConnectionParam {
+        @ApiModelProperty("连接 ID")
+        @NotBlank(message = "连接 ID 不能为空")
+        private String id;
+    }
+
+    @Data
+    @EqualsAndHashCode(callSuper = true)
+    @ApiModel("数据库连接查询参数")
+    public static class QueryParam extends BaseParam {
+        @ApiModelProperty("连接名称")
+        private String connectionName;
+        @ApiModelProperty("数据库类型")
+        private String dbType;
+        @ApiModelProperty("Schema")
+        private String schemaName;
+    }
+
+    @Data
+    @ApiModel("数据库连接删除参数")
+    public static class DeleteParam {
+        @ApiModelProperty("连接 ID")
+        @NotBlank(message = "连接 ID 不能为空")
+        private String id;
+    }
+
+    @Data
+    @ApiModel("数据库连接测试参数")
+    public static class TestParam {
+        @ApiModelProperty("连接 ID，已有连接测试时传入")
+        private String connectionId;
+        @ApiModelProperty("临时连接参数，新增前测试时传入")
+        private DatabaseConnectionParam connection;
+        @ApiModelProperty("临时密码，测试时允许只传该字段而不写入 connection.password")
+        private String temporaryPassword;
+    }
+
+    @Data
+    @ApiModel("数据库表查询参数")
+    public static class TablesParam {
+        @ApiModelProperty("连接 ID")
+        @NotBlank(message = "连接 ID 不能为空")
+        private String connectionId;
+        @ApiModelProperty("临时密码，不保存密码时传入")
+        private String temporaryPassword;
+        @ApiModelProperty("Schema，不传则使用连接默认 Schema")
+        private String schemaName;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseDeleteParam.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseDeleteParam.java
@@ -0,0 +1,33 @@
+package com.njcn.gather.systemops.database.pojo.param;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * 数据库运维删除参数。
+ */
+public class DatabaseDeleteParam {
+
+    @Data
+    @ApiModel("删除备份文件参数")
+    public static class BackupFileParam {
+        @ApiModelProperty("备份文件 ID")
+        @NotBlank(message = "备份文件 ID 不能为空")
+        private String backupFileId;
+        @ApiModelProperty("确认文案")
+        private String confirmText;
+    }
+
+    @Data
+    @ApiModel("删除任务参数")
+    public static class TaskParam {
+        @ApiModelProperty("任务 ID")
+        @NotBlank(message = "任务 ID 不能为空")
+        private String taskId;
+        @ApiModelProperty("确认文案")
+        private String confirmText;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseRestoreParam.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/param/DatabaseRestoreParam.java
@@ -0,0 +1,32 @@
+package com.njcn.gather.systemops.database.pojo.param;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * 数据库恢复参数。
+ */
+public class DatabaseRestoreParam {
+
+    @Data
+    @ApiModel("创建恢复任务参数")
+    public static class CreateParam {
+        @ApiModelProperty("目标连接 ID")
+        @NotBlank(message = "连接 ID 不能为空")
+        private String connectionId;
+        @ApiModelProperty("备份文件 ID")
+        @NotBlank(message = "备份文件 ID 不能为空")
+        private String backupFileId;
+        @ApiModelProperty("恢复模式：SKIP、APPEND、TRUNCATE、REPLACE")
+        private String restoreMode;
+        @ApiModelProperty("目标 Schema")
+        private String targetSchemaName;
+        @ApiModelProperty("临时密码，不保存密码时传入")
+        private String temporaryPassword;
+        @ApiModelProperty("覆盖确认文案")
+        private String overwriteConfirmText;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseBackupFile.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseBackupFile.java
@@ -0,0 +1,71 @@
+package com.njcn.gather.systemops.database.pojo.po;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * 数据库备份文件记录。
+ */
+@Data
+@TableName("dbms_backup_file")
+public class DatabaseBackupFile implements Serializable {
+    private static final long serialVersionUID = 3119981982091873277L;
+
+    @TableId("id")
+    private String id;
+    @TableField("task_id")
+    private String taskId;
+    @TableField("connection_id")
+    private String connectionId;
+    @TableField("db_type")
+    private String dbType;
+    @TableField("backup_strategy")
+    private String backupStrategy;
+    @TableField("file_format")
+    private String fileFormat;
+    @TableField("schema_name")
+    private String schemaName;
+    @TableField("target_names_json")
+    private String targetNamesJson;
+    @TableField("backup_mode")
+    private String backupMode;
+    @TableField("backup_start_time")
+    private LocalDateTime backupStartTime;
+    @TableField("backup_end_time")
+    private LocalDateTime backupEndTime;
+    @TableField("time_column")
+    private String timeColumn;
+    @TableField("directory_name")
+    private String directoryName;
+    @TableField("dump_file_name")
+    private String dumpFileName;
+    @TableField("log_file_name")
+    private String logFileName;
+    @TableField("file_name")
+    private String fileName;
+    @TableField("file_path")
+    private String filePath;
+    @TableField("log_file_path")
+    private String logFilePath;
+    @TableField("metadata_file_path")
+    private String metadataFilePath;
+    @TableField("file_size")
+    private Long fileSize;
+    @TableField("checksum")
+    private String checksum;
+    @TableField("state")
+    private Integer state;
+    @TableField("create_by")
+    private String createBy;
+    @TableField("create_time")
+    private LocalDateTime createTime;
+    @TableField("update_by")
+    private String updateBy;
+    @TableField("update_time")
+    private LocalDateTime updateTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseConnection.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseConnection.java
@@ -0,0 +1,69 @@
+package com.njcn.gather.systemops.database.pojo.po;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * 数据库连接配置。
+ */
+@Data
+@TableName("dbms_connection")
+public class DatabaseConnection implements Serializable {
+    private static final long serialVersionUID = -5821519248914313778L;
+
+    @TableId("id")
+    private String id;
+    @TableField("connection_name")
+    private String connectionName;
+    @TableField("db_type")
+    private String dbType;
+    @TableField("host")
+    private String host;
+    @TableField("port")
+    private Integer port;
+    @TableField("connect_type")
+    private String connectType;
+    @TableField("service_name")
+    private String serviceName;
+    @TableField("sid")
+    private String sid;
+    @TableField("database_name")
+    private String databaseName;
+    @TableField("schema_name")
+    private String schemaName;
+    @TableField("username")
+    private String username;
+    @TableField("password_cipher")
+    private String passwordCipher;
+    @TableField("save_password")
+    private Integer savePassword;
+    @TableField("directory_name")
+    private String directoryName;
+    @TableField("directory_path")
+    private String directoryPath;
+    @TableField("extra_config_json")
+    private String extraConfigJson;
+    @TableField("remark")
+    private String remark;
+    @TableField("last_test_status")
+    private String lastTestStatus;
+    @TableField("last_test_message")
+    private String lastTestMessage;
+    @TableField("last_test_time")
+    private LocalDateTime lastTestTime;
+    @TableField("state")
+    private Integer state;
+    @TableField("create_by")
+    private String createBy;
+    @TableField("create_time")
+    private LocalDateTime createTime;
+    @TableField("update_by")
+    private String updateBy;
+    @TableField("update_time")
+    private LocalDateTime updateTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseOperationTask.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseOperationTask.java
@@ -0,0 +1,58 @@
+package com.njcn.gather.systemops.database.pojo.po;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * 数据库运维任务。
+ */
+@Data
+@TableName("dbms_operation_task")
+public class DatabaseOperationTask implements Serializable {
+    private static final long serialVersionUID = 1831235987236858769L;
+
+    @TableId("id")
+    private String id;
+    @TableField("task_no")
+    private String taskNo;
+    @TableField("connection_id")
+    private String connectionId;
+    @TableField("db_type")
+    private String dbType;
+    @TableField("operation_type")
+    private String operationType;
+    @TableField("backup_strategy")
+    private String backupStrategy;
+    @TableField("task_status")
+    private String taskStatus;
+    @TableField("schema_name")
+    private String schemaName;
+    @TableField("target_names_json")
+    private String targetNamesJson;
+    @TableField("request_param_json")
+    private String requestParamJson;
+    @TableField("result_message")
+    private String resultMessage;
+    @TableField("progress_percent")
+    private BigDecimal progressPercent;
+    @TableField("started_at")
+    private LocalDateTime startedAt;
+    @TableField("finished_at")
+    private LocalDateTime finishedAt;
+    @TableField("state")
+    private Integer state;
+    @TableField("create_by")
+    private String createBy;
+    @TableField("create_time")
+    private LocalDateTime createTime;
+    @TableField("update_by")
+    private String updateBy;
+    @TableField("update_time")
+    private LocalDateTime updateTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseRestoreRecord.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/po/DatabaseRestoreRecord.java
@@ -0,0 +1,51 @@
+package com.njcn.gather.systemops.database.pojo.po;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+/**
+ * 数据库恢复记录。
+ */
+@Data
+@TableName("dbms_restore_record")
+public class DatabaseRestoreRecord implements Serializable {
+    private static final long serialVersionUID = -5638979151924581277L;
+
+    @TableId("id")
+    private String id;
+    @TableField("task_id")
+    private String taskId;
+    @TableField("backup_file_id")
+    private String backupFileId;
+    @TableField("connection_id")
+    private String connectionId;
+    @TableField("db_type")
+    private String dbType;
+    @TableField("restore_mode")
+    private String restoreMode;
+    @TableField("target_schema_name")
+    private String targetSchemaName;
+    @TableField("target_names_json")
+    private String targetNamesJson;
+    @TableField("table_exists_action")
+    private String tableExistsAction;
+    @TableField("overwrite_confirmed")
+    private Integer overwriteConfirmed;
+    @TableField("result_message")
+    private String resultMessage;
+    @TableField("state")
+    private Integer state;
+    @TableField("create_by")
+    private String createBy;
+    @TableField("create_time")
+    private LocalDateTime createTime;
+    @TableField("update_by")
+    private String updateBy;
+    @TableField("update_time")
+    private LocalDateTime updateTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseBackupFileVO.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseBackupFileVO.java
@@ -0,0 +1,29 @@
+package com.njcn.gather.systemops.database.pojo.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 数据库备份文件响应。
+ */
+@Data
+public class DatabaseBackupFileVO {
+    private String id;
+    private String taskId;
+    private String connectionId;
+    private String dbType;
+    private String backupStrategy;
+    private String fileFormat;
+    private String schemaName;
+    private String targetNamesJson;
+    private String backupMode;
+    private String fileName;
+    private String filePath;
+    private String logFileName;
+    private String logFilePath;
+    private Long fileSize;
+    private String checksum;
+    private Integer state;
+    private LocalDateTime createTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseConnectionVO.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseConnectionVO.java
@@ -0,0 +1,33 @@
+package com.njcn.gather.systemops.database.pojo.vo;
+
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 数据库连接配置响应。
+ */
+@Data
+public class DatabaseConnectionVO {
+    private String id;
+    private String connectionName;
+    private String dbType;
+    private String host;
+    private Integer port;
+    private String connectType;
+    private String serviceName;
+    private String sid;
+    private String schemaName;
+    private String username;
+    private Integer savePassword;
+    private String directoryName;
+    private String directoryPath;
+    private String extraConfigJson;
+    private String remark;
+    private String lastTestStatus;
+    private String lastTestMessage;
+    private LocalDateTime lastTestTime;
+    private Integer state;
+    private LocalDateTime createTime;
+    private LocalDateTime updateTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTableVO.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTableVO.java
@@ -0,0 +1,13 @@
+package com.njcn.gather.systemops.database.pojo.vo;
+
+import lombok.Data;
+
+/**
+ * 数据库表信息。
+ */
+@Data
+public class DatabaseTableVO {
+    private String owner;
+    private String tableName;
+    private String comments;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTaskCreateVO.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTaskCreateVO.java
@@ -0,0 +1,13 @@
+package com.njcn.gather.systemops.database.pojo.vo;
+
+import lombok.Data;
+
+/**
+ * 运维任务创建结果。
+ */
+@Data
+public class DatabaseTaskCreateVO {
+    private String taskId;
+    private String taskNo;
+    private String taskStatus;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTaskVO.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTaskVO.java
@@ -0,0 +1,28 @@
+package com.njcn.gather.systemops.database.pojo.vo;
+
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+
+/**
+ * 数据库运维任务响应。
+ */
+@Data
+public class DatabaseTaskVO {
+    private String id;
+    private String taskNo;
+    private String connectionId;
+    private String dbType;
+    private String operationType;
+    private String backupStrategy;
+    private String taskStatus;
+    private String schemaName;
+    private String targetNamesJson;
+    private String resultMessage;
+    private BigDecimal progressPercent;
+    private LocalDateTime startedAt;
+    private LocalDateTime finishedAt;
+    private LocalDateTime createTime;
+    private LocalDateTime updateTime;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTestResultVO.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/pojo/vo/DatabaseTestResultVO.java
@@ -0,0 +1,12 @@
+package com.njcn.gather.systemops.database.pojo.vo;
+
+import lombok.Data;
+
+/**
+ * 数据库连接测试结果。
+ */
+@Data
+public class DatabaseTestResultVO {
+    private Boolean success;
+    private String message;
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseBackupFileService.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseBackupFileService.java
@@ -0,0 +1,23 @@
+package com.njcn.gather.systemops.database.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseBackupParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseBackupFile;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseBackupFileVO;
+
+import java.nio.file.Path;
+
+/**
+ * 数据库备份文件服务。
+ */
+public interface DatabaseBackupFileService extends IService<DatabaseBackupFile> {
+
+    Page<DatabaseBackupFileVO> listFiles(DatabaseBackupParam.FileQueryParam param);
+
+    boolean deleteBackupFile(String backupFileId, String confirmText);
+
+    void validateBackupFileReadable(DatabaseBackupFile backupFile);
+
+    Path resolveManagedPath(DatabaseBackupFile backupFile, String filePath);
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseConnectionService.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseConnectionService.java
@@ -0,0 +1,33 @@
+package com.njcn.gather.systemops.database.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseConnectionParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseConnection;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseConnectionVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTableVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTestResultVO;
+
+import java.util.List;
+
+/**
+ * 数据库连接配置服务。
+ */
+public interface DatabaseConnectionService extends IService<DatabaseConnection> {
+
+    Page<DatabaseConnectionVO> listConnections(DatabaseConnectionParam.QueryParam queryParam);
+
+    boolean addConnection(DatabaseConnectionParam param);
+
+    boolean updateConnection(DatabaseConnectionParam.UpdateParam param);
+
+    boolean deleteConnection(DatabaseConnectionParam.DeleteParam param);
+
+    DatabaseTestResultVO testConnection(DatabaseConnectionParam.TestParam param);
+
+    List<DatabaseTableVO> listTables(DatabaseConnectionParam.TablesParam param);
+
+    DatabaseConnection requireEnabled(String connectionId);
+
+    String resolvePassword(DatabaseConnection connection, String temporaryPassword);
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseOperationTaskService.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseOperationTaskService.java
@@ -0,0 +1,24 @@
+package com.njcn.gather.systemops.database.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseBackupParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseOperationTask;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskCreateVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskVO;
+
+/**
+ * 数据库运维任务服务。
+ */
+public interface DatabaseOperationTaskService extends IService<DatabaseOperationTask> {
+
+    DatabaseTaskCreateVO createBackupTask(DatabaseBackupParam.CreateParam param);
+
+    Page<DatabaseTaskVO> listBackupTasks(DatabaseBackupParam.TaskQueryParam param);
+
+    DatabaseTaskVO getStatus(String taskId);
+
+    boolean deleteTask(String taskId, String confirmText);
+
+    boolean existsRunningTask(String connectionId);
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseRestoreService.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/DatabaseRestoreService.java
@@ -0,0 +1,14 @@
+package com.njcn.gather.systemops.database.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseRestoreParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseRestoreRecord;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskCreateVO;
+
+/**
+ * 数据库恢复服务。
+ */
+public interface DatabaseRestoreService extends IService<DatabaseRestoreRecord> {
+
+    DatabaseTaskCreateVO createRestoreTask(DatabaseRestoreParam.CreateParam param);
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseBackupFileServiceImpl.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseBackupFileServiceImpl.java
@@ -0,0 +1,144 @@
+package com.njcn.gather.systemops.database.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.gather.systemops.database.config.DbmsProperties;
+import com.njcn.gather.systemops.database.constant.DatabaseOpsConst;
+import com.njcn.gather.systemops.database.mapper.DatabaseBackupFileMapper;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseBackupParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseBackupFile;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseBackupFileVO;
+import com.njcn.gather.systemops.database.service.DatabaseBackupFileService;
+import com.njcn.gather.systemops.database.util.DatabaseChecksumUtil;
+import com.njcn.gather.systemops.database.util.DatabasePathUtil;
+import com.njcn.web.factory.PageFactory;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.util.stream.Collectors;
+
+/**
+ * 数据库备份文件服务实现。
+ */
+@Service
+@RequiredArgsConstructor
+public class DatabaseBackupFileServiceImpl extends ServiceImpl<DatabaseBackupFileMapper, DatabaseBackupFile> implements DatabaseBackupFileService {
+
+    private final DbmsProperties dbmsProperties;
+
+    @Override
+    public Page<DatabaseBackupFileVO> listFiles(DatabaseBackupParam.FileQueryParam param) {
+        DatabaseBackupParam.FileQueryParam query = param == null ? new DatabaseBackupParam.FileQueryParam() : param;
+        LambdaQueryWrapper<DatabaseBackupFile> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(DatabaseBackupFile::getState, DatabaseOpsConst.STATE_ENABLED)
+                .eq(StrUtil.isNotBlank(query.getConnectionId()), DatabaseBackupFile::getConnectionId, query.getConnectionId())
+                .eq(StrUtil.isNotBlank(query.getTaskId()), DatabaseBackupFile::getTaskId, query.getTaskId())
+                .eq(StrUtil.isNotBlank(query.getBackupStrategy()), DatabaseBackupFile::getBackupStrategy, query.getBackupStrategy())
+                .orderByDesc(DatabaseBackupFile::getCreateTime);
+        Page<DatabaseBackupFile> page = this.page(new Page<>(PageFactory.getPageNum(query), PageFactory.getPageSize(query)), wrapper);
+        Page<DatabaseBackupFileVO> result = new Page<>(page.getCurrent(), page.getSize(), page.getTotal());
+        result.setRecords(page.getRecords().stream().map(this::toVO).collect(Collectors.toList()));
+        return result;
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean deleteBackupFile(String backupFileId, String confirmText) {
+        if (!DatabaseOpsConst.CONFIRM_DELETE.equals(confirmText)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "确认文案不正确");
+        }
+        DatabaseBackupFile file = this.lambdaQuery()
+                .eq(DatabaseBackupFile::getId, backupFileId)
+                .eq(DatabaseBackupFile::getState, DatabaseOpsConst.STATE_ENABLED)
+                .one();
+        if (file == null) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份文件不存在或已删除");
+        }
+        deletePhysicalFile(file, file.getFilePath());
+        deletePhysicalFile(file, file.getLogFilePath());
+        deletePhysicalFile(file, file.getMetadataFilePath());
+        file.setState(DatabaseOpsConst.STATE_DELETED);
+        file.setUpdateTime(LocalDateTime.now());
+        return this.updateById(file);
+    }
+
+    @Override
+    public void validateBackupFileReadable(DatabaseBackupFile backupFile) {
+        validateReadablePath(backupFile, backupFile.getFilePath(), "备份文件", false);
+        validateReadablePath(backupFile, backupFile.getMetadataFilePath(), "备份元数据文件",
+                StrUtil.isBlank(backupFile.getMetadataFilePath()));
+        if (StrUtil.isBlank(backupFile.getChecksum())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份文件缺少校验值");
+        }
+        Path filePath = resolveManagedPath(backupFile, backupFile.getFilePath());
+        String actualChecksum = DatabaseChecksumUtil.sha256(filePath);
+        if (!backupFile.getChecksum().equalsIgnoreCase(actualChecksum)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份文件校验失败");
+        }
+    }
+
+    @Override
+    public Path resolveManagedPath(DatabaseBackupFile backupFile, String filePath) {
+        if (StrUtil.isBlank(filePath)) {
+            return null;
+        }
+        Path path = DatabasePathUtil.normalize(filePath);
+        if (path == null) {
+            return null;
+        }
+        Path storageRoot = DatabasePathUtil.normalize(dbmsProperties.getBackup().getStoragePath());
+        if (DatabasePathUtil.isUnder(path, storageRoot)) {
+            return path;
+        }
+        Path primaryFilePath = DatabasePathUtil.normalize(backupFile.getFilePath());
+        if (primaryFilePath != null && primaryFilePath.getParent() != null
+                && DatabasePathUtil.isUnder(path, primaryFilePath.getParent())) {
+            return path;
+        }
+        throw new BusinessException(CommonResponseEnum.FAIL, "文件路径不在允许的备份目录内");
+    }
+
+    private void deletePhysicalFile(DatabaseBackupFile backupFile, String filePath) {
+        if (StrUtil.isBlank(filePath)) {
+            return;
+        }
+        try {
+            Path path = resolveManagedPath(backupFile, filePath);
+            if (path != null && Files.exists(path) && !Files.isDirectory(path)) {
+                Files.delete(path);
+            }
+        } catch (BusinessException exception) {
+            throw exception;
+        } catch (Exception exception) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "删除物理文件失败：" + exception.getMessage());
+        }
+    }
+
+    private void validateReadablePath(DatabaseBackupFile backupFile, String filePath, String fileType, boolean allowBlank) {
+        if (StrUtil.isBlank(filePath)) {
+            if (allowBlank) {
+                return;
+            }
+            throw new BusinessException(CommonResponseEnum.FAIL, fileType + "路径不能为空");
+        }
+        Path path = resolveManagedPath(backupFile, filePath);
+        if (path == null || !Files.exists(path) || Files.isDirectory(path)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, fileType + "不存在");
+        }
+    }
+
+    private DatabaseBackupFileVO toVO(DatabaseBackupFile file) {
+        DatabaseBackupFileVO vo = new DatabaseBackupFileVO();
+        BeanUtil.copyProperties(file, vo);
+        return vo;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseConnectionServiceImpl.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseConnectionServiceImpl.java
@@ -0,0 +1,212 @@
+package com.njcn.gather.systemops.database.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.gather.systemops.database.component.DatabasePasswordComponent;
+import com.njcn.gather.systemops.database.component.OracleJdbcComponent;
+import com.njcn.gather.systemops.database.constant.DatabaseOpsConst;
+import com.njcn.gather.systemops.database.mapper.DatabaseConnectionMapper;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseConnectionParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseConnection;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseConnectionVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTableVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTestResultVO;
+import com.njcn.gather.systemops.database.service.DatabaseConnectionService;
+import com.njcn.gather.systemops.database.service.DatabaseOperationTaskService;
+import com.njcn.gather.systemops.database.util.DatabaseOpsIdUtil;
+import com.njcn.web.factory.PageFactory;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.Locale;
+import java.util.stream.Collectors;
+
+/**
+ * 数据库连接配置服务实现。
+ */
+@Service
+@RequiredArgsConstructor
+public class DatabaseConnectionServiceImpl extends ServiceImpl<DatabaseConnectionMapper, DatabaseConnection> implements DatabaseConnectionService {
+
+    private final DatabasePasswordComponent databasePasswordComponent;
+    private final OracleJdbcComponent oracleJdbcComponent;
+    private final ObjectProvider<DatabaseOperationTaskService> databaseOperationTaskServiceProvider;
+
+    @Override
+    public Page<DatabaseConnectionVO> listConnections(DatabaseConnectionParam.QueryParam queryParam) {
+        DatabaseConnectionParam.QueryParam query = queryParam == null ? new DatabaseConnectionParam.QueryParam() : queryParam;
+        LambdaQueryWrapper<DatabaseConnection> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(DatabaseConnection::getState, DatabaseOpsConst.STATE_ENABLED)
+                .like(StrUtil.isNotBlank(query.getConnectionName()), DatabaseConnection::getConnectionName, query.getConnectionName())
+                .eq(StrUtil.isNotBlank(query.getDbType()), DatabaseConnection::getDbType, query.getDbType())
+                .like(StrUtil.isNotBlank(query.getSchemaName()), DatabaseConnection::getSchemaName, query.getSchemaName())
+                .orderByDesc(DatabaseConnection::getUpdateTime);
+        Page<DatabaseConnection> page = this.page(new Page<>(PageFactory.getPageNum(query), PageFactory.getPageSize(query)), wrapper);
+        Page<DatabaseConnectionVO> result = new Page<>(page.getCurrent(), page.getSize(), page.getTotal());
+        result.setRecords(page.getRecords().stream().map(this::toVO).collect(Collectors.toList()));
+        return result;
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean addConnection(DatabaseConnectionParam param) {
+        DatabaseConnection connection = new DatabaseConnection();
+        fillConnection(connection, param, true);
+        connection.setId(DatabaseOpsIdUtil.uuid());
+        connection.setState(DatabaseOpsConst.STATE_ENABLED);
+        connection.setCreateTime(LocalDateTime.now());
+        connection.setUpdateTime(LocalDateTime.now());
+        return this.save(connection);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean updateConnection(DatabaseConnectionParam.UpdateParam param) {
+        DatabaseConnection connection = requireEnabled(param.getId());
+        fillConnection(connection, param, false);
+        connection.setUpdateTime(LocalDateTime.now());
+        return this.updateById(connection);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean deleteConnection(DatabaseConnectionParam.DeleteParam param) {
+        requireEnabled(param.getId());
+        if (databaseOperationTaskServiceProvider.getObject().existsRunningTask(param.getId())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "存在运行中的任务，不能删除连接");
+        }
+        return this.lambdaUpdate()
+                .set(DatabaseConnection::getState, DatabaseOpsConst.STATE_DELETED)
+                .set(DatabaseConnection::getUpdateTime, LocalDateTime.now())
+                .eq(DatabaseConnection::getId, param.getId())
+                .update();
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public DatabaseTestResultVO testConnection(DatabaseConnectionParam.TestParam param) {
+        DatabaseConnection connection = resolveTestConnection(param);
+        DatabaseTestResultVO result = oracleJdbcComponent.test(connection, resolvePassword(connection, param.getTemporaryPassword()));
+        if (StrUtil.isNotBlank(connection.getId())) {
+            connection.setLastTestStatus(Boolean.TRUE.equals(result.getSuccess()) ? "SUCCESS" : "FAIL");
+            connection.setLastTestMessage(result.getMessage());
+            connection.setLastTestTime(LocalDateTime.now());
+            this.updateById(connection);
+        }
+        return result;
+    }
+
+    @Override
+    public List<DatabaseTableVO> listTables(DatabaseConnectionParam.TablesParam param) {
+        DatabaseConnection connection = requireEnabled(param.getConnectionId());
+        try {
+            return oracleJdbcComponent.listTables(connection, resolvePassword(connection, param.getTemporaryPassword()), param.getSchemaName());
+        } catch (Exception exception) {
+            throw new BusinessException(CommonResponseEnum.FAIL, exception.getMessage());
+        }
+    }
+
+    @Override
+    public DatabaseConnection requireEnabled(String connectionId) {
+        if (StrUtil.isBlank(connectionId)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "连接 ID 不能为空");
+        }
+        DatabaseConnection connection = this.lambdaQuery()
+                .eq(DatabaseConnection::getId, connectionId)
+                .eq(DatabaseConnection::getState, DatabaseOpsConst.STATE_ENABLED)
+                .one();
+        if (connection == null) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "数据库连接不存在或已删除");
+        }
+        return connection;
+    }
+
+    @Override
+    public String resolvePassword(DatabaseConnection connection, String temporaryPassword) {
+        try {
+            return databasePasswordComponent.resolveRuntimePassword(connection.getPasswordCipher(), temporaryPassword);
+        } catch (IllegalArgumentException exception) {
+            throw new BusinessException(CommonResponseEnum.FAIL, exception.getMessage());
+        }
+    }
+
+    private DatabaseConnection resolveTestConnection(DatabaseConnectionParam.TestParam param) {
+        if (StrUtil.isNotBlank(param.getConnectionId())) {
+            return requireEnabled(param.getConnectionId());
+        }
+        if (param.getConnection() == null) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "连接测试参数不能为空");
+        }
+        DatabaseConnection connection = new DatabaseConnection();
+        fillConnection(connection, param.getConnection(), true, StrUtil.isNotBlank(param.getTemporaryPassword()));
+        return connection;
+    }
+
+    private void fillConnection(DatabaseConnection connection, DatabaseConnectionParam param, boolean create) {
+        fillConnection(connection, param, create, false);
+    }
+
+    private void fillConnection(DatabaseConnection connection, DatabaseConnectionParam param, boolean create,
+                                boolean allowTemporaryPasswordOnly) {
+        validateConnectionParam(param);
+        connection.setConnectionName(param.getConnectionName().trim());
+        connection.setDbType(DatabaseOpsConst.DB_TYPE_ORACLE);
+        connection.setHost(param.getHost().trim());
+        connection.setPort(param.getPort());
+        connection.setConnectType(resolveConnectType(param.getConnectType()));
+        connection.setServiceName(trimToNull(param.getServiceName()));
+        connection.setSid(trimToNull(param.getSid()));
+        connection.setSchemaName(trimToNull(param.getSchemaName()));
+        connection.setUsername(param.getUsername().trim());
+        connection.setSavePassword(param.getSavePassword() == null ? DatabaseOpsConst.SAVE_PASSWORD_YES : param.getSavePassword());
+        if (connection.getSavePassword() != DatabaseOpsConst.SAVE_PASSWORD_YES
+                && connection.getSavePassword() != DatabaseOpsConst.SAVE_PASSWORD_NO) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "savePassword 只能是 0 或 1");
+        }
+        if (DatabaseOpsConst.SAVE_PASSWORD_YES == connection.getSavePassword() && StrUtil.isNotBlank(param.getPassword())) {
+            connection.setPasswordCipher(databasePasswordComponent.encrypt(param.getPassword()));
+        }
+        if (DatabaseOpsConst.SAVE_PASSWORD_NO == connection.getSavePassword()) {
+            connection.setPasswordCipher(null);
+        } else if (create && StrUtil.isBlank(param.getPassword()) && !allowTemporaryPasswordOnly) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "保存密码时密码不能为空");
+        }
+        connection.setDirectoryName(trimToNull(param.getDirectoryName()));
+        connection.setDirectoryPath(trimToNull(param.getDirectoryPath()));
+        connection.setExtraConfigJson(trimToNull(param.getExtraConfigJson()));
+        connection.setRemark(param.getRemark());
+    }
+
+    private void validateConnectionParam(DatabaseConnectionParam param) {
+        String connectType = resolveConnectType(param.getConnectType());
+        if (DatabaseOpsConst.CONNECT_TYPE_SERVICE_NAME.equals(connectType) && StrUtil.isBlank(param.getServiceName())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "SERVICE_NAME 连接方式下服务名不能为空");
+        }
+        if (DatabaseOpsConst.CONNECT_TYPE_SID.equals(connectType) && StrUtil.isBlank(param.getSid())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "SID 连接方式下 SID 不能为空");
+        }
+    }
+
+    private String resolveConnectType(String connectType) {
+        return StrUtil.blankToDefault(connectType, DatabaseOpsConst.CONNECT_TYPE_SERVICE_NAME).trim().toUpperCase(Locale.ROOT);
+    }
+
+    private String trimToNull(String value) {
+        return StrUtil.isBlank(value) ? null : value.trim();
+    }
+
+    private DatabaseConnectionVO toVO(DatabaseConnection connection) {
+        DatabaseConnectionVO vo = new DatabaseConnectionVO();
+        BeanUtil.copyProperties(connection, vo);
+        return vo;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseOperationTaskServiceImpl.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseOperationTaskServiceImpl.java
@@ -0,0 +1,353 @@
+package com.njcn.gather.systemops.database.service.impl;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.gather.systemops.database.component.DataPumpCommandExecutor;
+import com.njcn.gather.systemops.database.component.JdbcExportComponent;
+import com.njcn.gather.systemops.database.config.DbmsProperties;
+import com.njcn.gather.systemops.database.constant.DatabaseOpsConst;
+import com.njcn.gather.systemops.database.mapper.DatabaseOperationTaskMapper;
+import com.njcn.gather.systemops.database.pojo.enums.BackupModeEnum;
+import com.njcn.gather.systemops.database.pojo.enums.BackupStrategyEnum;
+import com.njcn.gather.systemops.database.pojo.enums.FileFormatEnum;
+import com.njcn.gather.systemops.database.pojo.enums.OperationTypeEnum;
+import com.njcn.gather.systemops.database.pojo.enums.TaskStatusEnum;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseBackupParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseBackupFile;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseConnection;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseOperationTask;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskCreateVO;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskVO;
+import com.njcn.gather.systemops.database.service.DatabaseBackupFileService;
+import com.njcn.gather.systemops.database.service.DatabaseConnectionService;
+import com.njcn.gather.systemops.database.service.DatabaseOperationTaskService;
+import com.njcn.gather.systemops.database.util.DatabaseChecksumUtil;
+import com.njcn.gather.systemops.database.util.DatabaseFileNameUtil;
+import com.njcn.gather.systemops.database.util.DatabaseOpsIdUtil;
+import com.njcn.gather.systemops.database.util.DatabasePathUtil;
+import com.njcn.web.factory.PageFactory;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.math.BigDecimal;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.util.Arrays;
+import java.util.Locale;
+import java.util.concurrent.ExecutorService;
+import java.util.stream.Collectors;
+
+/**
+ * 数据库运维任务服务实现。
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class DatabaseOperationTaskServiceImpl extends ServiceImpl<DatabaseOperationTaskMapper, DatabaseOperationTask> implements DatabaseOperationTaskService {
+
+    private final DatabaseConnectionService databaseConnectionService;
+    private final DatabaseBackupFileService databaseBackupFileService;
+    private final DataPumpCommandExecutor dataPumpCommandExecutor;
+    private final JdbcExportComponent jdbcExportComponent;
+    private final DbmsProperties dbmsProperties;
+    private final ObjectMapper objectMapper;
+    @Resource(name = "dbmsTaskExecutorService")
+    private ExecutorService dbmsTaskExecutorService;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public DatabaseTaskCreateVO createBackupTask(DatabaseBackupParam.CreateParam param) {
+        DatabaseConnection connection = databaseConnectionService.requireEnabled(param.getConnectionId());
+        validateBackupParam(param, connection);
+        if (existsRunningTask(connection.getId())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "当前连接存在运行中的任务");
+        }
+        DatabaseOperationTask task = buildBackupTask(param, connection);
+        this.save(task);
+        dbmsTaskExecutorService.submit(() -> executeBackupTask(task.getId(), param));
+        return toCreateVO(task);
+    }
+
+    @Override
+    public Page<DatabaseTaskVO> listBackupTasks(DatabaseBackupParam.TaskQueryParam param) {
+        DatabaseBackupParam.TaskQueryParam query = param == null ? new DatabaseBackupParam.TaskQueryParam() : param;
+        LambdaQueryWrapper<DatabaseOperationTask> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(DatabaseOperationTask::getState, DatabaseOpsConst.STATE_ENABLED)
+                .eq(DatabaseOperationTask::getOperationType, OperationTypeEnum.BACKUP.name())
+                .eq(StrUtil.isNotBlank(query.getConnectionId()), DatabaseOperationTask::getConnectionId, query.getConnectionId())
+                .eq(StrUtil.isNotBlank(query.getTaskStatus()), DatabaseOperationTask::getTaskStatus, query.getTaskStatus())
+                .orderByDesc(DatabaseOperationTask::getCreateTime);
+        Page<DatabaseOperationTask> page = this.page(new Page<>(PageFactory.getPageNum(query), PageFactory.getPageSize(query)), wrapper);
+        Page<DatabaseTaskVO> result = new Page<>(page.getCurrent(), page.getSize(), page.getTotal());
+        result.setRecords(page.getRecords().stream().map(this::toVO).collect(Collectors.toList()));
+        return result;
+    }
+
+    @Override
+    public DatabaseTaskVO getStatus(String taskId) {
+        DatabaseOperationTask task = this.getById(taskId);
+        if (task == null || !Integer.valueOf(DatabaseOpsConst.STATE_ENABLED).equals(task.getState())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "任务不存在或已删除");
+        }
+        return toVO(task);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean deleteTask(String taskId, String confirmText) {
+        if (!DatabaseOpsConst.CONFIRM_DELETE.equals(confirmText)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "确认文案不正确");
+        }
+        DatabaseOperationTask task = this.getById(taskId);
+        if (task == null || !Integer.valueOf(DatabaseOpsConst.STATE_ENABLED).equals(task.getState())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "任务不存在或已删除");
+        }
+        if (TaskStatusEnum.RUNNING.name().equals(task.getTaskStatus()) || TaskStatusEnum.WAITING.name().equals(task.getTaskStatus())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "运行中的任务不能删除");
+        }
+        task.setState(DatabaseOpsConst.STATE_DELETED);
+        task.setUpdateTime(LocalDateTime.now());
+        return this.updateById(task);
+    }
+
+    @Override
+    public boolean existsRunningTask(String connectionId) {
+        return this.lambdaQuery()
+                .eq(DatabaseOperationTask::getConnectionId, connectionId)
+                .eq(DatabaseOperationTask::getState, DatabaseOpsConst.STATE_ENABLED)
+                .in(DatabaseOperationTask::getTaskStatus, Arrays.asList(TaskStatusEnum.WAITING.name(), TaskStatusEnum.RUNNING.name()))
+                .count() > 0;
+    }
+
+    private void executeBackupTask(String taskId, DatabaseBackupParam.CreateParam param) {
+        DatabaseOperationTask task = this.getById(taskId);
+        try {
+            markRunning(task);
+            DatabaseConnection connection = databaseConnectionService.requireEnabled(task.getConnectionId());
+            connection.setSchemaName(task.getSchemaName());
+            String password = databaseConnectionService.resolvePassword(connection, param.getTemporaryPassword());
+            DatabaseBackupFile backupFile;
+            if (BackupStrategyEnum.DATA_PUMP.name().equals(task.getBackupStrategy())) {
+                backupFile = executeDataPumpBackup(task, connection, password, param);
+            } else {
+                backupFile = executeJdbcExportBackup(task, connection, password, param);
+            }
+            databaseBackupFileService.save(backupFile);
+            markSuccess(task, "备份任务执行成功");
+        } catch (Exception exception) {
+            log.error("数据库备份任务失败，taskId={}", taskId, exception);
+            markFail(task, exception.getMessage());
+        }
+    }
+
+    private DatabaseBackupFile executeDataPumpBackup(DatabaseOperationTask task, DatabaseConnection connection, String password,
+                                                     DatabaseBackupParam.CreateParam param) {
+        String directoryName = StrUtil.blankToDefault(param.getDirectoryName(), connection.getDirectoryName());
+        if (StrUtil.isBlank(directoryName)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "DATA_PUMP 备份需要 Oracle Directory 名称");
+        }
+        String baseName = buildBaseFileName(connection, task);
+        String dumpFileName = DatabaseFileNameUtil.appendTodayWithTask(baseName + ".dmp", task.getTaskNo());
+        String logFileName = DatabaseFileNameUtil.appendTodayWithTask(baseName + ".log", task.getTaskNo());
+        DataPumpCommandExecutor.CommandResult commandResult = dataPumpCommandExecutor.expdp(connection, password, directoryName, dumpFileName, logFileName, param.getTargetNames());
+        if (!Boolean.TRUE.equals(commandResult.getSuccess())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "Data Pump 执行失败：" + commandResult.getOutput());
+        }
+        if (StrUtil.isBlank(connection.getDirectoryPath())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "Data Pump 备份需要配置可管理的 directoryPath");
+        }
+        Path dumpPath = buildManagedPath(connection.getDirectoryPath(), dumpFileName);
+        Path logPath = buildManagedPath(connection.getDirectoryPath(), logFileName);
+        return buildBackupFile(task, connection, param, FileFormatEnum.DMP.name(), dumpFileName, dumpPath, logFileName, logPath, null);
+    }
+
+    private DatabaseBackupFile executeJdbcExportBackup(DatabaseOperationTask task, DatabaseConnection connection, String password,
+                                                       DatabaseBackupParam.CreateParam param) throws Exception {
+        String baseName = buildBaseFileName(connection, task);
+        String fileName = DatabaseFileNameUtil.appendTodayWithTask(baseName + ".csv", task.getTaskNo());
+        String metadataFileName = DatabaseFileNameUtil.appendTodayWithTask(baseName + "_metadata.json", task.getTaskNo());
+        Path dataFilePath = buildManagedPath(dbmsProperties.getBackup().getStoragePath(), fileName);
+        Path metadataFilePath = buildManagedPath(dbmsProperties.getBackup().getStoragePath(), metadataFileName);
+        jdbcExportComponent.exportCsv(connection, password, param, dataFilePath, metadataFilePath);
+        return buildBackupFile(task, connection, param, FileFormatEnum.CSV.name(), fileName, dataFilePath, null, null, metadataFilePath);
+    }
+
+    private DatabaseBackupFile buildBackupFile(DatabaseOperationTask task, DatabaseConnection connection, DatabaseBackupParam.CreateParam param,
+                                               String fileFormat, String fileName, Path filePath, String logFileName, Path logFilePath,
+                                               Path metadataFilePath) {
+        if (filePath == null || !Files.exists(filePath)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份文件未生成");
+        }
+        DatabaseBackupFile file = new DatabaseBackupFile();
+        file.setId(DatabaseOpsIdUtil.uuid());
+        file.setTaskId(task.getId());
+        file.setConnectionId(connection.getId());
+        file.setDbType(connection.getDbType());
+        file.setBackupStrategy(task.getBackupStrategy());
+        file.setFileFormat(fileFormat);
+        file.setSchemaName(task.getSchemaName());
+        file.setTargetNamesJson(task.getTargetNamesJson());
+        file.setBackupMode(StrUtil.blankToDefault(param.getBackupMode(), BackupModeEnum.FULL_TABLE.name()).toUpperCase(Locale.ROOT));
+        file.setBackupStartTime(param.getStartTime());
+        file.setBackupEndTime(param.getEndTime());
+        file.setTimeColumn(param.getTimeColumn());
+        file.setDirectoryName(StrUtil.blankToDefault(param.getDirectoryName(), connection.getDirectoryName()));
+        file.setDumpFileName(FileFormatEnum.DMP.name().equals(fileFormat) ? fileName : null);
+        file.setLogFileName(logFileName);
+        file.setFileName(fileName);
+        file.setFilePath(filePath.toString());
+        file.setLogFilePath(logFilePath == null ? null : logFilePath.toString());
+        file.setMetadataFilePath(metadataFilePath == null ? null : metadataFilePath.toString());
+        file.setFileSize(readFileSize(filePath));
+        file.setChecksum(DatabaseChecksumUtil.sha256(filePath));
+        file.setState(DatabaseOpsConst.STATE_ENABLED);
+        file.setCreateTime(LocalDateTime.now());
+        file.setUpdateTime(LocalDateTime.now());
+        return file;
+    }
+
+    private Long readFileSize(Path filePath) {
+        try {
+            if (filePath != null && Files.exists(filePath) && !Files.isDirectory(filePath)) {
+                return Files.size(filePath);
+            }
+        } catch (Exception ignored) {
+            return null;
+        }
+        return null;
+    }
+
+    private Path buildManagedPath(String rootPath, String fileName) {
+        Path root = DatabasePathUtil.normalize(rootPath);
+        if (root == null) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份目录未配置");
+        }
+        return root.resolve(fileName).normalize();
+    }
+
+    private String buildBaseFileName(DatabaseConnection connection, DatabaseOperationTask task) {
+        return connection.getSchemaName() + "_" + task.getBackupStrategy().toLowerCase(Locale.ROOT);
+    }
+
+    private DatabaseOperationTask buildBackupTask(DatabaseBackupParam.CreateParam param, DatabaseConnection connection) {
+        DatabaseOperationTask task = new DatabaseOperationTask();
+        task.setId(DatabaseOpsIdUtil.uuid());
+        task.setTaskNo(DatabaseOpsIdUtil.taskNo("DBMSB"));
+        task.setConnectionId(connection.getId());
+        task.setDbType(connection.getDbType());
+        task.setOperationType(OperationTypeEnum.BACKUP.name());
+        task.setBackupStrategy(resolveBackupStrategy(param.getBackupStrategy()));
+        task.setTaskStatus(TaskStatusEnum.WAITING.name());
+        task.setSchemaName(StrUtil.blankToDefault(param.getSchemaName(), connection.getSchemaName()));
+        task.setTargetNamesJson(writeJson(param.getTargetNames()));
+        task.setRequestParamJson(writeJsonWithoutPassword(param));
+        task.setProgressPercent(BigDecimal.ZERO);
+        task.setState(DatabaseOpsConst.STATE_ENABLED);
+        task.setCreateTime(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        return task;
+    }
+
+    private void validateBackupParam(DatabaseBackupParam.CreateParam param, DatabaseConnection connection) {
+        if (!DatabaseOpsConst.DB_TYPE_ORACLE.equals(connection.getDbType())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "一期仅支持 ORACLE");
+        }
+        if (param.getTargetNames() == null || param.getTargetNames().isEmpty()) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份表不能为空");
+        }
+        if (StrUtil.isBlank(StrUtil.blankToDefault(param.getSchemaName(), connection.getSchemaName()))) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份 Schema 不能为空");
+        }
+        String backupMode = StrUtil.blankToDefault(param.getBackupMode(), BackupModeEnum.FULL_TABLE.name()).toUpperCase(Locale.ROOT);
+        if (BackupModeEnum.TIME_RANGE.name().equals(backupMode)
+                && (param.getStartTime() == null || param.getEndTime() == null)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "按时间备份必须传入开始时间和结束时间");
+        }
+        if (BackupModeEnum.TIME_RANGE.name().equals(backupMode)
+                && param.getStartTime() != null && param.getEndTime() != null
+                && param.getStartTime().isAfter(param.getEndTime())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "开始时间不能晚于结束时间");
+        }
+        if (BackupModeEnum.SIZE_SPLIT.name().equals(backupMode)
+                && (param.getMaxFileSizeMb() == null || param.getMaxFileSizeMb() <= 0)) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "按大小分片必须传入大于 0 的文件大小");
+        }
+        if (BackupStrategyEnum.JDBC_EXPORT.name().equals(resolveBackupStrategy(param.getBackupStrategy()))
+                && BackupModeEnum.TIME_RANGE.name().equals(backupMode)
+                && StrUtil.isBlank(param.getTimeColumn())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "JDBC 按时间备份必须传入时间字段");
+        }
+    }
+
+    private String resolveBackupStrategy(String backupStrategy) {
+        String value = StrUtil.blankToDefault(backupStrategy, BackupStrategyEnum.DATA_PUMP.name()).trim().toUpperCase(Locale.ROOT);
+        try {
+            return BackupStrategyEnum.valueOf(value).name();
+        } catch (Exception exception) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "不支持的备份策略：" + backupStrategy);
+        }
+    }
+
+    private void markRunning(DatabaseOperationTask task) {
+        task.setTaskStatus(TaskStatusEnum.RUNNING.name());
+        task.setStartedAt(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        this.updateById(task);
+    }
+
+    private void markSuccess(DatabaseOperationTask task, String message) {
+        task.setTaskStatus(TaskStatusEnum.SUCCESS.name());
+        task.setResultMessage(message);
+        task.setProgressPercent(new BigDecimal("100.00"));
+        task.setFinishedAt(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        this.updateById(task);
+    }
+
+    private void markFail(DatabaseOperationTask task, String message) {
+        task.setTaskStatus(TaskStatusEnum.FAIL.name());
+        task.setResultMessage(message);
+        task.setFinishedAt(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        this.updateById(task);
+    }
+
+    private String writeJson(Object value) {
+        try {
+            return objectMapper.writeValueAsString(value);
+        } catch (Exception exception) {
+            throw new BusinessException(CommonResponseEnum.JSON_CONVERT_EXCEPTION, exception.getMessage());
+        }
+    }
+
+    private String writeJsonWithoutPassword(DatabaseBackupParam.CreateParam param) {
+        DatabaseBackupParam.CreateParam copy = new DatabaseBackupParam.CreateParam();
+        BeanUtil.copyProperties(param, copy);
+        copy.setTemporaryPassword(null);
+        return writeJson(copy);
+    }
+
+    private DatabaseTaskCreateVO toCreateVO(DatabaseOperationTask task) {
+        DatabaseTaskCreateVO vo = new DatabaseTaskCreateVO();
+        vo.setTaskId(task.getId());
+        vo.setTaskNo(task.getTaskNo());
+        vo.setTaskStatus(task.getTaskStatus());
+        return vo;
+    }
+
+    private DatabaseTaskVO toVO(DatabaseOperationTask task) {
+        DatabaseTaskVO vo = new DatabaseTaskVO();
+        BeanUtil.copyProperties(task, vo);
+        return vo;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseRestoreServiceImpl.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/service/impl/DatabaseRestoreServiceImpl.java
@@ -0,0 +1,239 @@
+package com.njcn.gather.systemops.database.service.impl;
+
+import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.gather.systemops.database.component.DataPumpCommandExecutor;
+import com.njcn.gather.systemops.database.component.JdbcExportComponent;
+import com.njcn.gather.systemops.database.component.OracleJdbcComponent;
+import com.njcn.gather.systemops.database.constant.DatabaseOpsConst;
+import com.njcn.gather.systemops.database.mapper.DatabaseRestoreRecordMapper;
+import com.njcn.gather.systemops.database.pojo.enums.BackupStrategyEnum;
+import com.njcn.gather.systemops.database.pojo.enums.FileFormatEnum;
+import com.njcn.gather.systemops.database.pojo.enums.OperationTypeEnum;
+import com.njcn.gather.systemops.database.pojo.enums.RestoreModeEnum;
+import com.njcn.gather.systemops.database.pojo.enums.TaskStatusEnum;
+import com.njcn.gather.systemops.database.pojo.param.DatabaseRestoreParam;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseBackupFile;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseConnection;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseOperationTask;
+import com.njcn.gather.systemops.database.pojo.po.DatabaseRestoreRecord;
+import com.njcn.gather.systemops.database.pojo.vo.DatabaseTaskCreateVO;
+import com.njcn.gather.systemops.database.service.DatabaseBackupFileService;
+import com.njcn.gather.systemops.database.service.DatabaseConnectionService;
+import com.njcn.gather.systemops.database.service.DatabaseOperationTaskService;
+import com.njcn.gather.systemops.database.service.DatabaseRestoreService;
+import com.njcn.gather.systemops.database.util.DatabaseFileNameUtil;
+import com.njcn.gather.systemops.database.util.DatabaseOpsIdUtil;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.math.BigDecimal;
+import java.nio.file.Path;
+import java.time.LocalDateTime;
+import java.util.Locale;
+import java.util.concurrent.ExecutorService;
+
+/**
+ * 数据库恢复服务实现。
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class DatabaseRestoreServiceImpl extends ServiceImpl<DatabaseRestoreRecordMapper, DatabaseRestoreRecord> implements DatabaseRestoreService {
+
+    private final DatabaseConnectionService databaseConnectionService;
+    private final DatabaseOperationTaskService databaseOperationTaskService;
+    private final DatabaseBackupFileService databaseBackupFileService;
+    private final DataPumpCommandExecutor dataPumpCommandExecutor;
+    private final JdbcExportComponent jdbcExportComponent;
+    private final OracleJdbcComponent oracleJdbcComponent;
+    private final ObjectMapper objectMapper;
+    @Resource(name = "dbmsTaskExecutorService")
+    private ExecutorService dbmsTaskExecutorService;
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public DatabaseTaskCreateVO createRestoreTask(DatabaseRestoreParam.CreateParam param) {
+        DatabaseConnection connection = databaseConnectionService.requireEnabled(param.getConnectionId());
+        DatabaseBackupFile backupFile = requireBackupFile(param.getBackupFileId());
+        validateRestoreParam(param, connection, backupFile);
+        if (databaseOperationTaskService.existsRunningTask(connection.getId())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "当前连接存在运行中的任务");
+        }
+        DatabaseOperationTask task = buildRestoreTask(param, connection, backupFile);
+        databaseOperationTaskService.save(task);
+        DatabaseRestoreRecord record = buildRestoreRecord(param, connection, backupFile, task);
+        this.save(record);
+        dbmsTaskExecutorService.submit(() -> executeRestoreTask(task.getId(), record.getId(), param));
+        DatabaseTaskCreateVO vo = new DatabaseTaskCreateVO();
+        vo.setTaskId(task.getId());
+        vo.setTaskNo(task.getTaskNo());
+        vo.setTaskStatus(task.getTaskStatus());
+        return vo;
+    }
+
+    private void executeRestoreTask(String taskId, String recordId, DatabaseRestoreParam.CreateParam param) {
+        DatabaseOperationTask task = databaseOperationTaskService.getById(taskId);
+        DatabaseRestoreRecord record = this.getById(recordId);
+        try {
+            markRunning(task);
+            DatabaseConnection connection = databaseConnectionService.requireEnabled(task.getConnectionId());
+            DatabaseBackupFile backupFile = requireBackupFile(record.getBackupFileId());
+            databaseBackupFileService.validateBackupFileReadable(backupFile);
+            String password = databaseConnectionService.resolvePassword(connection, param.getTemporaryPassword());
+            if (BackupStrategyEnum.DATA_PUMP.name().equals(backupFile.getBackupStrategy())) {
+                DataPumpCommandExecutor.CommandResult result = dataPumpCommandExecutor.impdp(connection, password,
+                        backupFile.getDirectoryName(), backupFile.getDumpFileName(), buildRestoreLogName(task),
+                        record.getTableExistsAction());
+                if (!Boolean.TRUE.equals(result.getSuccess())) {
+                    throw new BusinessException(CommonResponseEnum.FAIL, "Data Pump 恢复失败：" + result.getOutput());
+                }
+            } else if (FileFormatEnum.CSV.name().equalsIgnoreCase(backupFile.getFileFormat())) {
+                Path dataFilePath = databaseBackupFileService.resolveManagedPath(backupFile, backupFile.getFilePath());
+                Path metadataFilePath = databaseBackupFileService.resolveManagedPath(backupFile, backupFile.getMetadataFilePath());
+                jdbcExportComponent.importCsv(connection, password, dataFilePath, metadataFilePath, record.getRestoreMode(), record.getTargetSchemaName());
+            } else {
+                throw new BusinessException(CommonResponseEnum.FAIL, "暂不支持的恢复文件格式：" + backupFile.getFileFormat());
+            }
+            record.setResultMessage("恢复任务执行成功");
+            record.setUpdateTime(LocalDateTime.now());
+            this.updateById(record);
+            markSuccess(task, "恢复任务执行成功");
+        } catch (Exception exception) {
+            log.error("数据库恢复任务失败，taskId={}", taskId, exception);
+            record.setResultMessage(exception.getMessage());
+            record.setUpdateTime(LocalDateTime.now());
+            this.updateById(record);
+            markFail(task, exception.getMessage());
+        }
+    }
+
+    private void validateRestoreParam(DatabaseRestoreParam.CreateParam param, DatabaseConnection connection, DatabaseBackupFile backupFile) {
+        if (!connection.getDbType().equals(backupFile.getDbType())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份文件数据库类型和目标连接数据库类型不一致");
+        }
+        String restoreMode = resolveRestoreMode(param.getRestoreMode());
+        if ((RestoreModeEnum.TRUNCATE.name().equals(restoreMode) || RestoreModeEnum.REPLACE.name().equals(restoreMode))
+                && !DatabaseOpsConst.CONFIRM_OVERWRITE.equals(param.getOverwriteConfirmText())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "覆盖类恢复必须输入确认覆盖");
+        }
+        databaseBackupFileService.validateBackupFileReadable(backupFile);
+        String password = databaseConnectionService.resolvePassword(connection, param.getTemporaryPassword());
+        if (!Boolean.TRUE.equals(oracleJdbcComponent.test(connection, password).getSuccess())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "目标连接测试失败，不能创建恢复任务");
+        }
+        if (BackupStrategyEnum.DATA_PUMP.name().equals(backupFile.getBackupStrategy())) {
+            if (StrUtil.isBlank(backupFile.getDirectoryName()) || StrUtil.isBlank(backupFile.getDumpFileName())) {
+                throw new BusinessException(CommonResponseEnum.FAIL, "Data Pump 备份记录缺少目录或文件名");
+            }
+        }
+        if (BackupStrategyEnum.JDBC_EXPORT.name().equals(backupFile.getBackupStrategy())
+                && StrUtil.isBlank(backupFile.getMetadataFilePath())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "JDBC_EXPORT 备份缺少元数据文件，不能恢复");
+        }
+    }
+
+    private DatabaseOperationTask buildRestoreTask(DatabaseRestoreParam.CreateParam param, DatabaseConnection connection, DatabaseBackupFile backupFile) {
+        DatabaseOperationTask task = new DatabaseOperationTask();
+        task.setId(DatabaseOpsIdUtil.uuid());
+        task.setTaskNo(DatabaseOpsIdUtil.taskNo("DBMSR"));
+        task.setConnectionId(connection.getId());
+        task.setDbType(connection.getDbType());
+        task.setOperationType(OperationTypeEnum.RESTORE.name());
+        task.setBackupStrategy(backupFile.getBackupStrategy());
+        task.setTaskStatus(TaskStatusEnum.WAITING.name());
+        task.setSchemaName(StrUtil.blankToDefault(param.getTargetSchemaName(), connection.getSchemaName()));
+        task.setTargetNamesJson(backupFile.getTargetNamesJson());
+        task.setRequestParamJson(writeJsonWithoutPassword(param));
+        task.setProgressPercent(BigDecimal.ZERO);
+        task.setState(DatabaseOpsConst.STATE_ENABLED);
+        task.setCreateTime(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        return task;
+    }
+
+    private DatabaseRestoreRecord buildRestoreRecord(DatabaseRestoreParam.CreateParam param, DatabaseConnection connection,
+                                                     DatabaseBackupFile backupFile, DatabaseOperationTask task) {
+        String restoreMode = resolveRestoreMode(param.getRestoreMode());
+        DatabaseRestoreRecord record = new DatabaseRestoreRecord();
+        record.setId(DatabaseOpsIdUtil.uuid());
+        record.setTaskId(task.getId());
+        record.setBackupFileId(backupFile.getId());
+        record.setConnectionId(connection.getId());
+        record.setDbType(connection.getDbType());
+        record.setRestoreMode(restoreMode);
+        record.setTargetSchemaName(StrUtil.blankToDefault(param.getTargetSchemaName(), connection.getSchemaName()));
+        record.setTargetNamesJson(backupFile.getTargetNamesJson());
+        record.setTableExistsAction(restoreMode);
+        record.setOverwriteConfirmed(DatabaseOpsConst.CONFIRM_OVERWRITE.equals(param.getOverwriteConfirmText()) ? 1 : 0);
+        record.setState(DatabaseOpsConst.STATE_ENABLED);
+        record.setCreateTime(LocalDateTime.now());
+        record.setUpdateTime(LocalDateTime.now());
+        return record;
+    }
+
+    private DatabaseBackupFile requireBackupFile(String backupFileId) {
+        DatabaseBackupFile backupFile = databaseBackupFileService.getById(backupFileId);
+        if (backupFile == null || !Integer.valueOf(DatabaseOpsConst.STATE_ENABLED).equals(backupFile.getState())) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "备份文件不存在或已删除");
+        }
+        return backupFile;
+    }
+
+    private String resolveRestoreMode(String restoreMode) {
+        String value = StrUtil.blankToDefault(restoreMode, RestoreModeEnum.SKIP.name()).trim().toUpperCase(Locale.ROOT);
+        try {
+            return RestoreModeEnum.valueOf(value).name();
+        } catch (Exception exception) {
+            throw new BusinessException(CommonResponseEnum.FAIL, "不支持的恢复模式：" + restoreMode);
+        }
+    }
+
+    private String buildRestoreLogName(DatabaseOperationTask task) {
+        return DatabaseFileNameUtil.appendTodayWithTask(task.getTaskNo() + "_restore.log", task.getTaskNo());
+    }
+
+    private void markRunning(DatabaseOperationTask task) {
+        task.setTaskStatus(TaskStatusEnum.RUNNING.name());
+        task.setStartedAt(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        databaseOperationTaskService.updateById(task);
+    }
+
+    private void markSuccess(DatabaseOperationTask task, String message) {
+        task.setTaskStatus(TaskStatusEnum.SUCCESS.name());
+        task.setResultMessage(message);
+        task.setProgressPercent(new BigDecimal("100.00"));
+        task.setFinishedAt(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        databaseOperationTaskService.updateById(task);
+    }
+
+    private void markFail(DatabaseOperationTask task, String message) {
+        task.setTaskStatus(TaskStatusEnum.FAIL.name());
+        task.setResultMessage(message);
+        task.setFinishedAt(LocalDateTime.now());
+        task.setUpdateTime(LocalDateTime.now());
+        databaseOperationTaskService.updateById(task);
+    }
+
+    private String writeJsonWithoutPassword(DatabaseRestoreParam.CreateParam param) {
+        try {
+            DatabaseRestoreParam.CreateParam copy = new DatabaseRestoreParam.CreateParam();
+            copy.setConnectionId(param.getConnectionId());
+            copy.setBackupFileId(param.getBackupFileId());
+            copy.setRestoreMode(param.getRestoreMode());
+            copy.setTargetSchemaName(param.getTargetSchemaName());
+            copy.setOverwriteConfirmText(param.getOverwriteConfirmText());
+            return objectMapper.writeValueAsString(copy);
+        } catch (Exception exception) {
+            throw new BusinessException(CommonResponseEnum.JSON_CONVERT_EXCEPTION, exception.getMessage());
+        }
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabaseChecksumUtil.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabaseChecksumUtil.java
@@ -0,0 +1,37 @@
+package com.njcn.gather.systemops.database.util;
+
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.MessageDigest;
+
+/**
+ * 文件校验工具。
+ */
+public final class DatabaseChecksumUtil {
+
+    private DatabaseChecksumUtil() {
+    }
+
+    public static String sha256(Path path) {
+        if (path == null || !Files.exists(path) || Files.isDirectory(path)) {
+            return null;
+        }
+        try (InputStream inputStream = Files.newInputStream(path)) {
+            MessageDigest digest = MessageDigest.getInstance("SHA-256");
+            byte[] buffer = new byte[8192];
+            int length;
+            while ((length = inputStream.read(buffer)) != -1) {
+                digest.update(buffer, 0, length);
+            }
+            byte[] bytes = digest.digest();
+            StringBuilder builder = new StringBuilder();
+            for (byte item : bytes) {
+                builder.append(String.format("%02x", item));
+            }
+            return builder.toString();
+        } catch (Exception exception) {
+            return null;
+        }
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabaseFileNameUtil.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabaseFileNameUtil.java
@@ -0,0 +1,37 @@
+package com.njcn.gather.systemops.database.util;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * 数据库运维文件名工具。
+ */
+public final class DatabaseFileNameUtil {
+
+    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd");
+
+    private DatabaseFileNameUtil() {
+    }
+
+    public static String appendTodayWithTask(String fileName, String taskNo) {
+        String datedName = appendDate(fileName, LocalDate.now());
+        int dotIndex = datedName.lastIndexOf('.');
+        if (dotIndex > 0) {
+            return datedName.substring(0, dotIndex) + "_" + taskNo + datedName.substring(dotIndex);
+        }
+        return datedName + "_" + taskNo;
+    }
+
+    private static String appendDate(String fileName, LocalDate date) {
+        if (fileName == null || date == null) {
+            return fileName;
+        }
+        String dateText = DATE_FORMATTER.format(date);
+        int separatorIndex = Math.max(fileName.lastIndexOf('/'), fileName.lastIndexOf('\\'));
+        int dotIndex = fileName.lastIndexOf('.');
+        if (dotIndex > separatorIndex) {
+            return fileName.substring(0, dotIndex) + "_" + dateText + fileName.substring(dotIndex);
+        }
+        return fileName + "_" + dateText;
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabaseOpsIdUtil.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabaseOpsIdUtil.java
@@ -0,0 +1,24 @@
+package com.njcn.gather.systemops.database.util;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.UUID;
+
+/**
+ * 数据库运维编号工具。
+ */
+public final class DatabaseOpsIdUtil {
+
+    private static final DateTimeFormatter TASK_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS");
+
+    private DatabaseOpsIdUtil() {
+    }
+
+    public static String uuid() {
+        return UUID.randomUUID().toString().replace("-", "");
+    }
+
+    public static String taskNo(String prefix) {
+        return prefix + LocalDateTime.now().format(TASK_FORMATTER);
+    }
+}
--- a/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabasePathUtil.java
+++ b/system-ops/dbms/src/main/java/com/njcn/gather/systemops/database/util/DatabasePathUtil.java
@@ -0,0 +1,31 @@
+package com.njcn.gather.systemops.database.util;
+
+import cn.hutool.core.util.StrUtil;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ * 数据库运维文件路径工具。
+ */
+public final class DatabasePathUtil {
+
+    private DatabasePathUtil() {
+    }
+
+    public static Path normalize(String filePath) {
+        if (StrUtil.isBlank(filePath)) {
+            return null;
+        }
+        return Paths.get(filePath).toAbsolutePath().normalize();
+    }
+
+    public static boolean isUnder(Path path, Path root) {
+        if (path == null || root == null) {
+            return false;
+        }
+        Path normalizedPath = path.toAbsolutePath().normalize();
+        Path normalizedRoot = root.toAbsolutePath().normalize();
+        return normalizedPath.startsWith(normalizedRoot);
+    }
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/controller/AddLedgerController.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/controller/AddLedgerController.java
@@ -6,10 +6,13 @@ import com.njcn.common.pojo.enums.common.LogEnum;
 import com.njcn.common.pojo.enums.response.CommonResponseEnum;
 import com.njcn.common.pojo.response.HttpResult;
 import com.njcn.common.utils.LogUtil;
+import com.njcn.gather.tool.addledger.pojo.param.AddDeviceUnitSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEngineeringSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEquipmentSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerLineSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerProjectSaveParam;
+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
+import com.njcn.gather.tool.addledger.pojo.vo.AddDeviceUnitVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerDetailVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerTreeNodeVO;
 import com.njcn.gather.tool.addledger.service.AddLedgerService;
@@ -93,6 +96,26 @@ public class AddLedgerController extends BaseController {
        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, result, methodDescribe);
    }

+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询设备单位")
+    @GetMapping("/equipment/unit")
+    public HttpResult<AddDeviceUnitVO> getDeviceUnit(@RequestParam("devId") String devId) {
+        String methodDescribe = getMethodDescribe("getDeviceUnit");
+        LogUtil.njcnDebug(log, "{}，开始查询设备单位，devId={}", methodDescribe, devId);
+        AddDeviceUnitVO result = addLedgerService.getDeviceUnit(devId);
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, result, methodDescribe);
+    }
+
+    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.UPDATE)
+    @ApiOperation("保存设备单位")
+    @PostMapping("/equipment/unit/save")
+    public HttpResult<AddDeviceUnitVO> saveDeviceUnit(@RequestBody @Validated AddDeviceUnitSaveParam param) {
+        String methodDescribe = getMethodDescribe("saveDeviceUnit");
+        LogUtil.njcnDebug(log, "{}，开始保存设备单位，devId={}", methodDescribe, param.getDevId());
+        AddDeviceUnitVO result = addLedgerService.saveDeviceUnit(param);
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, result, methodDescribe);
+    }
+
    @OperateInfo(info = LogEnum.BUSINESS_COMMON, operateType = OperateType.ADD)
    @ApiOperation("新增或保存测点")
    @PostMapping("/line/save")
@@ -103,6 +126,16 @@ public class AddLedgerController extends BaseController {
        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, result, methodDescribe);
    }

+    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
+    @ApiOperation("查询监测点限值")
+    @GetMapping("/line/overlimit")
+    public HttpResult<AddOverlimitPO> getLineOverlimit(@RequestParam("lineId") String lineId) {
+        String methodDescribe = getMethodDescribe("getLineOverlimit");
+        LogUtil.njcnDebug(log, "{}，开始查询监测点限值，lineId={}", methodDescribe, lineId);
+        AddOverlimitPO result = addLedgerService.getLineOverlimit(lineId);
+        return HttpResultUtil.assembleCommonResponseResult(CommonResponseEnum.SUCCESS, result, methodDescribe);
+    }
+
    @OperateInfo(info = LogEnum.BUSINESS_COMMON)
    @ApiOperation("查询设备可用线路号")
    @GetMapping("/line/availableLineNos")
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/mapper/AddDeviceUnitMapper.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/mapper/AddDeviceUnitMapper.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.tool.addledger.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.gather.tool.addledger.pojo.po.AddDeviceUnit;
+
+/**
+ * 设备单位 Mapper。
+ */
+public interface AddDeviceUnitMapper extends BaseMapper<AddDeviceUnit> {
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/mapper/AddOverlimitMapper.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/mapper/AddOverlimitMapper.java
@@ -0,0 +1,10 @@
+package com.njcn.gather.tool.addledger.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
+
+/**
+ * 监测点限值 Mapper。
+ */
+public interface AddOverlimitMapper extends BaseMapper<AddOverlimitPO> {
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/mapper/mapping/AddLedgerLineMapper.xml
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/mapper/mapping/AddLedgerLineMapper.xml
@@ -34,7 +34,8 @@
               equipment.name AS equipmentName,
               equipment.mac AS equipmentMac,
               line.line_id AS lineId,
-               line.name AS lineName
+               line.name AS lineName,
+               line.line_interval AS lineInterval
        FROM cs_line line
                 INNER JOIN cs_equipment_delivery equipment ON equipment.id = line.device_id
                 INNER JOIN cs_project project ON project.id = equipment.associated_project
@@ -58,7 +59,8 @@
               equipment.name AS equipmentName,
               equipment.mac AS equipmentMac,
               line.line_id AS lineId,
-               line.name AS lineName
+               line.name AS lineName,
+               line.line_interval AS lineInterval
        FROM cs_line line
                 INNER JOIN cs_equipment_delivery equipment ON equipment.id = line.device_id
                 INNER JOIN cs_project project ON project.id = equipment.associated_project
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/constant/AddLedgerConst.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/constant/AddLedgerConst.java
@@ -33,12 +33,19 @@ public final class AddLedgerConst {
    public static final int LINE_RUN_STATUS_RUNNING = 0;
    public static final int LINE_INTERVAL_DEFAULT = 1;
    public static final String LOG_LEVEL_WARN = "WARN";
+    public static final int LINE_TYPE_MAIN = 0;
+    public static final int LINE_TYPE_DISTRIBUTION = 1;

    public static final int MIN_LINE_NO = 1;
    public static final int MAX_LINE_NO = 20;

    public static final Set<Integer> CON_TYPES = new LinkedHashSet<Integer>(Arrays.asList(0, 1, 2));

+    public static final Set<Integer> LINE_TYPES = new LinkedHashSet<Integer>(Arrays.asList(
+            LINE_TYPE_MAIN,
+            LINE_TYPE_DISTRIBUTION
+    ));
+
    public static final Set<BigDecimal> VOL_GRADES = new LinkedHashSet<BigDecimal>(Arrays.asList(
            new BigDecimal("0.38"),
            new BigDecimal("10"),
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/param/AddDeviceUnitSaveParam.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/param/AddDeviceUnitSaveParam.java
@@ -0,0 +1,91 @@
+package com.njcn.gather.tool.addledger.pojo.param;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * 设备单位保存参数。
+ */
+@Data
+@ApiModel("设备单位保存参数")
+public class AddDeviceUnitSaveParam {
+
+    @ApiModelProperty(value = "设备ID", required = true)
+    @NotBlank(message = "设备 ID 不能为空")
+    private String devId;
+
+    @ApiModelProperty("频率")
+    private String unitFrequency;
+
+    @ApiModelProperty("频率偏差")
+    private String unitFrequencyDev;
+
+    @ApiModelProperty("相电压有效值")
+    private String phaseVoltage;
+
+    @ApiModelProperty("线电压有效值")
+    private String lineVoltage;
+
+    @ApiModelProperty("电压上偏差")
+    private String voltageDev;
+
+    @ApiModelProperty("电压下偏差")
+    private String uvoltageDev;
+
+    @ApiModelProperty("电流有效值")
+    private String ieffective;
+
+    @ApiModelProperty("单相有功功率")
+    private String singleP;
+
+    @ApiModelProperty("单相视在功率")
+    private String singleViewP;
+
+    @ApiModelProperty("单相无功功率")
+    private String singleNoP;
+
+    @ApiModelProperty("总有功功率")
+    private String totalActiveP;
+
+    @ApiModelProperty("总视在功率")
+    private String totalViewP;
+
+    @ApiModelProperty("总无功功率")
+    private String totalNoP;
+
+    @ApiModelProperty("相线电压基波有效值")
+    private String vfundEffective;
+
+    @ApiModelProperty("基波电流")
+    private String ifund;
+
+    @ApiModelProperty("基波有功功率")
+    private String fundActiveP;
+
+    @ApiModelProperty("基波无功功率")
+    private String fundNoP;
+
+    @ApiModelProperty("电压总谐波畸变率")
+    private String vdistortion;
+
+    @ApiModelProperty("2-50次谐波电压含有率")
+    private String vharmonicRate;
+
+    @ApiModelProperty("2-50次谐波电流有效值")
+    private String iharmonic;
+
+    @ApiModelProperty("2-50次谐波有功功率")
+    private String pharmonic;
+
+    @ApiModelProperty("0.5-49.5次间谐波电流有效值")
+    private String iiharmonic;
+
+    @ApiModelProperty("正序电压")
+    private String positiveV;
+
+    @ApiModelProperty("零序负序电压")
+    private String noPositiveV;
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/param/AddLedgerLineSaveParam.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/param/AddLedgerLineSaveParam.java
@@ -81,6 +81,9 @@ public class AddLedgerLineSaveParam {
    @DecimalMin(value = "0", inclusive = true, message = "protocol_capacity 不能为负数")
    private BigDecimal protocolCapacity;

+    @ApiModelProperty("线路类型：0 主网，1 配网")
+    private Integer lineType;
+
    @ApiModelProperty("监测对象类型")
    private String monitorObj;

--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/po/AddDeviceUnit.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/po/AddDeviceUnit.java
@@ -0,0 +1,118 @@
+package com.njcn.gather.tool.addledger.pojo.po;
+
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+/**
+ * 数据单位管理表。
+ */
+@Data
+@TableName("cs_device_unit")
+public class AddDeviceUnit {
+
+    private static final long serialVersionUID = 1L;
+
+    @TableId(value = "dev_id")
+    @ApiModelProperty(value = "终端id")
+    private String devId;
+
+    @TableField("unit_frequency")
+    @ApiModelProperty(value = "频率")
+    private String unitFrequency = "Hz";
+
+    @TableField("unit_frequency_dev")
+    @ApiModelProperty(value = "频率偏差")
+    private String unitFrequencyDev = "Hz";
+
+    @TableField("phase_voltage")
+    @ApiModelProperty(value = "相电压有效值")
+    private String phaseVoltage = "kV";
+
+    @TableField("line_voltage")
+    @ApiModelProperty(value = "线电压有效值")
+    private String lineVoltage = "kV";
+
+    @TableField("voltage_dev")
+    @ApiModelProperty(value = "电压上偏差")
+    private String voltageDev = "%";
+
+    @TableField("uvoltage_dev")
+    @ApiModelProperty(value = "电压下偏差")
+    private String uvoltageDev = "%";
+
+    @TableField("i_effective")
+    @ApiModelProperty(value = "电流有效值")
+    private String ieffective = "A";
+
+    @TableField("single_p")
+    @ApiModelProperty(value = "单相有功功率")
+    private String singleP = "kW";
+
+    @TableField("single_view_p")
+    @ApiModelProperty(value = "单相视在功率")
+    private String singleViewP = "kVA";
+
+    @TableField("single_no_p")
+    @ApiModelProperty(value = "单相无功功率")
+    private String singleNoP = "kVar";
+
+    @TableField("total_active_p")
+    @ApiModelProperty(value = "总有功功率")
+    private String totalActiveP = "kW";
+
+    @TableField("total_view_p")
+    @ApiModelProperty(value = "总视在功率")
+    private String totalViewP = "kVA";
+
+    @TableField("total_no_p")
+    @ApiModelProperty(value = "总无功功率")
+    private String totalNoP = "kVar";
+
+    @TableField("v_fund_effective")
+    @ApiModelProperty(value = "相（线）电压基波有效值")
+    private String vfundEffective = "kV";
+
+    @TableField("i_fund")
+    @ApiModelProperty(value = "基波电流")
+    private String ifund = "A";
+
+    @TableField("fund_active_p")
+    @ApiModelProperty(value = "基波有功功率")
+    private String fundActiveP = "kW";
+
+    @TableField("fund_no_p")
+    @ApiModelProperty(value = "基波无功功率")
+    private String fundNoP = "kVar";
+
+    @TableField("v_distortion")
+    @ApiModelProperty(value = "电压总谐波畸变率")
+    private String vdistortion = "%";
+
+    @TableField("v_harmonic_rate")
+    @ApiModelProperty(value = "2～50次谐波电压含有率")
+    private String vharmonicRate = "%";
+
+    @TableField("i_harmonic")
+    @ApiModelProperty(value = "2～50次谐波电流有效值")
+    private String iharmonic = "A";
+
+    @TableField("p_harmonic")
+    @ApiModelProperty(value = "2～50次谐波有功功率")
+    private String pharmonic = "kW";
+
+    @TableField("i_iharmonic")
+    @ApiModelProperty(value = "0.5～49.5次间谐波电流有效值")
+    private String iiharmonic = "A";
+
+    @TableField("positive_v")
+    @ApiModelProperty(value = "正序电压")
+    private String positiveV = "kV";
+
+    @TableField("no_positive_v")
+    @ApiModelProperty(value = "零序负序电压")
+    private String noPositiveV = "V";
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/po/AddLedgerLinePO.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/po/AddLedgerLinePO.java
@@ -64,6 +64,12 @@ public class AddLedgerLinePO extends BaseEntity {

    private BigDecimal protocolCapacity;

+    /**
+     * 线路类型：0 主网，1 配网。
+     */
+    @TableField(exist = false)
+    private Integer lineType;
+
    private String monitorObj;

    private Integer isGovern;
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/po/AddOverlimitPO.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/po/AddOverlimitPO.java
@@ -0,0 +1,869 @@
+package com.njcn.gather.tool.addledger.pojo.po;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+
+/**
+ * 越限阈值配置表。
+ */
+@Data
+@TableName("cs_overlimit")
+public class AddOverlimitPO {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 监测点序号
+     */
+    @TableId("line_id")
+    private String id;
+
+    /**
+     * 频率限值
+     */
+    private Float freqDev;
+
+    /**
+     * 电压波动
+     */
+    private Float voltageFluctuation;
+
+    /**
+     * 电压上偏差限值
+     */
+    private Float voltageDev;
+
+    /**
+     * 电压下偏差限值
+     */
+    private Float uvoltageDev;
+
+    /**
+     * 三相电压不平衡度限值
+     */
+    private Float ubalance;
+
+    /**
+     * 短时电压不平衡度限值
+     */
+    private Float shortUbalance;
+
+    /**
+     * 闪变限值
+     */
+    private Float flicker;
+
+    /**
+     * 电压总谐波畸变率限值
+     */
+    private Float uaberrance;
+
+    /**
+     * 负序电流限值
+     */
+    private Float iNeg;
+
+    /**
+     * 2次谐波电压限值
+     */
+    @TableField("uharm_2")
+    private Float uharm2;
+
+    /**
+     * 3次谐波电压限值
+     */
+    @TableField("uharm_3")
+    private Float uharm3;
+
+    /**
+     * 4次谐波电压限值
+     */
+    @TableField("uharm_4")
+    private Float uharm4;
+
+    /**
+     * 5次谐波电压限值
+     */
+    @TableField("uharm_5")
+    private Float uharm5;
+
+    /**
+     * 6次谐波电压限值
+     */
+    @TableField("uharm_6")
+    private Float uharm6;
+
+    /**
+     * 7次谐波电压限值
+     */
+    @TableField("uharm_7")
+    private Float uharm7;
+
+    /**
+     * 8次谐波电压限值
+     */
+    @TableField("uharm_8")
+    private Float uharm8;
+
+    /**
+     * 9次谐波电压限值
+     */
+    @TableField("uharm_9")
+    private Float uharm9;
+
+    /**
+     * 10次谐波电压限值
+     */
+    @TableField("uharm_10")
+    private Float uharm10;
+
+    /**
+     * 11次谐波电压限值
+     */
+    @TableField("uharm_11")
+    private Float uharm11;
+
+    /**
+     * 12次谐波电压限值
+     */
+    @TableField("uharm_12")
+    private Float uharm12;
+
+    /**
+     * 13次谐波电压限值
+     */
+    @TableField("uharm_13")
+    private Float uharm13;
+
+    /**
+     * 14次谐波电压限值
+     */
+    @TableField("uharm_14")
+    private Float uharm14;
+
+    /**
+     * 15次谐波电压限值
+     */
+    @TableField("uharm_15")
+    private Float uharm15;
+
+    /**
+     * 16次谐波电压限值
+     */
+    @TableField("uharm_16")
+    private Float uharm16;
+
+    /**
+     * 17次谐波电压限值
+     */
+    @TableField("uharm_17")
+    private Float uharm17;
+
+    /**
+     * 18次谐波电压限值
+     */
+    @TableField("uharm_18")
+    private Float uharm18;
+
+    /**
+     * 19次谐波电压限值
+     */
+    @TableField("uharm_19")
+    private Float uharm19;
+
+    /**
+     * 20次谐波电压限值
+     */
+    @TableField("uharm_20")
+    private Float uharm20;
+
+    /**
+     * 21次谐波电压限值
+     */
+    @TableField("uharm_21")
+    private Float uharm21;
+
+    /**
+     * 22次谐波电压限值
+     */
+    @TableField("uharm_22")
+    private Float uharm22;
+
+    /**
+     * 23次谐波电压限值
+     */
+    @TableField("uharm_23")
+    private Float uharm23;
+
+    /**
+     * 24次谐波电压限值
+     */
+    @TableField("uharm_24")
+    private Float uharm24;
+
+    /**
+     * 25次谐波电压限值
+     */
+    @TableField("uharm_25")
+    private Float uharm25;
+
+    /**
+     * 2次谐波电压限值
+     */
+    @TableField("uharm_26")
+    private Float uharm26;
+
+    /**
+     * 3次谐波电压限值
+     */
+    @TableField("uharm_27")
+    private Float uharm27;
+
+    /**
+     * 4次谐波电压限值
+     */
+    @TableField("uharm_28")
+    private Float uharm28;
+
+    /**
+     * 5次谐波电压限值
+     */
+    @TableField("uharm_29")
+    private Float uharm29;
+
+    /**
+     * 6次谐波电压限值
+     */
+    @TableField("uharm_30")
+    private Float uharm30;
+
+    /**
+     * 7次谐波电压限值
+     */
+    @TableField("uharm_31")
+    private Float uharm31;
+
+    /**
+     * 8次谐波电压限值
+     */
+    @TableField("uharm_32")
+    private Float uharm32;
+
+    /**
+     * 9次谐波电压限值
+     */
+    @TableField("uharm_33")
+    private Float uharm33;
+
+    /**
+     * 10次谐波电压限值
+     */
+    @TableField("uharm_34")
+    private Float uharm34;
+
+    /**
+     * 11次谐波电压限值
+     */
+    @TableField("uharm_35")
+    private Float uharm35;
+
+    /**
+     * 12次谐波电压限值
+     */
+    @TableField("uharm_36")
+    private Float uharm36;
+
+    /**
+     * 13次谐波电压限值
+     */
+    @TableField("uharm_37")
+    private Float uharm37;
+
+    /**
+     * 14次谐波电压限值
+     */
+    @TableField("uharm_38")
+    private Float uharm38;
+
+    /**
+     * 15次谐波电压限值
+     */
+    @TableField("uharm_39")
+    private Float uharm39;
+
+    /**
+     * 16次谐波电压限值
+     */
+    @TableField("uharm_40")
+    private Float uharm40;
+
+    /**
+     * 17次谐波电压限值
+     */
+    @TableField("uharm_41")
+    private Float uharm41;
+
+    /**
+     * 18次谐波电压限值
+     */
+    @TableField("uharm_42")
+    private Float uharm42;
+
+    /**
+     * 19次谐波电压限值
+     */
+    @TableField("uharm_43")
+    private Float uharm43;
+
+    /**
+     * 20次谐波电压限值
+     */
+    @TableField("uharm_44")
+    private Float uharm44;
+
+    /**
+     * 21次谐波电压限值
+     */
+    @TableField("uharm_45")
+    private Float uharm45;
+
+    /**
+     * 22次谐波电压限值
+     */
+    @TableField("uharm_46")
+    private Float uharm46;
+
+    /**
+     * 23次谐波电压限值
+     */
+    @TableField("uharm_47")
+    private Float uharm47;
+
+    /**
+     * 24次谐波电压限值
+     */
+    @TableField("uharm_48")
+    private Float uharm48;
+
+    /**
+     * 25次谐波电压限值
+     */
+    @TableField("uharm_49")
+    private Float uharm49;
+
+    /**
+     * 50次谐波电压限值
+     */
+    @TableField("uharm_50")
+    private Float uharm50;
+
+
+
+    /**
+     * 2次谐波电流限值
+     */
+    @TableField("iharm_2")
+    private Float iharm2;
+
+    /**
+     * 3次谐波电流限值
+     */
+    @TableField("iharm_3")
+    private Float iharm3;
+
+    /**
+     * 4次谐波电流限值
+     */
+    @TableField("iharm_4")
+    private Float iharm4;
+
+    /**
+     * 5次谐波电流限值
+     */
+    @TableField("iharm_5")
+    private Float iharm5;
+
+    /**
+     * 6次谐波电流限值
+     */
+    @TableField("iharm_6")
+    private Float iharm6;
+
+    /**
+     * 7次谐波电流限值
+     */
+    @TableField("iharm_7")
+    private Float iharm7;
+
+    /**
+     * 8次谐波电流限值
+     */
+    @TableField("iharm_8")
+    private Float iharm8;
+
+    /**
+     * 9次谐波电流限值
+     */
+    @TableField("iharm_9")
+    private Float iharm9;
+
+    /**
+     * 10次谐波电流限值
+     */
+    @TableField("iharm_10")
+    private Float iharm10;
+
+    /**
+     * 11次谐波电流限值
+     */
+    @TableField("iharm_11")
+    private Float iharm11;
+
+    /**
+     * 12次谐波电流限值
+     */
+    @TableField("iharm_12")
+    private Float iharm12;
+
+    /**
+     * 13次谐波电流限值
+     */
+    @TableField("iharm_13")
+    private Float iharm13;
+
+    /**
+     * 14次谐波电流限值
+     */
+    @TableField("iharm_14")
+    private Float iharm14;
+
+    /**
+     * 15次谐波电流限值
+     */
+    @TableField("iharm_15")
+    private Float iharm15;
+
+    /**
+     * 16次谐波电流限值
+     */
+    @TableField("iharm_16")
+    private Float iharm16;
+
+    /**
+     * 17次谐波电流限值
+     */
+    @TableField("iharm_17")
+    private Float iharm17;
+
+    /**
+     * 18次谐波电流限值
+     */
+    @TableField("iharm_18")
+    private Float iharm18;
+
+    /**
+     * 19次谐波电流限值
+     */
+    @TableField("iharm_19")
+    private Float iharm19;
+
+    /**
+     * 20次谐波电流限值
+     */
+    @TableField("iharm_20")
+    private Float iharm20;
+
+    /**
+     * 21次谐波电流限值
+     */
+    @TableField("iharm_21")
+    private Float iharm21;
+
+    /**
+     * 22次谐波电流限值
+     */
+    @TableField("iharm_22")
+    private Float iharm22;
+
+    /**
+     * 23次谐波电流限值
+     */
+    @TableField("iharm_23")
+    private Float iharm23;
+
+    /**
+     * 24次谐波电流限值
+     */
+    @TableField("iharm_24")
+    private Float iharm24;
+
+    /**
+     * 25次谐波电流限值
+     */
+    @TableField("iharm_25")
+    private Float iharm25;
+
+    /**
+     * 2次谐波电压限值
+     */
+    @TableField("iharm_26")
+    private Float iharm26;
+
+    /**
+     * 3次谐波电压限值
+     */
+    @TableField("iharm_27")
+    private Float iharm27;
+
+    /**
+     * 4次谐波电压限值
+     */
+    @TableField("iharm_28")
+    private Float iharm28;
+
+    /**
+     * 5次谐波电压限值
+     */
+    @TableField("iharm_29")
+    private Float iharm29;
+
+    /**
+     * 6次谐波电压限值
+     */
+    @TableField("iharm_30")
+    private Float iharm30;
+
+    /**
+     * 7次谐波电压限值
+     */
+    @TableField("iharm_31")
+    private Float iharm31;
+
+    /**
+     * 8次谐波电压限值
+     */
+    @TableField("iharm_32")
+    private Float iharm32;
+
+    /**
+     * 9次谐波电压限值
+     */
+    @TableField("iharm_33")
+    private Float iharm33;
+
+    /**
+     * 10次谐波电压限值
+     */
+    @TableField("iharm_34")
+    private Float iharm34;
+
+    /**
+     * 11次谐波电压限值
+     */
+    @TableField("iharm_35")
+    private Float iharm35;
+
+    /**
+     * 12次谐波电压限值
+     */
+    @TableField("iharm_36")
+    private Float iharm36;
+
+    /**
+     * 13次谐波电压限值
+     */
+    @TableField("iharm_37")
+    private Float iharm37;
+
+    /**
+     * 14次谐波电压限值
+     */
+    @TableField("iharm_38")
+    private Float iharm38;
+
+    /**
+     * 15次谐波电压限值
+     */
+    @TableField("iharm_39")
+    private Float iharm39;
+
+    /**
+     * 16次谐波电压限值
+     */
+    @TableField("iharm_40")
+    private Float iharm40;
+
+    /**
+     * 17次谐波电压限值
+     */
+    @TableField("iharm_41")
+    private Float iharm41;
+
+    /**
+     * 18次谐波电压限值
+     */
+    @TableField("iharm_42")
+    private Float iharm42;
+
+    /**
+     * 19次谐波电压限值
+     */
+    @TableField("iharm_43")
+    private Float iharm43;
+
+    /**
+     * 20次谐波电压限值
+     */
+    @TableField("iharm_44")
+    private Float iharm44;
+
+    /**
+     * 21次谐波电压限值
+     */
+    @TableField("iharm_45")
+    private Float iharm45;
+
+    /**
+     * 22次谐波电压限值
+     */
+    @TableField("iharm_46")
+    private Float iharm46;
+
+    /**
+     * 23次谐波电压限值
+     */
+    @TableField("iharm_47")
+    private Float iharm47;
+
+    /**
+     * 24次谐波电压限值
+     */
+    @TableField("iharm_48")
+    private Float iharm48;
+
+    /**
+     * 25次谐波电压限值
+     */
+    @TableField("iharm_49")
+    private Float iharm49;
+
+    /**
+     * 50次谐波电压限值
+     */
+    @TableField("iharm_50")
+    private Float iharm50;
+
+
+
+    /**
+     * 0.5次间谐波电压限值
+     */
+    @TableField("inuharm_1")
+    private Float inuharm1;
+
+    /**
+     * 1.5次间谐波电压限值
+     */
+    @TableField("inuharm_2")
+    private Float inuharm2;
+
+    /**
+     * 2.5次间谐波电压限值
+     */
+    @TableField("inuharm_3")
+    private Float inuharm3;
+
+    /**
+     * 3.5次间谐波电压限值
+     */
+    @TableField("inuharm_4")
+    private Float inuharm4;
+
+    /**
+     * 4.5次间谐波电压限值
+     */
+    @TableField("inuharm_5")
+    private Float inuharm5;
+
+    /**
+     * 5.5次间谐波电压限值
+     */
+    @TableField("inuharm_6")
+    private Float inuharm6;
+
+    /**
+     * 6.5次间谐波电压限值
+     */
+    @TableField("inuharm_7")
+    private Float inuharm7;
+
+    /**
+     * 7.5次间谐波电压限值
+     */
+    @TableField("inuharm_8")
+    private Float inuharm8;
+
+    /**
+     * 8.5次间谐波电压限值
+     */
+    @TableField("inuharm_9")
+    private Float inuharm9;
+
+    /**
+     * 9.5次间谐波电压限值
+     */
+    @TableField("inuharm_10")
+    private Float inuharm10;
+
+    /**
+     * 10.5次间谐波电压限值
+     */
+    @TableField("inuharm_11")
+    private Float inuharm11;
+
+    /**
+     * 11.5次间谐波电压限值
+     */
+    @TableField("inuharm_12")
+    private Float inuharm12;
+
+    /**
+     * 12.5次间谐波电压限值
+     */
+    @TableField("inuharm_13")
+    private Float inuharm13;
+
+    /**
+     * 13.5次间谐波电压限值
+     */
+    @TableField("inuharm_14")
+    private Float inuharm14;
+
+    /**
+     * 14.5次间谐波电压限值
+     */
+    @TableField("inuharm_15")
+    private Float inuharm15;
+
+    /**
+     * 15.5次间谐波电压限值
+     */
+    @TableField("inuharm_16")
+    private Float inuharm16;
+
+    public AddOverlimitPO(){}
+
+
+
+    public void buildIHarm(Float[] iHarmTem){
+        this.iharm2= iHarmTem[0];
+        this.iharm4= iHarmTem[2];
+        this.iharm6= iHarmTem[4];
+        this.iharm8= iHarmTem[6];
+        this.iharm10= iHarmTem[8];
+        this.iharm12= iHarmTem[10];
+        this.iharm14= iHarmTem[12];
+        this.iharm16= iHarmTem[14];
+        this.iharm18= iHarmTem[16];
+        this.iharm20= iHarmTem[18];
+        this.iharm22= iHarmTem[20];
+        this.iharm24= iHarmTem[22];
+        this.iharm26= iHarmTem[24];
+        this.iharm28= iHarmTem[26];
+        this.iharm30= iHarmTem[28];
+        this.iharm32= iHarmTem[30];
+        this.iharm34= iHarmTem[32];
+        this.iharm36= iHarmTem[34];
+        this.iharm38= iHarmTem[36];
+        this.iharm40= iHarmTem[38];
+        this.iharm42= iHarmTem[40];
+        this.iharm44= iHarmTem[42];
+        this.iharm46= iHarmTem[44];
+        this.iharm48= iHarmTem[46];
+        this.iharm50= iHarmTem[48];
+
+
+
+        this.iharm3= iHarmTem[1];
+        this.iharm5= iHarmTem[3];
+        this.iharm7= iHarmTem[5];
+        this.iharm9= iHarmTem[7];
+        this.iharm11= iHarmTem[9];
+        this.iharm13= iHarmTem[11];
+        this.iharm15= iHarmTem[13];
+        this.iharm17= iHarmTem[15];
+        this.iharm19= iHarmTem[17];
+        this.iharm21= iHarmTem[19];
+        this.iharm23= iHarmTem[21];
+        this.iharm25= iHarmTem[23];
+        this.iharm27= iHarmTem[25];
+        this.iharm29= iHarmTem[27];
+        this.iharm31= iHarmTem[29];
+        this.iharm33= iHarmTem[31];
+        this.iharm35= iHarmTem[33];
+        this.iharm37= iHarmTem[35];
+        this.iharm39= iHarmTem[37];
+        this.iharm41= iHarmTem[39];
+        this.iharm43= iHarmTem[41];
+        this.iharm45= iHarmTem[43];
+        this.iharm47= iHarmTem[45];
+        this.iharm49= iHarmTem[47];
+    }
+
+    public void buildUharm(Float resultEven,Float resultOdd){
+        this.uharm2=resultEven;
+        this.uharm4=resultEven;
+        this.uharm6=resultEven;
+        this.uharm8=resultEven;
+        this.uharm10=resultEven;
+        this.uharm12=resultEven;
+        this.uharm14=resultEven;
+        this.uharm16=resultEven;
+        this.uharm18=resultEven;
+        this.uharm20=resultEven;
+        this.uharm22=resultEven;
+        this.uharm24=resultEven;
+        this.uharm26=resultEven;
+        this.uharm28=resultEven;
+        this.uharm30=resultEven;
+        this.uharm32=resultEven;
+        this.uharm34=resultEven;
+        this.uharm36=resultEven;
+        this.uharm38=resultEven;
+        this.uharm40=resultEven;
+        this.uharm42=resultEven;
+        this.uharm44=resultEven;
+        this.uharm46=resultEven;
+        this.uharm48=resultEven;
+        this.uharm50=resultEven;
+
+
+        this.uharm3=resultOdd;
+        this.uharm5=resultOdd;
+        this.uharm7=resultOdd;
+        this.uharm9=resultOdd;
+        this.uharm11=resultOdd;
+        this.uharm13=resultOdd;
+        this.uharm15=resultOdd;
+        this.uharm17=resultOdd;
+        this.uharm19=resultOdd;
+        this.uharm21=resultOdd;
+        this.uharm23=resultOdd;
+        this.uharm25=resultOdd;
+        this.uharm27=resultOdd;
+        this.uharm29=resultOdd;
+        this.uharm31=resultOdd;
+        this.uharm33=resultOdd;
+        this.uharm35=resultOdd;
+        this.uharm37=resultOdd;
+        this.uharm39=resultOdd;
+        this.uharm41=resultOdd;
+        this.uharm43=resultOdd;
+        this.uharm45=resultOdd;
+        this.uharm47=resultOdd;
+        this.uharm49=resultOdd;
+    }
+
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/vo/AddDeviceUnitVO.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/vo/AddDeviceUnitVO.java
@@ -0,0 +1,60 @@
+package com.njcn.gather.tool.addledger.pojo.vo;
+
+import lombok.Data;
+
+/**
+ * 设备单位配置。
+ */
+@Data
+public class AddDeviceUnitVO {
+
+    private String devId;
+
+    private String unitFrequency;
+
+    private String unitFrequencyDev;
+
+    private String phaseVoltage;
+
+    private String lineVoltage;
+
+    private String voltageDev;
+
+    private String uvoltageDev;
+
+    private String ieffective;
+
+    private String singleP;
+
+    private String singleViewP;
+
+    private String singleNoP;
+
+    private String totalActiveP;
+
+    private String totalViewP;
+
+    private String totalNoP;
+
+    private String vfundEffective;
+
+    private String ifund;
+
+    private String fundActiveP;
+
+    private String fundNoP;
+
+    private String vdistortion;
+
+    private String vharmonicRate;
+
+    private String iharmonic;
+
+    private String pharmonic;
+
+    private String iiharmonic;
+
+    private String positiveV;
+
+    private String noPositiveV;
+}
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/vo/AddLedgerDetailVO.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/vo/AddLedgerDetailVO.java
@@ -1,5 +1,6 @@
 package com.njcn.gather.tool.addledger.pojo.vo;

+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
 import lombok.Data;

 import java.math.BigDecimal;
@@ -70,6 +71,10 @@ public class AddLedgerDetailVO {

    private BigDecimal protocolCapacity;

+    private Integer lineType;
+
+    private AddOverlimitPO overlimit;
+
    private String monitorObj;

    private Integer isGovern;
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/vo/AddLedgerLinePathVO.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/pojo/vo/AddLedgerLinePathVO.java
@@ -29,4 +29,7 @@ public class AddLedgerLinePathVO implements Serializable {
    private String lineId;

    private String lineName;
+
+    /** 监测点统计间隔，单位分钟。 */
+    private Integer lineInterval;
 }
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/service/AddLedgerService.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/service/AddLedgerService.java
@@ -1,10 +1,13 @@
 package com.njcn.gather.tool.addledger.service;

+import com.njcn.gather.tool.addledger.pojo.param.AddDeviceUnitSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEngineeringSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEquipmentSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerLinePathQueryParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerLineSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerProjectSaveParam;
+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
+import com.njcn.gather.tool.addledger.pojo.vo.AddDeviceUnitVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerDetailVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerLinePathVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerTreeNodeVO;
@@ -27,8 +30,14 @@ public interface AddLedgerService {

    AddLedgerDetailVO saveEquipment(AddLedgerEquipmentSaveParam param);

+    AddDeviceUnitVO getDeviceUnit(String devId);
+
+    AddDeviceUnitVO saveDeviceUnit(AddDeviceUnitSaveParam param);
+
    AddLedgerDetailVO saveLine(AddLedgerLineSaveParam param);

+    AddOverlimitPO getLineOverlimit(String lineId);
+
    List<Integer> availableLineNos(String deviceId, String lineId);

    Map<String, AddLedgerLinePathVO> listLinePathByLineIds(List<String> lineIds);
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/service/impl/AddLedgerServiceImpl.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/service/impl/AddLedgerServiceImpl.java
@@ -7,23 +7,30 @@ import com.njcn.gather.tool.addledger.mapper.AddLedgerEquipmentMapper;
 import com.njcn.gather.tool.addledger.mapper.AddLedgerLedgerMapper;
 import com.njcn.gather.tool.addledger.mapper.AddLedgerLineMapper;
 import com.njcn.gather.tool.addledger.mapper.AddLedgerProjectMapper;
+import com.njcn.gather.tool.addledger.mapper.AddDeviceUnitMapper;
+import com.njcn.gather.tool.addledger.mapper.AddOverlimitMapper;
 import com.njcn.gather.tool.addledger.pojo.constant.AddLedgerConst;
+import com.njcn.gather.tool.addledger.pojo.param.AddDeviceUnitSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEngineeringSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEquipmentSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerLinePathQueryParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerLineSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerProjectSaveParam;
+import com.njcn.gather.tool.addledger.pojo.po.AddDeviceUnit;
 import com.njcn.gather.tool.addledger.pojo.po.AddLedgerEngineeringPO;
 import com.njcn.gather.tool.addledger.pojo.po.AddLedgerEquipmentPO;
 import com.njcn.gather.tool.addledger.pojo.po.AddLedgerLedgerPO;
 import com.njcn.gather.tool.addledger.pojo.po.AddLedgerLinePO;
 import com.njcn.gather.tool.addledger.pojo.po.AddLedgerProjectPO;
+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
+import com.njcn.gather.tool.addledger.pojo.vo.AddDeviceUnitVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerDetailVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerLinePathVO;
 import com.njcn.gather.tool.addledger.pojo.vo.AddLedgerTreeNodeVO;
 import com.njcn.gather.tool.addledger.service.AddLedgerService;
 import com.njcn.gather.tool.addledger.util.AddLedgerIdUtil;
 import com.njcn.gather.tool.addledger.util.AddLedgerLineNoUtil;
+import com.njcn.gather.tool.addledger.util.COverlimitUtil;
 import com.njcn.web.utils.RequestUtil;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -51,6 +58,8 @@ public class AddLedgerServiceImpl implements AddLedgerService {
    private final AddLedgerEquipmentMapper equipmentMapper;
    private final AddLedgerLineMapper lineMapper;
    private final AddLedgerLedgerMapper ledgerMapper;
+    private final AddDeviceUnitMapper deviceUnitMapper;
+    private final AddOverlimitMapper overlimitMapper;
    private final AddLedgerTreeBuilder treeBuilder;

    @Override
@@ -167,6 +176,7 @@ public class AddLedgerServiceImpl implements AddLedgerService {
            equipment.setUsageStatus(AddLedgerConst.ENABLE);
            equipment.setSort(0);
            equipmentMapper.insert(equipment);
+            saveDefaultDeviceUnit(id);
            saveLedger(id, projectLedger.getId(), buildChildPids(projectLedger), equipment.getName(), AddLedgerConst.LEVEL_EQUIPMENT);
        } else {
            equipmentMapper.updateById(equipment);
@@ -175,6 +185,39 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        return detail(id, AddLedgerConst.LEVEL_EQUIPMENT);
    }

+    @Override
+    public AddDeviceUnitVO getDeviceUnit(String devId) {
+        String deviceId = requireText(devId, "设备 ID 不能为空");
+        requireEquipment(deviceId);
+        AddDeviceUnit unit = deviceUnitMapper.selectById(deviceId);
+        if (unit == null) {
+            unit = buildDefaultDeviceUnit(deviceId);
+        }
+        return buildDeviceUnitVO(unit);
+    }
+
+    @Override
+    @Transactional
+    public AddDeviceUnitVO saveDeviceUnit(AddDeviceUnitSaveParam param) {
+        if (param == null) {
+            throw new IllegalArgumentException("设备单位参数不能为空");
+        }
+        String deviceId = requireText(param.getDevId(), "设备 ID 不能为空");
+        requireEquipment(deviceId);
+        AddDeviceUnit unit = deviceUnitMapper.selectById(deviceId);
+        boolean create = unit == null;
+        if (create) {
+            unit = buildDefaultDeviceUnit(deviceId);
+        }
+        applyDeviceUnitParam(unit, param);
+        if (create) {
+            deviceUnitMapper.insert(unit);
+        } else {
+            deviceUnitMapper.updateById(unit);
+        }
+        return buildDeviceUnitVO(unit);
+    }
+
    @Override
    @Transactional
    public AddLedgerDetailVO saveLine(AddLedgerLineSaveParam param) {
@@ -206,6 +249,7 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        line.setDevCapacity(param.getDevCapacity());
        line.setBasicCapacity(param.getBasicCapacity());
        line.setProtocolCapacity(param.getProtocolCapacity());
+        line.setLineType(param.getLineType() == null ? AddLedgerConst.LINE_TYPE_MAIN : param.getLineType());
        line.setMonitorObj(trimToNull(param.getMonitorObj()));
        line.setIsGovern(param.getIsGovern() == null ? AddLedgerConst.DISABLE : param.getIsGovern());
        line.setMonitorUser(trimToNull(param.getMonitorUser()));
@@ -221,6 +265,7 @@ public class AddLedgerServiceImpl implements AddLedgerService {
            lineMapper.updateById(line);
            updateLedgerName(id, AddLedgerConst.LEVEL_LINE, line.getName());
        }
+        saveOrUpdateOverlimit(line);
        return detail(id, AddLedgerConst.LEVEL_LINE);
    }

@@ -231,6 +276,12 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        return AddLedgerLineNoUtil.resolveAvailableLineNos(usedLineNos, null);
    }

+    @Override
+    public AddOverlimitPO getLineOverlimit(String lineId) {
+        AddLedgerLinePO line = requireLine(lineId);
+        return overlimitMapper.selectById(line.getLineId());
+    }
+
    @Override
    public Map<String, AddLedgerLinePathVO> listLinePathByLineIds(List<String> lineIds) {
        List<String> normalizedLineIds = normalizeIds(lineIds);
@@ -296,6 +347,7 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        String updateBy = currentUserId();
        if (!lineIds.isEmpty()) {
            lineMapper.softDeleteByIds(lineIds, updateBy);
+            overlimitMapper.deleteBatchIds(lineIds);
        }
        if (!equipmentIds.isEmpty()) {
            equipmentMapper.softDeleteByIds(equipmentIds, updateBy);
@@ -344,6 +396,9 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        requireNonNegativeIfPresent(param.getDevCapacity(), "dev_capacity 不能为负数");
        requireNonNegativeIfPresent(param.getBasicCapacity(), "basic_capacity 不能为负数");
        requireNonNegativeIfPresent(param.getProtocolCapacity(), "protocol_capacity 不能为负数");
+        if (param.getLineType() != null && !AddLedgerConst.LINE_TYPES.contains(param.getLineType())) {
+            throw new IllegalArgumentException("lineType 只能是 0 或 1");
+        }
    }

    private void assertLineNoUnique(String deviceId, Integer lineNo, String lineId) {
@@ -437,6 +492,16 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        ledgerMapper.insert(ledger);
    }

+    private void saveDefaultDeviceUnit(String devId) {
+        deviceUnitMapper.insert(buildDefaultDeviceUnit(devId));
+    }
+
+    private AddDeviceUnit buildDefaultDeviceUnit(String devId) {
+        AddDeviceUnit unit = new AddDeviceUnit();
+        unit.setDevId(devId);
+        return unit;
+    }
+
    private void updateLedgerName(String id, Integer level, String name) {
        AddLedgerLedgerPO ledger = requireLedger(id, level, levelName(level) + "节点");
        ledger.setName(name);
@@ -493,6 +558,8 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        detail.setDevCapacity(line.getDevCapacity());
        detail.setBasicCapacity(line.getBasicCapacity());
        detail.setProtocolCapacity(line.getProtocolCapacity());
+        detail.setLineType(AddLedgerConst.LINE_TYPE_MAIN);
+        detail.setOverlimit(overlimitMapper.selectById(line.getLineId()));
        detail.setMonitorObj(line.getMonitorObj());
        detail.setIsGovern(line.getIsGovern());
        detail.setMonitorUser(line.getMonitorUser());
@@ -500,6 +567,83 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        return detail;
    }

+    private void saveOrUpdateOverlimit(AddLedgerLinePO line) {
+        AddOverlimitPO overlimit = COverlimitUtil.globalAssemble(
+                toFloat(line.getVolGrade()),
+                toFloat(line.getProtocolCapacity()),
+                toFloat(line.getDevCapacity()),
+                toFloat(line.getShortCircuitCapacity()),
+                null,
+                line.getLineType() == null ? AddLedgerConst.LINE_TYPE_MAIN : line.getLineType());
+        overlimit.setId(line.getLineId());
+        if (overlimitMapper.selectById(line.getLineId()) == null) {
+            overlimitMapper.insert(overlimit);
+        } else {
+            overlimitMapper.updateById(overlimit);
+        }
+    }
+
+    private Float toFloat(BigDecimal value) {
+        return value == null ? null : value.floatValue();
+    }
+
+    private void applyDeviceUnitParam(AddDeviceUnit unit, AddDeviceUnitSaveParam param) {
+        unit.setUnitFrequency(defaultIfBlank(param.getUnitFrequency(), unit.getUnitFrequency()));
+        unit.setUnitFrequencyDev(defaultIfBlank(param.getUnitFrequencyDev(), unit.getUnitFrequencyDev()));
+        unit.setPhaseVoltage(defaultIfBlank(param.getPhaseVoltage(), unit.getPhaseVoltage()));
+        unit.setLineVoltage(defaultIfBlank(param.getLineVoltage(), unit.getLineVoltage()));
+        unit.setVoltageDev(defaultIfBlank(param.getVoltageDev(), unit.getVoltageDev()));
+        unit.setUvoltageDev(defaultIfBlank(param.getUvoltageDev(), unit.getUvoltageDev()));
+        unit.setIeffective(defaultIfBlank(param.getIeffective(), unit.getIeffective()));
+        unit.setSingleP(defaultIfBlank(param.getSingleP(), unit.getSingleP()));
+        unit.setSingleViewP(defaultIfBlank(param.getSingleViewP(), unit.getSingleViewP()));
+        unit.setSingleNoP(defaultIfBlank(param.getSingleNoP(), unit.getSingleNoP()));
+        unit.setTotalActiveP(defaultIfBlank(param.getTotalActiveP(), unit.getTotalActiveP()));
+        unit.setTotalViewP(defaultIfBlank(param.getTotalViewP(), unit.getTotalViewP()));
+        unit.setTotalNoP(defaultIfBlank(param.getTotalNoP(), unit.getTotalNoP()));
+        unit.setVfundEffective(defaultIfBlank(param.getVfundEffective(), unit.getVfundEffective()));
+        unit.setIfund(defaultIfBlank(param.getIfund(), unit.getIfund()));
+        unit.setFundActiveP(defaultIfBlank(param.getFundActiveP(), unit.getFundActiveP()));
+        unit.setFundNoP(defaultIfBlank(param.getFundNoP(), unit.getFundNoP()));
+        unit.setVdistortion(defaultIfBlank(param.getVdistortion(), unit.getVdistortion()));
+        unit.setVharmonicRate(defaultIfBlank(param.getVharmonicRate(), unit.getVharmonicRate()));
+        unit.setIharmonic(defaultIfBlank(param.getIharmonic(), unit.getIharmonic()));
+        unit.setPharmonic(defaultIfBlank(param.getPharmonic(), unit.getPharmonic()));
+        unit.setIiharmonic(defaultIfBlank(param.getIiharmonic(), unit.getIiharmonic()));
+        unit.setPositiveV(defaultIfBlank(param.getPositiveV(), unit.getPositiveV()));
+        unit.setNoPositiveV(defaultIfBlank(param.getNoPositiveV(), unit.getNoPositiveV()));
+    }
+
+    private AddDeviceUnitVO buildDeviceUnitVO(AddDeviceUnit unit) {
+        AddDeviceUnitVO vo = new AddDeviceUnitVO();
+        vo.setDevId(unit.getDevId());
+        vo.setUnitFrequency(unit.getUnitFrequency());
+        vo.setUnitFrequencyDev(unit.getUnitFrequencyDev());
+        vo.setPhaseVoltage(unit.getPhaseVoltage());
+        vo.setLineVoltage(unit.getLineVoltage());
+        vo.setVoltageDev(unit.getVoltageDev());
+        vo.setUvoltageDev(unit.getUvoltageDev());
+        vo.setIeffective(unit.getIeffective());
+        vo.setSingleP(unit.getSingleP());
+        vo.setSingleViewP(unit.getSingleViewP());
+        vo.setSingleNoP(unit.getSingleNoP());
+        vo.setTotalActiveP(unit.getTotalActiveP());
+        vo.setTotalViewP(unit.getTotalViewP());
+        vo.setTotalNoP(unit.getTotalNoP());
+        vo.setVfundEffective(unit.getVfundEffective());
+        vo.setIfund(unit.getIfund());
+        vo.setFundActiveP(unit.getFundActiveP());
+        vo.setFundNoP(unit.getFundNoP());
+        vo.setVdistortion(unit.getVdistortion());
+        vo.setVharmonicRate(unit.getVharmonicRate());
+        vo.setIharmonic(unit.getIharmonic());
+        vo.setPharmonic(unit.getPharmonic());
+        vo.setIiharmonic(unit.getIiharmonic());
+        vo.setPositiveV(unit.getPositiveV());
+        vo.setNoPositiveV(unit.getNoPositiveV());
+        return vo;
+    }
+
    private AddLedgerDetailVO buildBaseDetail(AddLedgerLedgerPO ledger) {
        AddLedgerDetailVO detail = new AddLedgerDetailVO();
        detail.setId(ledger.getId());
@@ -551,6 +695,11 @@ public class AddLedgerServiceImpl implements AddLedgerService {
        return trimmed.isEmpty() ? null : trimmed;
    }

+    private String defaultIfBlank(String value, String defaultValue) {
+        String text = trimToNull(value);
+        return text == null ? defaultValue : text;
+    }
+
    private boolean isBlank(String value) {
        return trimToNull(value) == null;
    }
--- a/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/util/COverlimitUtil.java
+++ b/tools/add-ledger/src/main/java/com/njcn/gather/tool/addledger/util/COverlimitUtil.java
@@ -0,0 +1,414 @@
+package com.njcn.gather.tool.addledger.util;
+
+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.Arrays;
+
+
+/**
+ * pqs
+ * 限值计算工具类
+ *
+ * @author cdf
+ * @date 2023/5/15
+ */
+public class COverlimitUtil {
+
+    private static final float DEFAULT_LIMIT = 3.14159f;
+    private static final float DEFAULT_CURRENT_LIMIT = -3.14159f;
+    private static final int LINE_TYPE_DISTRIBUTION = 1;
+
+    private static final float KV_0_22 = 0.22f;
+    private static final float KV_0_6 = 0.6f;
+    private static final float KV_1 = 1.0f;
+    private static final float KV_6 = 6.0f;
+    private static final float KV_10 = 10.0f;
+    private static final float KV_20 = 20.0f;
+    private static final float KV_35 = 35.0f;
+    private static final float KV_66 = 66.0f;
+    private static final float KV_110 = 110.0f;
+    private static final float KV_220 = 220.0f;
+    private static final float KV_330 = 330.0f;
+    private static final float KV_500 = 500.0f;
+    private static final float KV_750 = 750.0f;
+    private static final float KV_1000 = 1000.0f;
+
+
+    /**
+     * 谐波电流系数
+     */
+    private static final double[][] ARR = {
+            {78, 62, 39, 62, 26, 44, 19, 21, 16, 28, 13, 24, 11, 12, 9.7, 18, 8.6, 16, 7.8, 8.9, 7.1, 14, 6.5, 12, 6.0, 6.9, 5.6, 11, 5.2, 10, 4.9, 5.6, 4.6, 8.9, 4.3, 8.4, 4.1, 4.8, 3.9, 7.6, 3.7, 7.2, 3.5, 4.1, 3.4, 6.6, 3.3, 6.3, 3.1},
+            {43, 34, 21, 34, 14, 24, 11, 11, 8.5, 16, 7.1, 13, 6.1, 6.8, 5.3, 10, 4.7, 9, 4.3, 4.9, 3.9, 7.4, 3.6, 6.8, 3.3, 3.8, 3.1, 5.9, 2.9, 5.5, 2.7, 3.1, 2.5, 4.9, 2.4, 4.6, 2.3, 2.6, 2.2, 4.1, 2.0, 4.0, 2.0, 2.3, 1.9, 3.6, 1.8, 3.5, 1.7},
+            {26, 20, 13, 20, 8.5, 15, 6.4, 6.8, 5.1, 9.3, 4.3, 7.9, 3.7, 4.1, 3.2, 6, 2.8, 5.4, 2.6, 2.9, 2.3, 4.5, 2.1, 4.1, 2.0, 2.2, 1.9, 3.4, 1.7, 3.2, 1.6, 1.8, 1.5, 2.9, 1.4, 2.7, 1.4, 1.5, 1.3, 2.4, 1.2, 2.3, 1.2, 1.3, 1.1, 2.1, 1.1, 2.0, 1.0},
+            {15, 12, 7.7, 12, 5.1, 8.8, 3.8, 4.1, 3.1, 5.6, 2.6, 4.7, 2.2, 2.5, 1.9, 3.6, 1.7, 3.2, 1.5, 1.8, 1.4, 2.7, 1.3, 2.5, 1.2, 1.3, 1.1, 2.1, 1.0, 1.9, 0.9, 1.1, 0.9, 1.7, 0.8, 1.6, 0.8, 0.9, 0.8, 1.5, 0.7, 1.4, 0.7, 0.8, 0.7, 1.3, 0.6, 1.2, 0.6},
+            {16, 13, 8.1, 13, 5.4, 9.3, 4.1, 4.3, 3.3, 5.9, 2.7, 5, 2.3, 2.6, 2, 3.8, 1.8, 3.4, 1.6, 1.9, 1.5, 2.8, 1.4, 2.6, 1.2, 1.4, 1.1, 2.2, 1.1, 2.1, 1.0, 1.2, 0.9, 1.9, 0.9, 1.8, 0.8, 1.0, 0.8, 1.6, 0.8, 1.5, 0.7, 0.9, 0.7, 1.4, 0.7, 1.3, 0.6},
+            {12, 9.6, 6, 9.6, 4, 6.8, 3, 3.2, 2.4, 4.3, 2, 3.7, 1.7, 1.9, 1.5, 2.8, 1.3, 2.5, 1.2, 1.4, 1.1, 2.1, 1, 1.9, 0.9, 1.1, 0.9, 1.7, 0.8, 1.5, 0.8, 0.9, 0.7, 1.4, 0.7, 1.3, 0.6, 0.7, 0.6, 1.2, 0.6, 1.1, 0.5, 0.6, 0.5, 1.0, 0.5, 1.0, 0.5}
+    };
+
+
+    /**
+     * 计算监测点限值
+     * @param voltageLevel 电压等级（10kV = 10 220kV = 220 ）
+     * @param protocolCapacity 协议容量
+     * @param devCapacity 设备容量
+     * @param shortCapacity 短路容量
+     * @param powerFlag 0.用户侧 1.电网侧
+     * @param lineType 0.主网 1.配网 需要注意配网目前没有四种容量，谐波电流幅值限值,负序电流限值无法计算默认-3.14159
+     */
+    public static AddOverlimitPO globalAssemble(Float voltageLevel, Float protocolCapacity, Float devCapacity,
+                                                Float shortCapacity, Integer powerFlag, Integer lineType) {
+        if (voltageLevel == null) {
+            throw new IllegalArgumentException("电压等级不能为空");
+        }
+        AddOverlimitPO overlimit = new AddOverlimitPO();
+        voltageDeviation(overlimit,voltageLevel);
+        frequency(overlimit);
+        voltageFluctuation(overlimit,voltageLevel);
+        voltageFlicker(overlimit,voltageLevel);
+        totalHarmonicDistortion(overlimit,voltageLevel);
+        uHarm(overlimit,voltageLevel);
+        threeVoltageUnbalance(overlimit);
+        interharmonicCurrent(overlimit,voltageLevel);
+
+        if(isDistributionLine(lineType)) {
+          //配网
+            Float[] iHarmTem = new Float[49];
+            for (int i = 0; i <= 48; i++) {
+                //目前只处理了配网II类测点，III类测点暂未处理，III类测点参考主网
+                iHarmTem[i] = getHarmTag(i+2,voltageLevel).floatValue();
+            }
+            overlimit.buildIHarm(iHarmTem);
+            overlimit.setINeg(DEFAULT_CURRENT_LIMIT);
+        }else if (hasMainNetworkCapacity(protocolCapacity, devCapacity, shortCapacity)) {
+            //主网
+            iHarm(overlimit, voltageLevel, protocolCapacity, devCapacity, shortCapacity);
+            negativeSequenceCurrent(overlimit, voltageLevel, shortCapacity);
+        } else {
+            setDefaultCurrentLimit(overlimit);
+        }
+        return overlimit;
+    }
+
+    private static boolean isDistributionLine(Integer lineType) {
+        return lineType != null && lineType == LINE_TYPE_DISTRIBUTION;
+    }
+
+    private static boolean hasMainNetworkCapacity(Float protocolCapacity, Float devCapacity, Float shortCapacity) {
+        return protocolCapacity != null && devCapacity != null && shortCapacity != null
+                && devCapacity > 0 && shortCapacity > 0;
+    }
+
+    private static void setDefaultCurrentLimit(AddOverlimitPO overlimit) {
+        Float[] iHarmTem = new Float[49];
+        Arrays.fill(iHarmTem, DEFAULT_CURRENT_LIMIT);
+        overlimit.buildIHarm(iHarmTem);
+        overlimit.setINeg(DEFAULT_CURRENT_LIMIT);
+    }
+
+
+    /**
+     * 电压偏差限值
+     *
+     */
+    public static void voltageDeviation(AddOverlimitPO overlimit,Float voltageLevel) {
+        float voltageDev = DEFAULT_LIMIT,uvoltageDev = DEFAULT_LIMIT;
+        if(voltageLevel <= KV_0_22){
+            voltageDev = 7.0f;
+            uvoltageDev=-10.0f;
+        }else if(voltageLevel>KV_0_22&&voltageLevel<KV_20){
+            voltageDev = 7.0f;
+            uvoltageDev=-7.0f;
+        }else if(voltageLevel>=KV_20&&voltageLevel<KV_35){
+            voltageDev = 7.0f;
+            uvoltageDev=-7.0f;
+        }else if(voltageLevel>=KV_35&&voltageLevel<KV_66){
+            voltageDev = 10.0f;
+            uvoltageDev=-10.0f;
+        }else if(voltageLevel>=KV_66&&voltageLevel<=KV_110){
+            voltageDev = 7.0f;
+            uvoltageDev=-3.0f;
+        }else if(voltageLevel>KV_110){
+            voltageDev = 10.0f;
+            uvoltageDev=-10.0f;
+        }
+        overlimit.setVoltageDev(voltageDev);
+        overlimit.setUvoltageDev(uvoltageDev);
+    }
+
+
+    /**
+     * 频率偏差
+     * 默认限值：±0.2Hz（即：-0.2 Hz≤限值≤0.2 Hz）
+     */
+    public static void frequency(AddOverlimitPO overlimit) {
+        overlimit.setFreqDev(0.2f);
+    }
+
+
+    /**
+     * 电压波动
+     * 对LV、MV：0≤限值≤3%；对HV：0≤限值≤2.5%。
+     * LV、MV、HV的定义：
+     * 低压（LV）                 UN≤1kV
+     * 中压（MV）          1kV＜UN≤35kV
+     * 高压（HV）         35kV＜UN≤220kV
+     * 超高压（EHV），220kV＜UN，参照HV执行
+     */
+    public static void voltageFluctuation(AddOverlimitPO overlimit, Float voltageLevel) {
+        if (voltageLevel < KV_35) {
+            overlimit.setVoltageFluctuation(3.0f);
+        } else {
+            overlimit.setVoltageFluctuation(2.5f);
+        }
+    }
+
+
+
+    /**
+     * 电压闪变
+     * ≤110kV	1
+     * ＞110kV	0.8
+     */
+    public static void voltageFlicker(AddOverlimitPO overlimit, Float voltageLevel) {
+        if (voltageLevel <= KV_110) {
+            overlimit.setFlicker(1.0f);
+        } else {
+            overlimit.setFlicker(0.8f);
+        }
+    }
+
+
+    /**
+     * 总谐波电压畸变率
+     *
+     *
+     */
+    public static void totalHarmonicDistortion(AddOverlimitPO overlimit, Float voltageLevel) {
+        float result = DEFAULT_LIMIT;
+        if (voltageLevel < KV_6) {
+            result = 5.0f;
+        } else if(voltageLevel >= KV_6 && voltageLevel <= KV_20){
+            result = 4.0f;
+        } else if(voltageLevel >= KV_35 && voltageLevel <= KV_66){
+            result = 3.0f;
+        } else if(voltageLevel >= KV_110 && voltageLevel <= KV_1000){
+            result = 2.0f;
+        }
+        overlimit.setUaberrance(result);
+    }
+
+
+
+    /**
+     * 谐波电压含有率
+     */
+    public static void uHarm(AddOverlimitPO overlimit, Float voltageLevel) {
+        float resultOdd = DEFAULT_LIMIT,resultEven = DEFAULT_LIMIT;
+        if (voltageLevel < KV_6) {
+            resultOdd = 4.0f;
+            resultEven = 2.0f;
+        } else if(voltageLevel >= KV_6 && voltageLevel <= KV_20){
+            resultOdd = 3.2f;
+            resultEven = 1.6f;
+        } else if(voltageLevel >= KV_35 && voltageLevel <= KV_66){
+            resultOdd = 2.4f;
+            resultEven = 1.2f;
+        } else if(voltageLevel >= KV_110 && voltageLevel <= KV_1000){
+            resultOdd = 1.6f;
+            resultEven = 0.8f;
+        }
+        overlimit.buildUharm(resultEven,resultOdd);
+    }
+
+
+    /**
+     * 负序电压不平衡（三相电压不平衡度）
+     *
+     */
+    public static void threeVoltageUnbalance(AddOverlimitPO overlimit) {
+        overlimit.setUbalance(2.0f);
+        overlimit.setShortUbalance(4.0f);
+    }
+
+
+    /*---------------------------------谐波电流限值start-----------------------------------*/
+
+    /**
+     * 谐波电流限值
+     */
+    public static void iHarm(AddOverlimitPO overlimit, Float voltageLevel,Float protocolCapacity,Float devCapacity,Float shortCapacity) {
+        float calCap = shortCapacity/getDlCapByVoltageLevel(voltageLevel);
+        //24谐波电流幅值
+        Float[] iHarmTem = new Float[49];
+        for (int i = 0; i <= 48; i++) {
+            float inHarm = iHarmCalculate(i+2,voltageLevel,protocolCapacity,devCapacity,calCap);
+            iHarmTem[i] = inHarm;
+        }
+        overlimit.buildIHarm(iHarmTem);
+    }
+    /**
+    * @Description: iHarmCalculate
+    * @Param:  protocolCapacity 协议容量 devCapacity设备容量 calCap 短路容量
+    * @return: float
+    * @Author: clam
+    * @Date: 2024/2/4
+    */
+    private static float iHarmCalculate(int nHarm, Float voltageLevel,float protocolCapacity, float devCapacity,float calCap) {
+        double tag = calCap*getHarmTag(nHarm,voltageLevel);
+        Double limit =  getHarmonicLimit(nHarm,tag,new BigDecimal(String.valueOf(devCapacity)).doubleValue(),new BigDecimal(String.valueOf(protocolCapacity)).doubleValue());
+        BigDecimal bigDecimal = BigDecimal.valueOf(limit).setScale(4,RoundingMode.HALF_UP);
+        return bigDecimal.floatValue();
+    }
+
+
+    /**
+     * 电流谐波限值
+     */
+    private static Double getHarmTag(Integer iCount, Float voltageLevel) {
+        int x, y;
+        if (voltageLevel < KV_6) {
+            x = 0;
+        } else if (voltageLevel<KV_10) {
+            x = 1;
+        } else if (voltageLevel<KV_35) {
+            x = 2;
+        } else if (voltageLevel<KV_66) {
+            x = 3;
+        } else if (voltageLevel<KV_110) {
+            x = 4;
+        } else {
+            x = 5;
+        }
+        y = iCount - 2;
+        return ARR[x][y];
+    }
+
+    /**
+     * 相位叠加系数的取值
+     */
+    public static Double getHarmonicLimit(Integer times, double iTag, double supply, double user) {
+        if (supply == 0) {
+            return 0.0;
+        }
+        double coefficient = 2.0;
+        if (times == 3) {
+            coefficient = 1.1;
+        } else if (times == 5) {
+            coefficient = 1.2;
+        } else if (times == 7) {
+            coefficient = 1.4;
+        } else if (times == 11) {
+            coefficient = 1.8;
+        } else if (times == 13) {
+            coefficient = 1.9;
+        }
+        BigDecimal bd = new BigDecimal(iTag * Math.pow((user / supply), (1 / coefficient)));
+        bd = bd.setScale(6, RoundingMode.HALF_UP);
+        return Double.parseDouble(bd.toString());
+    }
+
+    /**
+     * 根据电压等级获取基准短路容量
+     */
+    public static float getDlCapByVoltageLevel(Float voltageLevel){
+        float capValue;
+        if(voltageLevel< KV_0_6){
+            capValue = 10;
+        }else if(voltageLevel<KV_20){
+            capValue = 100;
+        }else if(voltageLevel<KV_35){
+            capValue = 200;
+        }else if(voltageLevel<KV_66){
+            capValue = 250;
+        }else if(voltageLevel<KV_110){
+            capValue = 500;
+        }else if(voltageLevel<KV_220){
+            capValue = 750;
+        }else if(voltageLevel<KV_330){
+            capValue = 2000;
+        }else if(voltageLevel<KV_500){
+            capValue = 3000;
+        }else if(voltageLevel<KV_750){
+            capValue = 4500;
+        }else if(voltageLevel<KV_1000){
+            capValue = 7000;
+        }else {
+            capValue = 9000;
+        }
+        return capValue;
+    }
+
+
+    /*---------------------------------谐波电流限值end-----------------------------------*/
+
+
+    /**
+     * 间谐波电压含有率
+     */
+
+    public static void interharmonicCurrent(AddOverlimitPO overlimit,Float voltageLevel){
+        float aValue,bValue;
+        if(voltageLevel <= KV_1){
+            aValue = 0.2f;bValue = 0.5f;
+        }else {
+            aValue = 0.16f;bValue = 0.4f;
+        }
+        overlimit.setInuharm1(aValue);
+        overlimit.setInuharm2(aValue);
+
+        overlimit.setInuharm3(bValue);
+        overlimit.setInuharm4(bValue);
+        overlimit.setInuharm5(bValue);
+        overlimit.setInuharm6(bValue);
+        overlimit.setInuharm7(bValue);
+        overlimit.setInuharm8(bValue);
+        overlimit.setInuharm9(bValue);
+        overlimit.setInuharm10(bValue);
+        overlimit.setInuharm11(bValue);
+        overlimit.setInuharm12(bValue);
+        overlimit.setInuharm13(bValue);
+        overlimit.setInuharm14(bValue);
+        overlimit.setInuharm15(bValue);
+        overlimit.setInuharm16(bValue);
+    }
+
+
+    /**
+     * 负序电流限值
+     */
+    public static void negativeSequenceCurrent(AddOverlimitPO overlimit,Float voltageLevel,Float shortCapacity){
+        double v = (0.013*shortCapacity*1000)/(getUl(voltageLevel)*Math.sqrt(3));
+        overlimit.setINeg((float) v);
+    }
+
+    /**
+     * 获取额定线电压
+     */
+    private static float getUl(Float voltageLevel){
+        float value;
+        if(voltageLevel<KV_6){
+            value = 0.4f;
+        }else if(voltageLevel<KV_10){
+            value = 6.3f;
+        }else if(voltageLevel<KV_20){
+            value = 10.5f;
+        }else if(voltageLevel<KV_35){
+            value = 21.0f;
+        }else if(voltageLevel<KV_66){
+            value = 36.5f;
+        }else if(voltageLevel<KV_110){
+            value = 69.0f;
+        }else if(voltageLevel<KV_220){
+            value = 115.5f;
+        }else if(voltageLevel<KV_330){
+            value = 230.0f;
+        }else {
+            value = 345.0f;
+        }
+        return value;
+    }
+
+}
--- a/tools/add-ledger/src/test/java/com/njcn/gather/tool/addledger/service/impl/AddLedgerServiceImplTest.java
+++ b/tools/add-ledger/src/test/java/com/njcn/gather/tool/addledger/service/impl/AddLedgerServiceImplTest.java
@@ -6,15 +6,28 @@ import com.njcn.gather.tool.addledger.mapper.AddLedgerEquipmentMapper;
 import com.njcn.gather.tool.addledger.mapper.AddLedgerLedgerMapper;
 import com.njcn.gather.tool.addledger.mapper.AddLedgerLineMapper;
 import com.njcn.gather.tool.addledger.mapper.AddLedgerProjectMapper;
+import com.njcn.gather.tool.addledger.mapper.AddDeviceUnitMapper;
+import com.njcn.gather.tool.addledger.mapper.AddOverlimitMapper;
 import com.njcn.gather.tool.addledger.pojo.constant.AddLedgerConst;
+import com.njcn.gather.tool.addledger.pojo.param.AddDeviceUnitSaveParam;
+import com.njcn.gather.tool.addledger.pojo.param.AddLedgerEquipmentSaveParam;
 import com.njcn.gather.tool.addledger.pojo.param.AddLedgerLineSaveParam;
+import com.njcn.gather.tool.addledger.pojo.po.AddDeviceUnit;
+import com.njcn.gather.tool.addledger.pojo.po.AddLedgerEquipmentPO;
+import com.njcn.gather.tool.addledger.pojo.po.AddLedgerLedgerPO;
+import com.njcn.gather.tool.addledger.pojo.po.AddLedgerLinePO;
+import com.njcn.gather.tool.addledger.pojo.po.AddOverlimitPO;
+import com.njcn.gather.tool.addledger.pojo.vo.AddDeviceUnitVO;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;

 import java.math.BigDecimal;

+import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;

 class AddLedgerServiceImplTest {
@@ -24,6 +37,8 @@ class AddLedgerServiceImplTest {
    private final AddLedgerEquipmentMapper equipmentMapper = mock(AddLedgerEquipmentMapper.class);
    private final AddLedgerLineMapper lineMapper = mock(AddLedgerLineMapper.class);
    private final AddLedgerLedgerMapper ledgerMapper = mock(AddLedgerLedgerMapper.class);
+    private final AddDeviceUnitMapper deviceUnitMapper = mock(AddDeviceUnitMapper.class);
+    private final AddOverlimitMapper overlimitMapper = mock(AddOverlimitMapper.class);
    private final AddLedgerTreeBuilder treeBuilder = mock(AddLedgerTreeBuilder.class);

    private final AddLedgerServiceImpl service = new AddLedgerServiceImpl(
@@ -32,6 +47,8 @@ class AddLedgerServiceImplTest {
            equipmentMapper,
            lineMapper,
            ledgerMapper,
+            deviceUnitMapper,
+            overlimitMapper,
            treeBuilder);

    @Test
@@ -50,6 +67,65 @@ class AddLedgerServiceImplTest {
                + "。如果是新增监测点，请不要传 lineId；如果是编辑监测点，请传已存在的测点 ID", exception.getMessage());
    }

+    @Test
+    void saveEquipmentShouldCreateDefaultDeviceUnitWhenCreatingEquipment() {
+        AddLedgerEquipmentSaveParam param = buildValidEquipmentParam();
+        AddLedgerLedgerPO projectLedger = buildLedger("project-001", "engineering-001",
+                AddLedgerConst.ROOT_PARENT_ID + ",engineering-001", AddLedgerConst.LEVEL_PROJECT);
+        AddLedgerLedgerPO engineeringLedger = buildLedger("engineering-001", AddLedgerConst.ROOT_PARENT_ID,
+                AddLedgerConst.ROOT_PARENT_ID, AddLedgerConst.LEVEL_ENGINEERING);
+
+        when(ledgerMapper.selectActiveNode(eq("project-001"), eq(AddLedgerConst.LEVEL_PROJECT))).thenReturn(projectLedger);
+        when(ledgerMapper.selectActiveNode(eq("engineering-001"), eq(AddLedgerConst.LEVEL_ENGINEERING))).thenReturn(engineeringLedger);
+        when(ledgerMapper.selectActiveNode(any(String.class), eq(AddLedgerConst.LEVEL_EQUIPMENT)))
+                .thenAnswer(invocation -> buildLedger(invocation.getArgument(0), "project-001",
+                        AddLedgerConst.ROOT_PARENT_ID + ",engineering-001,project-001", AddLedgerConst.LEVEL_EQUIPMENT));
+        when(equipmentMapper.selectOne(any())).thenReturn(buildActiveEquipment("device-001"));
+
+        service.saveEquipment(param);
+
+        ArgumentCaptor<AddDeviceUnit> captor = ArgumentCaptor.forClass(AddDeviceUnit.class);
+        verify(deviceUnitMapper).insert(captor.capture());
+        Assertions.assertNotNull(captor.getValue().getDevId());
+        Assertions.assertEquals("Hz", captor.getValue().getUnitFrequency());
+        Assertions.assertEquals("kV", captor.getValue().getPhaseVoltage());
+    }
+
+    @Test
+    void saveDeviceUnitShouldUpdateExistingDeviceUnit() {
+        AddDeviceUnit existing = new AddDeviceUnit();
+        existing.setDevId("device-001");
+        when(deviceUnitMapper.selectById(eq("device-001"))).thenReturn(existing);
+        when(equipmentMapper.selectOne(any())).thenReturn(buildActiveEquipment("device-001"));
+
+        AddDeviceUnitSaveParam param = new AddDeviceUnitSaveParam();
+        param.setDevId("device-001");
+        param.setUnitFrequency("MHz");
+        param.setPhaseVoltage("V");
+
+        AddDeviceUnitVO result = service.saveDeviceUnit(param);
+
+        verify(deviceUnitMapper).updateById(any(AddDeviceUnit.class));
+        Assertions.assertEquals("device-001", result.getDevId());
+        Assertions.assertEquals("MHz", result.getUnitFrequency());
+        Assertions.assertEquals("V", result.getPhaseVoltage());
+    }
+
+    @Test
+    void getLineOverlimitShouldQueryExistingLineOverlimit() {
+        AddLedgerLinePO line = new AddLedgerLinePO();
+        line.setLineId("line-001");
+        AddOverlimitPO overlimit = new AddOverlimitPO();
+        overlimit.setId("line-001");
+
+        when(lineMapper.selectOne(any())).thenReturn(line);
+        when(overlimitMapper.selectById(eq("line-001"))).thenReturn(overlimit);
+
+        AddOverlimitPO result = service.getLineOverlimit("line-001");
+
+        Assertions.assertSame(overlimit, result);
+    }
+
    private AddLedgerLineSaveParam buildValidLineParam() {
        AddLedgerLineSaveParam param = new AddLedgerLineSaveParam();
        param.setDeviceId("device-001");
@@ -63,4 +139,33 @@ class AddLedgerServiceImplTest {
        param.setPt2Ratio(BigDecimal.ONE);
        return param;
    }
+
+    private AddLedgerEquipmentSaveParam buildValidEquipmentParam() {
+        AddLedgerEquipmentSaveParam param = new AddLedgerEquipmentSaveParam();
+        param.setProjectId("project-001");
+        param.setName("设备A");
+        param.setNdid("ndid-001");
+        param.setMac("00:11:22:33:44:55");
+        param.setDevModel("model-001");
+        return param;
+    }
+
+    private AddLedgerLedgerPO buildLedger(String id, String pid, String pids, Integer level) {
+        AddLedgerLedgerPO ledger = new AddLedgerLedgerPO();
+        ledger.setId(id);
+        ledger.setPid(pid);
+        ledger.setPids(pids);
+        ledger.setLevel(level);
+        ledger.setState(AddLedgerConst.STATE_NORMAL);
+        ledger.setName(id);
+        return ledger;
+    }
+
+    private AddLedgerEquipmentPO buildActiveEquipment(String id) {
+        AddLedgerEquipmentPO equipment = new AddLedgerEquipmentPO();
+        equipment.setId(id);
+        equipment.setName("设备A");
+        equipment.setRunStatus(AddLedgerConst.EQUIPMENT_RUN_STATUS_OFFLINE);
+        return equipment;
+    }
 }
Author	SHA1	Message	Date
yexb	5f6c10b9cb	feat(add-ledger): 新增线路类型和设备单位管理功能 - 添加线路类型常量定义（主网0，配网1）及验证逻辑 - 新增设备单位查询和保存接口及实现 - 新增监测点限值查询接口 - 扩展AddLedgerDetailVO和AddLedgerLinePO实体类以支持线路类型字段 - 在测点保存时自动计算并保存限值信息 - 添加设备单位默认配置初始化逻辑 - 新增COverlimitUtil工具类用于限值计算 - 完善相关单元测试用例	2026-05-29 15:15:22 +08:00
yexb	66d351afe4	feat(steady): 新增数据校验功能并优化稳态趋势查询 - 在 AddLedgerLineMapper.xml 中添加 lineInterval 字段映射 - 在 AddLedgerLinePathVO 中添加 lineInterval 属性用于存储统计间隔 - 为稳态趋势查询服务添加详细的执行日志记录和性能监控 - 重构 InfluxDB 查询组件，添加诊断信息构建方法和异常处理 - 限制谐波次数最大展示数量从 6 个调整为 3 个 - 新增数据校验相关组件、控制器和服务实现 - 实现数据连续性检查和缺失数据统计功能 - 添加数据校验查询参数和返回结果的数据结构定义 - 完善相关单元测试确保功能正确性	2026-05-27 08:04:49 +08:00
yexb	e5369fef5a	docs: 规划deploy Linux远程运维实现	2026-05-21 21:13:17 +08:00
yexb	ba8bc43377	docs: 设计deploy Linux远程运维方案	2026-05-21 16:44:42 +08:00