文件上传下载功能

2024-09-11 11:37:58 +08:00
parent 9dab90ab88
commit 72e81b1b6d
45 changed files with 1611 additions and 400 deletions
--- a/iot-access/access-api/src/main/java/com/njcn/access/api/AskDeviceDataFeignClient.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/api/AskDeviceDataFeignClient.java
@@ -0,0 +1,27 @@
+package com.njcn.access.api;
+
+import com.njcn.access.api.fallback.AskDeviceDataClientFallbackFactory;
+import com.njcn.common.pojo.constant.ServerInfo;
+import com.njcn.common.pojo.response.HttpResult;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+/**
+ * @author xy
+ */
+@FeignClient(value = ServerInfo.ACCESS_BOOT, path = "/askDeviceData", fallbackFactory = AskDeviceDataClientFallbackFactory.class,contextId = "askDeviceData")
+public interface AskDeviceDataFeignClient {
+
+    @PostMapping("/askDeviceRootPath")
+    HttpResult<String> askDeviceRootPath(@RequestParam("nDid") String nDid);
+
+    @PostMapping("/askDeviceFileOrDir")
+    HttpResult<String> askDeviceFileOrDir(@RequestParam("nDid") String nDid, @RequestParam("name") String name);
+
+    @PostMapping("/downloadFile")
+    HttpResult<Boolean> downloadFile(@RequestParam("nDid") String nDid, @RequestParam("name") String name, @RequestParam("size") Integer size, @RequestParam("fileCheck") String fileCheck);
+
+    @PostMapping("/rebootDevice")
+    HttpResult<String> rebootDevice(@RequestParam("nDid") String nDid);
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/api/CsSoftInfoFeignClient.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/api/CsSoftInfoFeignClient.java
@@ -0,0 +1,20 @@
+package com.njcn.access.api;
+
+import com.njcn.access.api.fallback.CsSoftInfoClientFallbackFactory;
+import com.njcn.access.pojo.po.CsSoftInfoPO;
+import com.njcn.common.pojo.constant.ServerInfo;
+import com.njcn.common.pojo.response.HttpResult;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+/**
+ * @author xy
+ */
+@FeignClient(value = ServerInfo.ACCESS_BOOT, path = "/csSoftInfo", fallbackFactory = CsSoftInfoClientFallbackFactory.class,contextId = "csSoftInfo")
+public interface CsSoftInfoFeignClient {
+
+    @PostMapping("/findSoftInfo")
+    HttpResult<CsSoftInfoPO> findSoftInfo(@RequestParam("id") String id);
+
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/api/fallback/AskDeviceDataClientFallbackFactory.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/api/fallback/AskDeviceDataClientFallbackFactory.java
@@ -0,0 +1,60 @@
+package com.njcn.access.api.fallback;
+
+import com.njcn.access.api.AskDeviceDataFeignClient;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.common.pojo.response.HttpResult;
+import com.njcn.redis.utils.RedisUtil;
+import feign.hystrix.FallbackFactory;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+/**
+ * @author xy
+ */
+@Slf4j
+@Component
+public class AskDeviceDataClientFallbackFactory implements FallbackFactory<AskDeviceDataFeignClient> {
+
+    @Resource
+    private RedisUtil redisUtil;
+
+    @Override
+    public AskDeviceDataFeignClient create(Throwable cause) {
+        //判断抛出异常是否为解码器抛出的业务异常
+        Enum<?> exceptionEnum = CommonResponseEnum.SERVICE_FALLBACK;
+        if (cause.getCause() instanceof BusinessException) {
+            BusinessException businessException = (BusinessException) cause.getCause();
+        }
+        Enum<?> finalExceptionEnum = exceptionEnum;
+        return new AskDeviceDataFeignClient() {
+            @Override
+            public HttpResult<String> askDeviceRootPath(String nDid) {
+                log.error("{}异常，降级处理，异常为：{}","平台询问装置报文",cause.toString());
+                throw new BusinessException(finalExceptionEnum);
+            }
+
+            @Override
+            public HttpResult<String> askDeviceFileOrDir(String nDid, String name) {
+                log.error("{}异常，降级处理，异常为：{}","设备文件/目录信息询问",cause.toString());
+                throw new BusinessException(finalExceptionEnum);
+            }
+
+            @Override
+            public HttpResult<Boolean> downloadFile(String nDid, String name, Integer size, String fileCheck) {
+                log.error("{}异常，降级处理，异常为：{}","文件下载",cause.toString());
+                redisUtil.delete("fileDowning");
+                redisUtil.delete("fileCheck"+name);
+                throw new BusinessException(finalExceptionEnum);
+            }
+
+            @Override
+            public HttpResult<String> rebootDevice(String nDid) {
+                log.error("{}异常，降级处理，异常为：{}","设备重启",cause.toString());
+                throw new BusinessException(finalExceptionEnum);
+            }
+        };
+    }
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/api/fallback/CsSoftInfoClientFallbackFactory.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/api/fallback/CsSoftInfoClientFallbackFactory.java
@@ -0,0 +1,34 @@
+package com.njcn.access.api.fallback;
+
+import com.njcn.access.api.CsSoftInfoFeignClient;
+import com.njcn.access.pojo.po.CsSoftInfoPO;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.common.pojo.response.HttpResult;
+import feign.hystrix.FallbackFactory;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+/**
+ * @author xy
+ */
+@Slf4j
+@Component
+public class CsSoftInfoClientFallbackFactory implements FallbackFactory<CsSoftInfoFeignClient> {
+    @Override
+    public CsSoftInfoFeignClient create(Throwable cause) {
+        //判断抛出异常是否为解码器抛出的业务异常
+        Enum<?> exceptionEnum = CommonResponseEnum.SERVICE_FALLBACK;
+        if (cause.getCause() instanceof BusinessException) {
+            BusinessException businessException = (BusinessException) cause.getCause();
+        }
+        Enum<?> finalExceptionEnum = exceptionEnum;
+        return new CsSoftInfoFeignClient() {
+            @Override
+            public HttpResult<CsSoftInfoPO> findSoftInfo(String id) {
+                log.error("{}异常，降级处理，异常为：{}","获取装置软件信息",cause.toString());
+                throw new BusinessException(finalExceptionEnum);
+            }
+        };
+    }
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/enums/AccessResponseEnum.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/enums/AccessResponseEnum.java
@@ -14,10 +14,10 @@ public enum AccessResponseEnum {
     * A0301 ~ A0399 用于用户模块的枚举
     * <p>
     */
-    NDID_NO_FIND("A0301", "此设备未录入!"),
-    NDID_SAME_STEP("A0301", "此设备已注册!"),
+    NDID_NO_FIND("A0301", "此装置未录入!"),
+    NDID_SAME_STEP("A0301", "此装置已注册!"),

-    MISSING_CLIENT("A0302","设备客户端不在线!"),
+    MISSING_CLIENT("A0302","装置端不在线!"),
    MODEL_REPEAT("A0302", "模板存在,请勿重复录入!"),
    MODEL_NO_FIND("A0302", "模板不存在,请先录入模板数据!"),
    MODEL_ERROR("A0302", "模板未找到,生成监测点失败!"),
@@ -30,7 +30,7 @@ public enum AccessResponseEnum {
    DEV_MODEL_NOT_FIND("A0303","装置型号未找到!"),
    DEV_IS_NOT_ZL("A0303","注册装置不是直连装置!"),
    DEV_IS_NOT_WG("A0303","注册装置不是网关!"),
-    DEV_IS_NOT_PORTABLE("A0303","注册装置不是便携式设备!"),
+    DEV_IS_NOT_PORTABLE("A0303","注册装置不是便携式装置!"),

    REGISTER_RESPONSE_ERROR("A0304","装置注册,装置侧应答失败!"),
    ACCESS_RESPONSE_ERROR("A0304","装置注册,装置侧应答失败!"),
@@ -62,7 +62,7 @@ public enum AccessResponseEnum {
    RELOAD_UPLOAD_ERROR("A0308","平台重新上送文件异常"),

    CLDID_IS_NULL("A0309","逻辑子设备标识为空"),
-    MODULE_NUMBER_IS_NULL("A0309","设备子模块个数为空"),
+    MODULE_NUMBER_IS_NULL("A0309","装置子模块个数为空"),
    LDEVINFO_IS_NULL("A0309","逻辑设备信息为空"),
    SOFTINFO_IS_NULL("A0309","软件信息为空"),

@@ -71,6 +71,8 @@ public enum AccessResponseEnum {
    PROCESS_SAME_ERROR("A0311","当前调试已完成,请勿重复调试"),
    PROCESS_MISSING_ERROR("A0311","调试流程缺失,请核查功能调试、出厂调试"),
    PROCESS_ERROR("A0311","调试流程异常,请先进行功能调试、出厂调试!"),
+
+    FILE_CHECK_ERROR("A0312","文件校验码不一致!"),
    ;

    private final String code;
--- a/iot-access/access-api/src/main/java/com/njcn/access/enums/TypeEnum.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/enums/TypeEnum.java
@@ -44,6 +44,7 @@ public enum TypeEnum {
    TYPE_28("4662","设备根目录查询应答"),
    TYPE_29("9217","设备心跳请求"),
    TYPE_30("4865","设备数据主动上送"),
+    TYPE_31("8503","设备控制命令"),

    /**
     * 数据类型
@@ -63,6 +64,7 @@ public enum TypeEnum {
    DATA_13("13","内部定值InSet"),
    DATA_14("14","控制Ctrl"),
    DATA_16("16","波形文件"),
+    DATA_48("48","工程信息"),

    /**
     * 数据模型列表
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/RspDataDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/RspDataDto.java
@@ -84,4 +84,83 @@ public class RspDataDto {
        private Double capacityA;
    }

+    /**
+     * 工程信息
+     */
+    @Data
+    public static class ProjectInfo {
+
+        @SerializedName("PrjName")
+        @ApiModelProperty("项目名称")
+        private String prjName;
+
+        @SerializedName("PrjTimeStart")
+        @ApiModelProperty("项目起始时间")
+        private Long prjTimeStart;
+
+        @SerializedName("PrjTimeEnd")
+        @ApiModelProperty("项目结束时间")
+        private Long prjTimeEnd;
+
+        @SerializedName("PrjDataPath")
+        @ApiModelProperty("文件路径")
+        private String prjDataPath;
+
+        @SerializedName("DevType")
+        @ApiModelProperty("装置型号")
+        private String devType;
+
+        @SerializedName("DevMac")
+        @ApiModelProperty("装置mac")
+        private String devMac;
+
+        @SerializedName("AppVersion")
+        @ApiModelProperty("设备应用程序版本信息")
+        private String appVersion;
+
+        @SerializedName("Cldid")
+        @ApiModelProperty("逻辑子设备ID（0-逻辑设备本身）")
+        private Integer clDid;
+
+        @SerializedName("StatCycle")
+        @ApiModelProperty("分钟数据统计时间间隔（1~10分钟）")
+        private Integer statCycle;
+
+        @SerializedName("VolGrade")
+        @ApiModelProperty("电压等级（kV）")
+        private Double volGrade;
+
+        @SerializedName("VolConType")
+        @ApiModelProperty("电压接线方式 （0-星型, 1-角型, 2-V型）")
+        private Integer volConType;
+
+        @SerializedName("CurConSel")
+        @ApiModelProperty("电流接线方式 （0-正常, 1-合成IB, 2-合成IC）")
+        private Integer curConSel;
+
+        @SerializedName("PtRatio")
+        @ApiModelProperty("PT变比")
+        private Integer ptRatio;
+
+        @SerializedName("CtRatio")
+        @ApiModelProperty("CT变比")
+        private Integer ctRatio;
+
+        @SerializedName("CapacitySscb")
+        @ApiModelProperty("基准短路容量（MVA）")
+        private Double capacitySscb;
+
+        @SerializedName("CapacitySscmin")
+        @ApiModelProperty("最小短路容量（MVA）")
+        private Double capacitySscmin;
+
+        @SerializedName("CapacitySt")
+        @ApiModelProperty("供电设备容量（MVA）")
+        private Double capacitySt;
+
+        @SerializedName("CapacitySi")
+        @ApiModelProperty("用户协议容量（MVA）")
+        private Double capacitySi;
+    }
+
 }
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/AutoDataDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/AutoDataDto.java
@@ -72,6 +72,78 @@ public class AutoDataDto {

        @SerializedName("Data")
        private String data;
+
+        @SerializedName("PrjName")
+        @ApiModelProperty("工程名称")
+        private String prjName;
+
+        @SerializedName("PrjTimeStart")
+        @ApiModelProperty("装置启动时间")
+        private Long prjTimeStart;
+
+        @SerializedName("PrjTimeEnd")
+        @ApiModelProperty("装置结束时间")
+        private Long prjTimeEnd;
+
+        @SerializedName("PrjDataPath")
+        @ApiModelProperty("装置数据路径")
+        private String prjDataPath;
+
+        @SerializedName("DevType")
+        @ApiModelProperty("装置型号")
+        private String devType;
+
+        @SerializedName("DevMac")
+        @ApiModelProperty("装置mac地址")
+        private String devMac;
+
+        @SerializedName("AppVersion")
+        @ApiModelProperty("装置程序版本")
+        private String appVersion;
+
+        @SerializedName("Cldid")
+        @ApiModelProperty("逻辑子设备id")
+        private Integer clDid;
+
+        @SerializedName("StatCycle")
+        @ApiModelProperty("统计间隔")
+        private Integer statCycle;
+
+        @SerializedName("VolGrade")
+        @ApiModelProperty("电压等级")
+        private Float volGrade;
+
+        @SerializedName("VolConType")
+        @ApiModelProperty("电压接线方式（0-星型, 1-角型, 2-V型）")
+        private Integer volConType;
+
+        @SerializedName("CurConSel")
+        @ApiModelProperty("电流接线方式（0-正常, 1-合成IB, 2-合成IC）")
+        private Integer curConSel;
+
+        @SerializedName("PtRatio")
+        @ApiModelProperty("PT变比")
+        private Integer ptRatio;
+
+        @SerializedName("CtRatio")
+        @ApiModelProperty("ct变比")
+        private Integer ctRatio;
+
+        @SerializedName("CapacitySscb")
+        @ApiModelProperty("基准短路容量")
+        private Float capacitySscb;
+
+        @SerializedName("CapacitySscmin")
+        @ApiModelProperty("最小短路容量")
+        private Float capacitySscmin;
+
+        @SerializedName("CapacitySt")
+        @ApiModelProperty("供电设备容量")
+        private Float capacitySt;
+
+        @SerializedName("CapacitySi")
+        @ApiModelProperty("用户协议容量")
+        private Float capacitySi;
    }

 }
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/ControlDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/ControlDto.java
@@ -0,0 +1,22 @@
+package com.njcn.access.pojo.dto;
+
+import com.alibaba.nacos.shaded.com.google.gson.annotations.SerializedName;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * @author xy
+ */
+@Data
+public class ControlDto implements Serializable {
+
+    @SerializedName("Cldid")
+    private Integer clDid;
+
+    @SerializedName("CmdType")
+    private String cmdType;
+
+    @SerializedName("CmdParm")
+    private String cmdParm;
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/DeviceRedisInfoDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/DeviceRedisInfoDto.java
@@ -0,0 +1,52 @@
+package com.njcn.access.pojo.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * @author xy
+ * 装置缓存信息
+ */
+@Data
+public class DeviceRedisInfoDto {
+
+    @ApiModelProperty("装置id")
+    private String deviceId;
+
+    @ApiModelProperty("装置nDid")
+    private String nDid;
+
+    @ApiModelProperty("装置类型")
+    private String deviceType;
+
+    @ApiModelProperty("装置模板id")
+    private String modelId;
+
+    @ApiModelProperty("模板名称")
+    private String modelName;
+
+    @ApiModelProperty("模板版本")
+    private String modelVersion;
+
+    @ApiModelProperty("模板类型 0:治理模板 1:电能质量模板")
+    private Integer modelType;
+
+    @ApiModelProperty("监测点信息")
+    private List<LineRedisInfo> lineList;
+
+    @Data
+    public static class LineRedisInfo {
+
+        @ApiModelProperty("监测点id")
+        private String lineId;
+
+        @ApiModelProperty("监测点位置")
+        private String location;
+
+        @ApiModelProperty("逻辑设备编码")
+        private Integer clDid;
+    }
+
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/ModelRedisInfoDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/ModelRedisInfoDto.java
@@ -0,0 +1,63 @@
+package com.njcn.access.pojo.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.time.LocalDate;
+import java.util.List;
+
+/**
+ * @author xy
+ * 模板缓存信息
+ */
+@Data
+public class ModelRedisInfoDto {
+
+    @ApiModelProperty("模板id")
+    private String modelId;
+
+    @ApiModelProperty("模板名称")
+    private String modelName;
+
+    @ApiModelProperty("模板时间")
+    private LocalDate versionDate;
+
+    @ApiModelProperty("模板版本")
+    private String version;
+
+    @ApiModelProperty("数据集集合")
+    private List<DataSet> dataSetList;
+
+    @Data
+    public static class DataSet {
+
+        @ApiModelProperty("数据集id")
+        private String dataSetId;
+
+        @ApiModelProperty("数据集名称")
+        private String dataSetName;
+
+        @ApiModelProperty("数据指标集合")
+        private List<DataArray> dataArrayList;
+    }
+
+    @Data
+    public static class DataArray {
+
+        @ApiModelProperty("数据指标id")
+        private String dataArrayId;
+
+        @ApiModelProperty("数据指标名称")
+        private String dataArrayName;
+
+        @ApiModelProperty("数据指标别名")
+        private String anotherName;
+
+        @ApiModelProperty("数据指标统计方式")
+        private String statMethod;
+
+        @ApiModelProperty("数据指标相别")
+        private String phase;
+    }
+
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/UploadFileDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/UploadFileDto.java
@@ -34,4 +34,8 @@ public class UploadFileDto {
    @ApiModelProperty("文件校验码")
    private String fileCheck;

+    @SerializedName("StepFileCheck")
+    @ApiModelProperty("当前帧文件校验码")
+    private String stepFileCheck;
+
 }
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/file/FileDto.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/dto/file/FileDto.java
@@ -5,6 +5,7 @@ import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;

 import java.io.Serializable;
+import java.util.List;

 /**
 * 类的介绍：
@@ -42,7 +43,10 @@ public class FileDto implements Serializable {
        private String type;

        @SerializedName("FileInfo")
-        private FileDto.FileInfo fileInfo;
+        private FileInfo fileInfo;
+
+        @SerializedName("DirInfo")
+        private List<DirInfo> dirInfo;

        @SerializedName("Data")
        private String data;
@@ -86,4 +90,22 @@ public class FileDto implements Serializable {
        private String fileChkType;
    }

+    @Data
+    public static class DirInfo{
+
+        @SerializedName("Name")
+        private String name;
+
+        @SerializedName("Type")
+        private String type;
+
+        @SerializedName("Size")
+        @ApiModelProperty("文件大小，单位KB")
+        private Integer size;
+
+        @SerializedName("Time")
+        @ApiModelProperty("时间")
+        private Long time;
+    }
+
 }
--- a/iot-access/access-api/src/main/java/com/njcn/access/pojo/po/CsSoftInfoPO.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/pojo/po/CsSoftInfoPO.java
@@ -1,10 +1,8 @@
 package com.njcn.access.pojo.po;

 import com.baomidou.mybatisplus.annotation.TableName;
-import com.njcn.db.bo.BaseEntity;
 import lombok.Data;

-import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.Date;

@@ -47,7 +45,7 @@ public class CsSoftInfoPO {
    /**
     * 应用程序发布日期
     */
-    private Date appDate;
+    private LocalDateTime appDate;

    /**
     * 应用程序校验码
--- a/iot-access/access-api/src/main/java/com/njcn/access/utils/CRC32Utils.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/utils/CRC32Utils.java
@@ -0,0 +1,55 @@
+package com.njcn.access.utils;
+
+import org.springframework.stereotype.Component;
+
+/**
+ * @author xy
+ */
+@Component
+public class CRC32Utils {
+
+    // CRC-32/MPEG-2 多项式, x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1
+    private static final int POLYNOMIAL = 0x04C11DB7;
+
+    public static int calculateCRC32(byte[] buf, int len, int seed) {
+        if (buf == null || len <= 0) {
+            return seed;
+        }
+
+        int crc = seed;
+        int count = 0;
+        // 对长度进行填充以适应32位整数
+        int rem = len % Integer.BYTES;
+        if (rem > 0) {
+            int n = Integer.BYTES - rem;
+            byte[] newBuf = new byte[len + n];
+            System.arraycopy(buf, 0, newBuf, 0, len);
+            // 填充字节用0xFF
+            for (int i = len; i < len + n; i++) {
+                newBuf[i] = (byte) 0xFF;
+            }
+            buf = newBuf;
+            len += n;
+        }
+
+        int uiCount = len / Integer.BYTES;
+        for (int k = 0; k < uiCount; k++) {
+            int uiTemp = 0;
+            for (int i = 0; i < Integer.BYTES; i++) {
+                uiTemp |= (buf[k * Integer.BYTES + i] & 0xFF) << (8 * (3 - i));
+            }
+            for (int j = 0; j < 32; j++) {
+                // 检查最高位是否为1
+                if ((crc ^ uiTemp) < 0) {
+                    crc = 0x04C11DB7 ^ (crc << 1);
+                    count ++;
+                } else {
+                    crc <<= 1;
+                }
+                uiTemp <<= 1;
+            }
+        }
+        return crc;
+    }
+
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/utils/ChannelObjectUtil.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/utils/ChannelObjectUtil.java
@@ -0,0 +1,45 @@
+package com.njcn.access.utils;
+
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author xy
+ */
+@Component
+public class ChannelObjectUtil {
+
+    /**
+     * 将list转成对应实体
+     * @param object
+     * @param clazz
+     * @return
+     * @param <T>
+     */
+    public <T> List<T> objectToList(Object object, Class<T> clazz) {
+        List<T> resultList = new ArrayList<>();
+        if (object instanceof List<?>) {
+            for (Object o : (List<?>) object) {
+                resultList.add(clazz.cast(o));
+            }
+        }
+        return resultList;
+    }
+
+    /**
+     * 将object转成对应实体
+     * @param object
+     * @param clazz
+     * @return
+     * @param <T>
+     */
+    public <T> T objectToSingleObject(Object object, Class<T> clazz) {
+        if (clazz.isInstance(object)) {
+            return clazz.cast(object);
+        }
+        // 或者抛出异常，根据您的需求
+        return null;
+    }
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/utils/JsonUtil.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/utils/JsonUtil.java
@@ -0,0 +1,94 @@
+package com.njcn.access.utils;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Random;
+
+/**
+ * 类的介绍：
+ *
+ * @author xuyang
+ * @version 1.0.0
+ * @createTime 2023/4/10 16:03
+ */
+public class JsonUtil {
+
+    /**
+     * @param jsonString 要保存的JSON串
+     * @param filePath 保存到的文件路径
+     * @param fileName  文件名称
+     * @return
+     */
+    //保存json 文件
+    public static boolean createJsonFile(String jsonString, String filePath, String fileName) {
+        // 标记文件生成是否成功
+        boolean flag = true;
+        // 拼接文件完整路径
+        String fullPath = filePath + File.separator + fileName + ".json";
+        // 生成json格式文件
+        try {
+            // 保证创建一个新文件
+            File file = new File(fullPath);
+            // 如果父目录不存在，创建父目录
+            if (!file.getParentFile().exists()) {
+                file.getParentFile().mkdirs();
+            }
+            // 如果已存在,删除旧文件
+            if (file.exists()) {
+                file.delete();
+            }
+            file.createNewFile();
+            // 格式化json字符串
+            //jsonString = JsonFormatTool.formatJson2(jsonString);
+            // 将格式化后的字符串写入文件
+            Writer write = new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8);
+            write.write(jsonString);
+            write.flush();
+            write.close();
+        } catch (Exception e) {
+            flag = false;
+            e.printStackTrace();
+        }
+        // 返回是否成功的标记
+        return flag;
+    }
+
+    /**
+     * 生成随机文件名：当前年月日时分秒+五位随机数
+     * @return
+     */
+    public static String getRandomFileName() {
+        SimpleDateFormat simpleDateFormat;
+        simpleDateFormat = new SimpleDateFormat("yyyyMMdd");
+        Date date = new Date();
+        String str = simpleDateFormat.format(date);
+        Random random = new Random();
+        // 获取5位随机数
+        int ranNum = (int) (random.nextDouble() * (99999 - 10000 + 1)) + 10000;
+        // 当前时间
+        return ranNum + str;
+    }
+
+    public static String convertStreamToString(InputStream inputStream){
+        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
+        StringBuilder sb = new StringBuilder();
+        String line = null;
+        try {
+            while ((line = reader.readLine()) != null) {
+                sb.append(line);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            try {
+                inputStream.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        return sb.toString();
+    }
+
+}
--- a/iot-access/access-api/src/main/java/com/njcn/access/utils/MqttUtil.java
+++ b/iot-access/access-api/src/main/java/com/njcn/access/utils/MqttUtil.java
@@ -0,0 +1,53 @@
+package com.njcn.access.utils;
+
+import com.alibaba.nacos.shaded.com.google.common.reflect.TypeToken;
+import com.alibaba.nacos.shaded.com.google.gson.Gson;
+import com.njcn.access.config.MqttInfo;
+import com.njcn.access.pojo.dto.mqtt.MqttClientDto;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import okhttp3.Credentials;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.annotation.Order;
+
+import java.io.IOException;
+import java.util.Objects;
+
+/**
+ * 类的介绍：
+ *
+ * @author xuyang
+ * @version 1.0.0
+ * @createTime 2023/7/14 14:44
+ */
+@Data
+@Order(100)
+@Configuration
+@AllArgsConstructor
+public class MqttUtil {
+
+    private final MqttInfo mqttInfo;
+
+    public boolean judgeClientOnline(String id) {
+        boolean result = false;
+        try {
+            Gson gson = new Gson();
+            OkHttpClient client = new OkHttpClient();
+            Request request = new Request.Builder()
+                    .url(mqttInfo.getUrl() + "/api/v5/clients/" + id)
+                    .header("Content-Type", "application/json")
+                    .header("Authorization", Credentials.basic(mqttInfo.getUserName(), mqttInfo.getPassword()))
+                    .build();
+            Response response = client.newCall(request).execute();
+            response.body();
+            MqttClientDto mqttClientDto = gson.fromJson(Objects.requireNonNull(response.body()).string(), new TypeToken<MqttClientDto>(){}.getType());
+            result = mqttClientDto.isConnected();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return result;
+    }
+}