320 lines
11 KiB
Vue
320 lines
11 KiB
Vue
<template>
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<!-- 查询表单 -->
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<SearchForm
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v-show="isShowSearch"
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:search="_search"
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:reset="_reset"
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:columns="searchColumns"
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:search-param="searchParam"
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:search-col="searchCol"
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/>
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<!-- 表格主体 -->
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<div class="card table-main">
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<!-- 表格头部 操作按钮 -->
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<div class="table-header">
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<div class="header-button-lf">
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<slot name="tableHeader" :selected-list="selectedList" :selected-list-ids="selectedListIds" :is-selected="isSelected" />
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</div>
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<div v-if="toolButton" class="header-button-ri">
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<slot name="toolButton">
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<el-button v-if="showToolButton('refresh')" :icon="Refresh" circle @click="getTableList" />
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<el-button v-if="showToolButton('setting') && columns.length" :icon="Operation" circle @click="openColSetting" />
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<el-button
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v-if="showToolButton('search') && searchColumns?.length"
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:icon="Search"
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circle
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@click="isShowSearch = !isShowSearch"
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/>
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</slot>
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</div>
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</div>
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<!-- 表格主体 -->
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<el-table
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ref="tableRef"
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v-bind="$attrs"
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:id="uuid"
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:data="processTableData"
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:border="border"
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:row-key="rowKey"
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@selection-change="selectionChange"
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>
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<!-- 默认插槽 -->
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<slot />
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<template v-for="item in tableColumns" :key="item">
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<!-- selection || radio || index || expand || sort -->
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<el-table-column
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v-if="item.type && columnTypes.includes(item.type)"
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v-bind="item"
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:align="item.align ?? 'center'"
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:reserve-selection="item.type == 'selection'"
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>
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<template #default="scope">
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<!-- expand -->
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<template v-if="item.type == 'expand'">
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<component :is="item.render" v-bind="scope" v-if="item.render" />
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<slot v-else :name="item.type" v-bind="scope" />
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</template>
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<!-- radio -->
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<el-radio v-if="item.type == 'radio'" v-model="radio" :label="scope.row[rowKey]">
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<i></i>
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</el-radio>
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<!-- sort -->
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<el-tag v-if="item.type == 'sort'" class="move">
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<el-icon> <DCaret /></el-icon>
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</el-tag>
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</template>
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</el-table-column>
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<!-- other -->
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<TableColumn v-else :column="item">
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<template v-for="slot in Object.keys($slots)" #[slot]="scope">
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<slot :name="slot" v-bind="scope" />
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</template>
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</TableColumn>
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</template>
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<!-- 插入表格最后一行之后的插槽 -->
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<template #append>
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<slot name="append" />
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</template>
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<!-- 无数据 -->
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<template #empty>
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<div class="table-empty">
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<slot name="empty">
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<img src="@/assets/images/notData.png" alt="notData" />
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<div>暂无数据</div>
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</slot>
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</div>
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</template>
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</el-table>
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<!-- 分页组件 -->
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<slot name="pagination">
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<Pagination
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v-if="pagination"
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:pageable="pageable"
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:handle-size-change="handleSizeChange"
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:handle-current-change="handleCurrentChange"
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/>
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</slot>
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</div>
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<!-- 列设置 -->
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<ColSetting v-if="toolButton" ref="colRef" v-model:col-setting="colSetting" />
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</template>
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<script setup lang="ts" name="ProTable">
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import { ref, watch, provide, onMounted, unref, computed, reactive } from "vue";
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import { ElTable } from "element-plus";
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import { useTable } from "@/hooks/useTable";
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import { useSelection } from "@/hooks/useSelection";
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import { BreakPoint } from "@/components/Grid/interface";
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import { ColumnProps, TypeProps } from "@/components/ProTable/interface";
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import { Refresh, Operation, Search } from "@element-plus/icons-vue";
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import { generateUUID, handleProp } from "@/utils";
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import SearchForm from "@/components/SearchForm/index.vue";
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import Pagination from "./components/Pagination.vue";
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import ColSetting from "./components/ColSetting.vue";
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import TableColumn from "./components/TableColumn.vue";
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import Sortable from "sortablejs";
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export interface ProTableProps {
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columns: ColumnProps[]; // 列配置项 ==> 必传
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data?: any[]; // 静态 table data 数据，若存在则不会使用 requestApi 返回的 data ==> 非必传
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requestApi?: (params: any) => Promise<any>; // 请求表格数据的 api ==> 非必传
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requestAuto?: boolean; // 是否自动执行请求 api ==> 非必传（默认为true）
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requestError?: (params: any) => void; // 表格 api 请求错误监听 ==> 非必传
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dataCallback?: (data: any) => any; // 返回数据的回调函数，可以对数据进行处理 ==> 非必传
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title?: string; // 表格标题 ==> 非必传
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pagination?: boolean; // 是否需要分页组件 ==> 非必传（默认为true）
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initParam?: any; // 初始化请求参数 ==> 非必传（默认为{}）
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border?: boolean; // 是否带有纵向边框 ==> 非必传（默认为true）
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toolButton?: ("refresh" | "setting" | "search")[] | boolean; // 是否显示表格功能按钮 ==> 非必传（默认为true）
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rowKey?: string; // 行数据的 Key，用来优化 Table 的渲染，当表格数据多选时，所指定的 id ==> 非必传（默认为 id）
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searchCol?: number | Record<BreakPoint, number>; // 表格搜索项 每列占比配置 ==> 非必传 { xs: 1, sm: 2, md: 2, lg: 3, xl: 4 }
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}
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// 接受父组件参数，配置默认值
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const props = withDefaults(defineProps<ProTableProps>(), {
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columns: () => [],
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requestAuto: true,
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pagination: true,
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initParam: {},
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border: true,
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toolButton: true,
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rowKey: "id",
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searchCol: () => ({ xs: 1, sm: 2, md: 2, lg: 3, xl: 4 })
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});
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// table 实例
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const tableRef = ref<InstanceType<typeof ElTable>>();
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// 生成组件唯一id
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const uuid = ref("id-" + generateUUID());
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// column 列类型
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const columnTypes: TypeProps[] = ["selection", "radio", "index", "expand", "sort"];
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// 是否显示搜索模块
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const isShowSearch = ref(true);
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// 控制 ToolButton 显示
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const showToolButton = (key: "refresh" | "setting" | "search") => {
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return Array.isArray(props.toolButton) ? props.toolButton.includes(key) : props.toolButton;
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};
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// 单选值
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const radio = ref("");
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// 表格多选 Hooks
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const { selectionChange, selectedList, selectedListIds, isSelected } = useSelection(props.rowKey);
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// 表格操作 Hooks
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const { tableData, pageable, searchParam, searchInitParam, getTableList, search, reset, handleSizeChange, handleCurrentChange } =
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useTable(props.requestApi, props.initParam, props.pagination, props.dataCallback, props.requestError);
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// 清空选中数据列表
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const clearSelection = () => tableRef.value!.clearSelection();
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// 初始化表格数据 && 拖拽排序
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onMounted(() => {
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dragSort();
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props.requestAuto && getTableList();
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props.data && (pageable.value.total = props.data.length);
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});
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// 处理表格数据
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const processTableData = computed(() => {
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if (!props.data) return tableData.value;
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if (!props.pagination) return props.data;
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return props.data.slice(
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(pageable.value.pageNum - 1) * pageable.value.pageSize,
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pageable.value.pageSize * pageable.value.pageNum
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);
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});
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// 监听页面 initParam 改化，重新获取表格数据
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watch(() => props.initParam, getTableList, { deep: true });
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// 接收 columns 并设置为响应式
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const tableColumns = reactive<ColumnProps[]>(props.columns);
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// 扁平化 columns
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const flatColumns = computed(() => flatColumnsFunc(tableColumns));
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// 定义 enumMap 存储 enum 值（避免异步请求无法格式化单元格内容 || 无法填充搜索下拉选择）
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const enumMap = ref(new Map<string, { [key: string]: any }[]>());
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const setEnumMap = async ({ prop, enum: enumValue }: ColumnProps) => {
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if (!enumValue) return;
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// 如果当前 enumMap 存在相同的值 return
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if (enumMap.value.has(prop!) && (typeof enumValue === "function" || enumMap.value.get(prop!) === enumValue)) return;
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// 当前 enum 为静态数据，则直接存储到 enumMap
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if (typeof enumValue !== "function") return enumMap.value.set(prop!, unref(enumValue!));
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// 为了防止接口执行慢，而存储慢，导致重复请求，所以预先存储为[]，接口返回后再二次存储
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enumMap.value.set(prop!, []);
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// 当前 enum 为后台数据需要请求数据，则调用该请求接口，并存储到 enumMap
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const { data } = await enumValue();
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enumMap.value.set(prop!, data);
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};
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// 注入 enumMap
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provide("enumMap", enumMap);
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// 扁平化 columns 的方法
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const flatColumnsFunc = (columns: ColumnProps[], flatArr: ColumnProps[] = []) => {
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columns.forEach(async col => {
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if (col._children?.length) flatArr.push(...flatColumnsFunc(col._children));
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flatArr.push(col);
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// column 添加默认 isShow && isSetting && isFilterEnum 属性值
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col.isShow = col.isShow ?? true;
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col.isSetting = col.isSetting ?? true;
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col.isFilterEnum = col.isFilterEnum ?? true;
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// 设置 enumMap
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await setEnumMap(col);
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});
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return flatArr.filter(item => !item._children?.length);
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};
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// 过滤需要搜索的配置项 && 排序
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const searchColumns = computed(() => {
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return flatColumns.value
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?.filter(item => item.search?.el || item.search?.render)
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.sort((a, b) => a.search!.order! - b.search!.order!);
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});
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// 设置 搜索表单默认排序 && 搜索表单项的默认值
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searchColumns.value?.forEach((column, index) => {
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column.search!.order = column.search?.order ?? index + 2;
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const key = column.search?.key ?? handleProp(column.prop!);
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const defaultValue = column.search?.defaultValue;
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if (defaultValue !== undefined && defaultValue !== null) {
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searchParam.value[key] = defaultValue;
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searchInitParam.value[key] = defaultValue;
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}
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});
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// 列设置 ==> 需要过滤掉不需要设置的列
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const colRef = ref();
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const colSetting = tableColumns!.filter(item => {
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const { type, prop, isSetting } = item;
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return !columnTypes.includes(type!) && prop !== "operation" && isSetting;
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});
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const openColSetting = () => colRef.value.openColSetting();
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// 定义 emit 事件
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const emit = defineEmits<{
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search: [];
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reset: [];
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dragSort: [{ newIndex?: number; oldIndex?: number }];
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}>();
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const _search = () => {
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search();
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emit("search");
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};
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const _reset = () => {
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reset();
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emit("reset");
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};
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// 表格拖拽排序
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const dragSort = () => {
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const tbody = document.querySelector(`#${uuid.value} tbody`) as HTMLElement;
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Sortable.create(tbody, {
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handle: ".move",
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animation: 300,
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onEnd({ newIndex, oldIndex }) {
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const [removedItem] = processTableData.value.splice(oldIndex!, 1);
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processTableData.value.splice(newIndex!, 0, removedItem);
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emit("dragSort", { newIndex, oldIndex });
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}
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});
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};
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// 暴露给父组件的参数和方法 (外部需要什么，都可以从这里暴露出去)
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defineExpose({
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element: tableRef,
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tableData: processTableData,
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radio,
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pageable,
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searchParam,
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searchInitParam,
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isSelected,
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selectedList,
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selectedListIds,
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// 下面为 function
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getTableList,
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search,
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reset,
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handleSizeChange,
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handleCurrentChange,
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clearSelection,
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enumMap
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});
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</script>
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