项目初始化

datax-ui/src/components/PivotTable/index.vue

+<template>
+  <div class="table-responsive">
+    <table>
+      <thead>
+        <tr v-for="(tr, index) in combineHeads" :key="index">
+          <th
+            v-for="cell in tr"
+            :key="cell.__index"
+            :rowspan="cell.rowspan"
+            :colspan="cell.colspan"
+          >
+            <div
+              :class="{ 'col-corner-bg': cell.isCorner }"
+              :style="{ 'min-height': _getMinHeightByRowCount(cell.rowspan) }"
+            >
+              {{ cell.isCorner ? (rowPaths.length + ' x ' + colPaths.length) : cell.value }}
+            </div>
+          </th>
+        </tr>
+      </thead>
+      <tbody>
+        <tr v-for="(tr, index) in combineValues" :key="tr.__index">
+          <td
+            v-for="cell in tr.data"
+            :key="cell.__index"
+            :rowspan="cell.rowspan"
+            :colspan="cell.colspan"
+          >
+            <div
+              :class="{ 'col-corner-bg': cell.isCorner }"
+              :style="{ 'min-height': _getMinHeightByRowCount(cell.rowspan) }"
+            >
+              {{ cell.value }}
+            </div>
+          </td>
+        </tr>
+      </tbody>
+    </table>
+  </div>
+</template>
+
+<script>
+import {
+  mergeBaseInfo,
+  convertPathToMap,
+  getHeightByCount
+} from './utils'
+import { SEPARATOR } from './utils/constants'
+
+export default {
+  name: 'PivotTable',
+  props: {
+    data: {
+      type: Array,
+      default: () => []
+    },
+    rows: {
+      type: Array,
+      default: () => []
+    },
+    columns: {
+      type: Array,
+      default: () => []
+    },
+    values: {
+      type: Array,
+      default: () => []
+    },
+    summary: {
+      type: Array,
+      default: () => []
+    }
+  },
+  data: () => ({
+    localRows: [],
+    localColumns: [],
+    localValues: [],
+    localData: [],
+    // 计算列的数据
+    calcData: [],
+    // Separator
+    Separator: SEPARATOR,
+    // 合并后的表头
+    combineHeads: [],
+    // 合并后的单元格
+    combineValues: []
+  }),
+  computed: {
+    rowPaths() {
+      const _paths = this._combinePaths(
+        ...this.localRows.map(({ values }) => values)
+      )
+      return _paths
+    },
+    colPaths() {
+      const keys = this.localColumns.map(({ values }) => values)
+      if (this.localValues.length) {
+        keys.push(this.localValues.map(({ key }) => key))
+      }
+      const _paths = this._combinePaths(...keys)
+      return _paths
+    },
+    // 列的表头
+    colHeads() {
+      // 共有多少行
+      const _rows = this.localColumns.map(() => [])
+      // 有几个值
+      const valuesLen = this.localValues.length
+      if (valuesLen) {
+        _rows.push([])
+      }
+      // todo: 仅有 values 的时候会有一个空的path
+      this.colPaths.forEach((path, pathIndex) => {
+        // 条件值
+        const pathValues = path.split(this.Separator)
+        // 存储路径
+        const currPath = []
+        _rows.forEach((row, rowIndex) => {
+          const cellData = {}
+          const currVal = pathValues[rowIndex] || ''
+          // 是否为 values 行
+          const isLastRow = rowIndex === _rows.length - 1
+          // 存储路径
+          currPath.push(currVal)
+          const baseX = rowIndex
+          const baseY = this.localRows.length + pathIndex
+          row.push(
+            Object.assign(
+              cellData,
+              mergeBaseInfo({
+                __index: `${baseX}-${baseY}`,
+                x: baseX,
+                y: baseY,
+                path: currPath.filter((item) => !!item),
+                // 最后一行是 values，替换显示文本
+                value: valuesLen && isLastRow && currVal ? this.localValues.find(({ key }) => key === currVal).label : currVal
+              })
+            )
+          )
+        })
+      })
+      return _rows
+    },
+    // 行的表头
+    rowHeads() {
+      // 共有多少列
+      const _columns = []
+      // 左上角特殊处理
+      _columns.push(mergeBaseInfo({
+        __index: `0-0`,
+        colspan: this.localRows.length,
+        rowspan: this.localColumns.length,
+        // 左上角标记
+        isCorner: true
+      }))
+      this.localRows.forEach(({ label }, index) => {
+        _columns.push(mergeBaseInfo({
+          __index: `${this.localColumns.length}-${index}`,
+          value: label,
+          x: this.localColumns.length,
+          y: index
+        }))
+      })
+      return _columns
+    },
+    // 行对应的值
+    rowHeadValues() {
+      return this.localRows.length
+        ? this.rowPaths.map((path, index) => {
+          const values = path.split(this.Separator)
+          const currPath = []
+          return this.localRows.map((item, rowIndex) => {
+            const _index = rowIndex
+            const _currVal = values[_index] || ''
+            const baseX = this.localColumns.length + +Boolean(this.localValues.length) + index
+            const baseY = _index
+            currPath.push(_currVal)
+            return mergeBaseInfo({
+              __index: `${baseX}-${baseY}`,
+              value: _currVal,
+              x: baseX,
+              y: baseY,
+              path: currPath.filter((item) => !!item)
+            })
+          })
+        })
+        : []
+    },
+    // 计算所有对应条件的值
+    dataValues() {
+      // 列对应的条件
+      const colConditions = convertPathToMap(
+        this.colPaths,
+        this.localColumns.map(({ key }) => key).concat(this.localValues.length ? ['value'] : [])
+      )
+      // 行对应的条件
+      const rowConditions = convertPathToMap(
+        this.rowPaths,
+        this.localRows.map(({ key }) => key)
+      )
+      // console.log('colConditions', colConditions)
+      // console.log('rowConditions', rowConditions)
+      // 针对没传入行或列的处理
+      // !colConditions.length && colConditions.push({});
+      // !rowConditions.length && rowConditions.push({});
+      // 过滤数据, 遍历行以及遍历行对应的列
+      return rowConditions.map((rowCondition, rowConditionIndex) => {
+        const _data = colConditions.map((colCondition, colConditionIndex) => {
+          // 存储当前单元对应的数据
+          const cellData = {}
+          // 当前单元对应的条件
+          const conditions = Object.assign({}, rowCondition, colCondition)
+          const _filterConditions = Object.fromEntries(
+            Object.entries(conditions).filter(
+              (item) => item[0] !== 'value'
+            )
+          )
+          // 通过当前单元对应的条件，过滤数据
+          const filterData = this._filterData(_filterConditions, this.localData)
+          // 对应表格的坐标位置
+          const baseX = this.localColumns.length + +Boolean(this.localValues.length) + rowConditionIndex
+          const baseY = this.localRows.length + colConditionIndex
+          Object.assign(
+            cellData,
+            mergeBaseInfo({
+              conditions,
+              x: baseX,
+              y: baseY,
+              __index: `${baseX}-${baseY}`
+            })
+          )
+          // 针对为指定值 props.values 的空处理(绘制空表格)
+          const isEmptyValues = this.localColumns.length && this.localRows.length && !this.localValues.length
+          if (isEmptyValues) {
+            Object.assign(cellData, { value: '' })
+          } else {
+            // 从 props.values 中找出对应的值 handle
+            // 注意：this.localValues 通过 JSON.xxx 序列化后，handle 会被忽略
+            const _value = this.values.find(({ key }) => key === conditions.value)
+            Object.assign(cellData, { value: _value && _value.key ? this._reduceValue(filterData, _value.key) : '' })
+          }
+          return cellData
+        }
+        )
+        return {
+          __index: _data[0].x,
+          data: _data
+        }
+      })
+    }
+  },
+  created: function() {
+    this.init()
+  },
+  methods: {
+    init() {
+      if (this.rows.length || this.columns.length || this.values) {
+        this.handleDataClone()
+        this.setValuesToColAndRow()
+        this.handleCalcData()
+        this.handleCombineHeads()
+        this.handleCombineValues()
+      } else {
+        console.warn(
+          '[Warn]: props.rows, props.columns, props.values at least one is not empty.'
+        )
+      }
+    },
+    // clone data
+    handleDataClone() {
+      this.localRows = JSON.parse(JSON.stringify(this.rows))
+      this.localColumns = JSON.parse(JSON.stringify(this.columns))
+      this.localValues = JSON.parse(JSON.stringify(this.values))
+      this.localData = Object.freeze(this.data)
+    },
+    // set the `values` attribute to rows and columns
+    setValuesToColAndRow() {
+      const rowKeys = this.localRows.map(({ key }) => key)
+      const columnKeys = this.localColumns.map(({ key }) => key)
+      const rowValues = this._findCategory(rowKeys, this.localData)
+      const columnValues = this._findCategory(columnKeys, this.localData)
+      this.localRows.forEach((row) => {
+        const { key, values } = row
+        this.$set(row, 'values', values || rowValues[key] || [])
+      })
+      this.localColumns.forEach((column) => {
+        const { key, values } = column
+        this.$set(column, 'values', values || columnValues[key] || [])
+      })
+    },
+    // 合并表头
+    handleCombineHeads() {
+      let combineColHeads = JSON.parse(JSON.stringify(this.colHeads))
+      combineColHeads[0] = combineColHeads[0] || []
+      combineColHeads[0].unshift(...this.rowHeads.filter((item) => item.isCorner))
+      combineColHeads[combineColHeads.length - 1].unshift(...this.rowHeads.filter((item) => !item.isCorner))
+      combineColHeads = combineColHeads.filter((item) => item.length)
+      this.combineHeads = combineColHeads
+    },
+    // 合并值
+    handleCombineValues() {
+      // values
+      const combineValues = []
+      const valueRowCount = this.dataValues.length || this.rowHeadValues.length
+      for (let i = 0; i < valueRowCount; i++) {
+        const _currRowHeadValue = this.rowHeadValues[i] || []
+        const _currValue = this.dataValues[i] || {}
+        const _row = [..._currRowHeadValue, ...(_currValue.data || [])]
+        combineValues.push(
+          Object.assign({}, _currValue, { data: _row })
+        )
+      }
+      this.combineValues = combineValues
+    },
+    // 初始计算值
+    handleCalcData() {
+      if (!this.localValues.length) return
+      const _rowPaths = this._combinePaths(
+        ...this.localRows.map(({ values }) => values)
+      )
+      const _rowKeys = this.localRows.map(({ key }) => key)
+      const _colPaths = this._combinePaths(
+        ...this.localColumns.map(({ values }) => values)
+      )
+      const _colKeys = this.localColumns.map(({ key }) => key)
+      // conditions of col head
+      const colConditions = convertPathToMap(_colPaths, _colKeys)
+      // conditions of row-head
+      const rowConditions = convertPathToMap(_rowPaths, _rowKeys)
+      // Note: if there are no props.rows or props.column, push an empty object
+      !colConditions.length && colConditions.push({})
+      !rowConditions.length && rowConditions.push({})
+      // draw data
+      this.calcData = Object.freeze(
+        rowConditions
+          .map((rowCondition, rowConditionIndex) =>
+            colConditions
+              .map((colCondition, colConditionIndex) => {
+                // the condition of current cell
+                const conditions = Object.assign({}, rowCondition, colCondition)
+                // filter the data
+                const filterData = this._filterData(conditions, this.localData)
+                // empty cell
+                const isEmptyCell = this.localRows.length && this.localColumns.length && !this.localValues.length
+                const _values = {}
+                // 多个值，多条数据
+                this.values.forEach(({ key, handle }) => {
+                  _values[key] = isEmptyCell ? '' : this._reduceValue(filterData, key)
+                })
+                return Object.assign({}, conditions, _values)
+              })
+              .flat()
+          )
+          .filter((item) => item.length)
+          .flat()
+      )
+    },
+    _combinePaths(...arrays) {
+      return arrays.length ? arrays.reduce((prev, curr) => {
+        const arr = []
+        prev.forEach(_prevEl => {
+          curr.forEach(_currEl => {
+            arr.push(_prevEl + SEPARATOR + _currEl)
+          })
+        })
+        return arr
+      }) : arrays
+    },
+    _findCategory(keys = [], data = []) {
+      const _result = {}
+      data.forEach(item => {
+        keys.forEach(key => {
+          // Remove duplicates
+          _result[key] = _result[key] || []
+          _result[key].push(item[key])
+          _result[key] = [...new Set(_result[key])]
+        })
+      })
+      return _result
+    },
+    _reduceValue(data, key) {
+      if (!data.length) return ''
+      return data.reduce((sum, item) => { return sum + Number(item[key]) }, 0)
+    },
+    _filterData(conditions, data) {
+      return data.filter((data) => {
+        let status = true
+        for (const key in conditions) {
+          if (conditions[key] !== data[key]) {
+            status = false
+            return
+          }
+        }
+        return status
+      })
+    },
+    // get min height by rowspan
+    _getMinHeightByRowCount(count) {
+      return getHeightByCount(count)
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+  border: none;
+  thead th {
+    background-color: #CCE8EB;
+  }
+  tbody {
+    tr:nth-child(odd) {
+      background: #fff;
+    }
+    tr:nth-child(even) {
+      background: #F5FAFA;
+    }
+  }
+  td, th {
+    border: 1px solid #ccc;
+    padding: 0;
+    vertical-align: middle;
+    box-sizing: border-box;
+    > div {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      box-sizing: border-box;
+      padding: 5px;
+      text-align: center;
+      white-space: nowrap;
+      width: 100%;
+      height: 100%;
+      min-height: 36px;
+      cursor: default;
+      &.col-corner-bg {
+        background: #f1f7fd;
+      }
+    }
+  }
+}
+</style>

datax-ui/src/components/PivotTable/utils/constants.js

+export const CELL_MIN_HEIGHT = 38
+
+export const SEPARATOR = ':'

datax-ui/src/components/PivotTable/utils/convert_path_to_map.js

+import { SEPARATOR } from './constants'
+
+// Convert path to object
+export default (paths, keys) => {
+  return paths.map(path => {
+    const pathArr = path.split(SEPARATOR)
+    const obj = {}
+
+    keys.forEach((key, index) => {
+      if (pathArr[index]) {
+        obj[key] = pathArr[index]
+      }
+    })
+
+    return obj
+  })
+}

datax-ui/src/components/PivotTable/utils/get_height_by_count.js

+import { CELL_MIN_HEIGHT } from './constants'
+
+export default count => count * CELL_MIN_HEIGHT + 'px'

datax-ui/src/components/PivotTable/utils/index.js

+import mergeBaseInfo from './merge_base_info'
+import convertPathToMap from './convert_path_to_map'
+import getHeightByCount from './get_height_by_count'
+
+export {
+  mergeBaseInfo,
+  convertPathToMap,
+  getHeightByCount
+}

datax-ui/src/components/PivotTable/utils/merge_base_info.js

+// merge base info
+export default function mergeBaseInfo(info = {}) {
+  const _baseCellInfo = {
+    value: '',
+    x: 0,
+    y: 0,
+    colspan: 1,
+    rowspan: 1
+  }
+  return Object.assign({}, _baseCellInfo, info)
+}

datax-ui/src/views/visual/datachart/DataChartBuild.vue

@@ -89,7 +89,7 @@
           <el-tabs type="card">
             <el-tab-pane label="图表预览">
               <div class="widget-center-pane-chart">
-                <chart-panel v-if="visible" id="chartPanel" ref="chartPanel" :chart-schema="widget" :chart-data="[]" />
+                <chart-panel v-if="visible" id="chartPanel" ref="chartPanel" :chart-schema="widget" :chart-data="chartData.data" />
               </div>
             </el-tab-pane>
             <el-tab-pane label="查询脚本">

datax-ui/src/views/visual/datachart/components/widgets/ChartTable.vue

 <template>
-  <div ref="chart" :style="chartStyle">
-    <my-chart-table :col="tableCol" :data="tableData" />
+  <div ref="chart" :style="chartStyle" style="overflow: auto;">
+    <pivot-table
+      ref="pivottable"
+      :data="data"
+      :rows="rows"
+      :columns="columns"
+      :values="values"
+    />
   </div>
 </template>
 
 <script>
-import MyChartTable from './charttable/MyChartTable'
+import PivotTable from '@/components/PivotTable'
 
 export default {
   name: 'ChartTable',
   components: {
-    MyChartTable
+    PivotTable
   },
   props: {
     data: {
@@ -38,60 +44,34 @@ export default {
     }
   },
   computed: {
-    tableCol() {
-      return [
-        {
-          prop: 'date',
-          label: '日期'
-        },
-        {
-          label: '配送信息',
-          children: [
-            {
-              prop: 'name',
-              label: '姓名'
-            },
-            {
-              label: '地址',
-              children: [
-                {
-                  prop: 'province',
-                  label: '省份'
-                },
-                {
-                  prop: 'city',
-                  label: '市区'
-                },
-                {
-                  prop: 'address',
-                  label: '地址'
-                }
-              ]
-            }
-          ]
+    rows() {
+      return this.chartSchema.rows.map((row, index, arr) => {
+        return {
+          key: `${row.col}`,
+          label: `${row.col}`
         }
-      ]
+      })
     },
-    tableData() {
-      return [
-        {
-          date: '2016-05-03',
-          name: '王小虎',
-          province: '上海',
-          city: '普陀区',
-          address: '上海市普陀区金沙江路 1518 弄',
-          zip: 200333
+    columns() {
+      return this.chartSchema.columns.map((column, index, arr) => {
+        return {
+          key: `${column.col}`,
+          label: `${column.col}`
+        }
+      })
     },
-        {
-          date: '2016-05-02',
-          name: '王小虎',
-          province: '上海',
-          city: '普陀区',
-          address: '上海市普陀区金沙江路 1518 弄',
-          zip: 200333
+    values() {
+      return this.chartSchema.measures.map((measure, index, arr) => {
+        return {
+          key: `${measure.col}`,
+          label: `${measure.col}`
         }
-      ]
+      })
     }
+  },
+  created() {
+    console.log(this.data)
+    console.log(this.chartSchema)
   }
 }
 </script>