VUE2.0+ElementUI2.0表格el-table循环动态列渲染的写法详解

<template>
  <el-table
   :data="tableData"
   style="width: 100%">
   <el-table-column
    prop="date"
    label="日期"
    width="180">
   </el-table-column>
   <el-table-column
    prop="name"
    label="姓名"
    width="180">
   </el-table-column>
   <el-table-column
    prop="address"
    label="地址">
   </el-table-column>
  </el-table>
 </template>

<script>
  export default {
   data() {
    return {
     tableData: [{
      date: '2016-05-02',
      name: '王小虎',
      address: '上海市普陀区金沙江路 1518 弄'
     }, {
      date: '2016-05-04',
      name: '王小虎',
      address: '上海市普陀区金沙江路 1517 弄'
     }, {
      date: '2016-05-01',
      name: '王小虎',
      address: '上海市普陀区金沙江路 1519 弄'
     }, {
      date: '2016-05-03',
      name: '王小虎',
      address: '上海市普陀区金沙江路 1516 弄'
     }]
    }
   }
  }
</script>

export const positionKey= {
 key1: {
  title: '表头对应的文字1',
  width: 100
 },
 key2: {
  title: '表头对应的文字2',
  width: 120
 },
 key3: {
  title: '表头对应的文字3',
  width: 110
 },
}