SOURCE

var Main = {
    methods: {
      load(row, treeNode, resolve) {          
            resolve(row.children)      
      }
    },
    data () {
      return {
        tableData: [
        {
          id: "BgDpYVC9JKna_bb2beL_nn",
          column1: "001",
          column2: "上海路力通公司",
          column3: "部门",
          column4: "",
          column5: "",
          column6: "公司",          
          children: [{
              id: "qqq",
              column1: "004",
              column2: "苏州",
              column3: "部门",
              column4: "",
            	children: [{
                id: "aaa",
                column1: "004",
                column2: "苏州",
                column3: "部门",
                column4: "",

              }, {
                id: "sss",
                column1: "004",
                column2: "苏州",
                column3: "部门",
                column4: "",
            }]
          }, {
              id: "www",
              column1: "004",
              column2: "苏州",
              column3: "部门",
              column4: "",
          }]
        },
        {
          id: "AG6pBn5XFPSJVqclbhdCZj",
          column1: "002",
          column2: "上海路力通公司",
          column3: "部门",
          column4: "",
          column5: "",
          column6: "公司",          
          hasChildren: true
        }
      ],
        columns: [
        {
          id:"Dcd44veeNJory8EIjfm7Yr",
          code:"column1",
          title:"组织编码",
        },
        {
          code: "column2",
          id: "ATqQt6fF9AFbKoNRZ4uCMc",
          title: "组织名称",
        },
        {
          code: "column3",
          id: "CJgo1Fqk1EeqjW9S5dQM84",
          title: "组织层级",
        },
        {
          code: "column4",
          id: "A-3yRAjTVPNp1yqRT6GDw2",
          title: "组织单位负责职位",
        }, 
        {
          code: "column5",
          id: "C8JRIyYMREnLpkc2eC6lia",
          title: "组织单位负责人id",
        }
      ],
      };
    }
  }
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')

<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/element-ui@2.8.2/lib/index.js"></script>
<!-- <script src="//unpkg.com/element-ui@2.7.2/lib/index.js"></script> -->
<div id="app">
<template>
    <el-table border stripe :data="tableData" row-key="id" lazy :load="load" height="200">
      <el-table-column v-for="column in columns" :key="column.id" :label="column.title">
        <template slot-scope="scope">{{scope.row[column.code]}}</template>
      </el-table-column>
    </el-table>
</template>
</div>

@import url("//unpkg.com/element-ui/lib/theme-chalk/index.css");