SOURCE

new Vue({
  el:'#app',
   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'
        }],
        sortData: {prop: 'date', order: 'descending'}
      }
    },
  	mounted(){
    },
    methods: {
      formatter(row, column) {
        return row.address;
      },
      sortChange(val){
        const { order } = val
        console.log(order)
      }
    }
})

<div id="app">
    <template>
  <el-table
    :data="tableData"
    style="width: 100%"
    :default-sort = "{prop: 'date', order: 'descending'}"
    @sort-change="sortChange"
    >
    <el-table-column
      prop="date"
      label="日期"
      :sortable="'custom'"
      width="180"
      :sort-orders="['ascending','descending']">
    </el-table-column>
    <el-table-column
      prop="name"
      label="姓名"
      sortable
      width="180">
    </el-table-column>
    <el-table-column
      prop="address"
      label="地址"
      :formatter="formatter">
    </el-table-column>
  </el-table>
</template>
</div>
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<script src="https://lib.baomitu.com/vue/2.5.17/vue.js"></script>
<script src="https://unpkg.com/element-ui/lib/index.js"></script>