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'
}]

<template>
 <el-table :data="tableData" border>
  <el-table-column prop="date" label="日期"></el-table-column>
  <el-table-column prop="name" label="姓名"></el-table-column>
  <el-table-column prop="address" label="地址"></el-table-column>
 </el-table>
</template>

//table.vue
<template>
 <el-table :data="tableData" border>
  <el-table-column v-for="(item,key) in tableKey" 
  :key="key"
  :prop="item.value"
  :label="item.name"></el-table-column>
 </el-table>
</template>
<script>
export default{
 name: 'table',
 data(){
  return{
   tableData:[...],
   tableKey: [{
    name: 'date',
    value: '日期'
   },{
    name: '姓名',
    value: 'name'
   },{
    name: '地址',
    value: 'address'
   }]
  }
 }
}
</script>

//sl_table.vue
<template>
 <sl-table :tableData="tableData" :tableKey="tableKey"></sl-table>
</template>
<script>
import Table from '@/components/table'
export default{
 name: 'sl-table',
 data(){
  return {
   tableData: [...]
   tableKey: [{
    name: 'date',
    value: '日期'
   },{
    name: '姓名',
    value: 'name'
   },{
    name: '地址',
    value: 'address'
   }]
  }
 },
 components: {
  'sl-table': Table
 }
}
</script>

//table.vue
<template>
 <el-table :data="tableData" border>
  <el-table-column v-for="(item,key) in tableKey" 
  :key="key"
  :prop="item.value"
  :label="item.name"></el-table-column>
 </el-table>
</template>
<script>
export default{
 name: 'table',
 data(){
  return{
   
  }
 },
 props:['tableData','tableKey'],
}
</script>

//sl_table.vue
...
 data(){
  return {
   tableData: [...]
   tableKey: [{
    name: 'date',
    value: '日期',
    width: 80
   },{
    name: '姓名',
    value: 'name',
    width: 80
   },{
    name: '地址',
    value: 'address'
   }]
  }
 },
...

//table.vue
...
<el-table-column v-for="(item,key) in tableKey" 
:key="key"
:prop="item.value"
:label="item.name"
:width="item.width"></el-table-column>
...

<el-table-column v-for="(item,key) in tableKey" 
v-if="!item.operate"
:key="key"
:prop="item.value"
:label="item.name"
:width="item.width"></el-table-column>

<!-- 自定义 -->
<el-table-column v-else>
 <template scope="scope">
  <slot :name="item.value" :$index="scope.$index" :row="scope.row"></slot>
 </template>
</el-table-column>
//sl_table.vue
<sl-table :tableData="tableData" :tableKey="tableKey">
 <template slot="date" scope="scope">
  <span>{{ scope.row.date | DateFilter }}</span>
 </template>
</sl-table>
...
  data(){
   return {
    tableData: [...]
    tableKey: [{
     name: 'date',
     value: '日期',
     operate: true
    },{
     name: '姓名',
     value: 'name',
     operate: false
    },{
     name: '地址',
     value: 'address',
     operate: false
    }]
   }
  },
  filters: {
   DateFilter(){...}
  }
...

//sl_table.vue

<sl-table :tableData="tableData" :tableKey="tableKey" :isExpand="true" :isExpandOnly="true">
 <template slot="expand" scope="scope">
  {{...expand something}}
 </template>
 ...
</sl-table>

//table.vue
<el-table :data="tableData" border @expand="handleExpand" ref="raw_table">
 <el-table-column v-if="isExpand" type="expand">
  <template scope="scope">
   <slot name="expand" :$index="scope.$index" :row="scope.row"></slot>
  </template>
 </el-table-column>
</el-table>
...
props: ['tableData','tableKey','isExpand','isExpandOnly'],
methods: {
 handleExpand(row,is_expand){
  if(this.isExpand && this.isExpandOnly){
   this.$refs.raw_table.store.states.expandRows = expanded ? [row] : [] 
  }
 }
}