HTML
<el-table-column label="#" align="center" type="expand">
<template slot-scope="props">
<el-table :data="props.row.children" align="center" stripe>
<el-table-column align="center" v-for="(item,index) in cities" :label="item.label" :key="index" :prop="item.property">
</el-table-column>
</el-table>
</template>
</el-table-column>
<el-table-column prop="date" label="协议编号" width="180" align="center">
</el-table-column>
<el-table-column prop="name" label="设备类型" width="180" align="center">
</el-table-column>
<el-table-column prop="address" label="创建人" align="center">
</el-table-column>
<el-table-column prop="address" label="创建时间" align="center">
</el-table-column>
<el-table-column prop="address" label="是否已关联设备" align="center">
</el-table-column>
<el-table-column prop="address" label="描述" align="center">
</el-table-column>
<el-table-column label="操作" align="center">
<template slot-scope="scope">
<el-button size="mini" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
<el-button size="mini" type="danger" @click="handleDelete(scope.$index, scope.row)">删除</el-button>
<el-button size="mini" @click="handleDelete(scope.$index, scope.row)">导出</el-button>
</template>
</el-table-column>
</el-table>
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: '2016-05-01',
name: '王小虎',
address: '上海市普陀区金沙江路 1519 弄',
children: [{
stationCode: 'stationCode数据',
stationName: 'stationName数据',
sta: 'sta数据'
}, {
stationCode: 'stationCode数据',
stationName: 'stationName数据',
sta: 'sta数据'
}]
}],
cities: [{
label: "电站编号",
property: "stationCode",
},
{
label: "电站名称",
property: "stationName",
}, {
label: "区号",
property: "sta",
},
],