el-table表格嵌套

在父表嵌入相关联的子表，点击父表的当前行可以展开相关联的子表，再次点击会收起，使用的是type="expand"的属性。
<div class="nested-table-example">
  <el-table :data="tableData" @expand-change="handleExpandChange" style="width: 100%" height="630">
    <el-table-column type="selection" width="45" align="center"></el-table-column>
    <el-table-column type="expand">
       <template slot-scope="scope">
          <div class="nested-table-container">
              <el-table :data="scope.row.emrProvecs" style="width: 100%">
                 <!-- 子表格的列 -->
                 <el-table-column prop="feenm" label="项目名称" align="center"></el-table-column>
                 <el-table-column prop="price" label="单价" align="center"></el-table-column>
                 <el-table-column prop="qty" label="数量" align="center"></el-table-column>
                 <el-table-column prop="referPrice" label="参考总金额" align="center"></el-table-column>
               </el-table>
            </div>
         </template>
      </el-table-column>
      <el-table-column label="操作" fixed  align="center" width="160">
         <template  slot-scope="scope">
            <el-button size="small" v-show="scope.row.state== '未确认' ">确认</el-button>
            <el-button size="small">删除</el-button>
            <el-button size="small" v-show="scope.row.state== '已确认' ">打印</el-button>
          </template>
       </el-table-column>
       <el-table-column prop="prvnm"  label="单据名称" align="center" width="200"></el-table-column>
        <el-table-column prop="billDoc" label="开单医生" align="center"></el-table-column>
        <el-table-column prop="billDate" label="开单日期" align="center" width="200"></el-table-column>
        <el-table-column prop="state" label="状态" align="center"></el-table-column>
        <el-table-column prop="proveContent" label="明细内容" align="center"></el-table-column>
    </el-table>
</div>




vdata:tableData:[],//保存列表查询结果

vmethod：
//获取申请单列表数据（分页）
getProvePagedList(pageIndex){
  httpApi.proveApi.getProvePagedList({
     pageIndex:pageIndex,
     pageSize:12,
     patId:this.$store.state.patid
   }).then(res=>{
       this.tableData=res.data.data.items
   })
},
// 在这里可以处理展开或收起的逻辑
handleExpandChange(row) {
  console.log(row);
},
el-table表格嵌套

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