element ui按钮控制展开行

<template>
  <el-card>
    <el-table :data="tableData" style="width: 100%" border ref="table">
      <el-table-column label="商品 ID" prop="id">
      </el-table-column>
      <el-table-column label="商品名称" prop="name">
      </el-table-column>
      <el-table-column label="描述" prop="desc">
      </el-table-column>
      <el-table-column label="操作" width="100">
        <template slot-scope="scope">
          <el-button type="text" @click="handleToogleExpand(scope.row)">查看详情</el-button>
        </template>
      </el-table-column>
      <el-table-column type="expand" width="1">
        <template slot-scope="props">
          <el-form label-position="left" inline class="demo-table-expand">
              <el-form-item label="商品名称">
                <span>{{ props.row.name }}</span>
              </el-form-item>
              <el-form-item label="所属店铺">
                <span>{{ props.row.shop }}</span>
              </el-form-item>
              <el-form-item label="商品 ID">
                <span>{{ props.row.id }}</span>
              </el-form-item>
              <el-form-item label="店铺 ID">
                <span>{{ props.row.shopId }}</span>
              </el-form-item>
              <el-form-item label="商品分类">
                <span>{{ props.row.category }}</span>
              </el-form-item>
              <el-form-item label="店铺地址">
                <span>{{ props.row.address }}</span>
              </el-form-item>
              <el-form-item label="商品描述">
                <span>{{ props.row.desc }}</span>
              </el-form-item>
          </el-form>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>
<script>
  export default {
    data() {
      return {
        tableData: [{
          id: '12987122',
          name: '好滋好味鸡蛋仔',
          category: '江浙小吃、小吃零食',
          desc: '荷兰优质淡奶，奶香浓而不腻',
          address: '上海市普陀区真北路',
          shop: '王小虎夫妻店',
          shopId: '10333'
        }, {
          id: '12987123',
          name: '好滋好味鸡蛋仔',
          category: '江浙小吃、小吃零食',
          desc: '荷兰优质淡奶，奶香浓而不腻',
          address: '上海市普陀区真北路',
          shop: '王小虎夫妻店',
          shopId: '10333'
        }, {
          id: '12987125',
          name: '好滋好味鸡蛋仔',
          category: '江浙小吃、小吃零食',
          desc: '荷兰优质淡奶，奶香浓而不腻',
          address: '上海市普陀区真北路',
          shop: '王小虎夫妻店',
          shopId: '10333'
        }, {
          id: '12987126',
          name: '好滋好味鸡蛋仔',
          category: '江浙小吃、小吃零食',
          desc: '荷兰优质淡奶，奶香浓而不腻',
          address: '上海市普陀区真北路',
          shop: '王小虎夫妻店',
          shopId: '10333'
        }]
      }
    },
    methods: {
      handleToogleExpand(row) {
        let $table = this.$refs.table;
        this.tableData.map((item) => {
          if (row.id != item.id) {
            $table.toggleRowExpansion(item, false);
          }
        })
        $table.toggleRowExpansion(row);
      }
    }
  }

</script>
<style>
  .demo-table-expand {
    font-size: 0;
  }

  .demo-table-expand label {
    width: 90px;
    color: #99a9bf;
  }

  .demo-table-expand .el-form-item {
    margin-right: 0;
    margin-bottom: 0;
    width: 50%;
  }

</style>