轉:https://www.jianshu.com/p/e51ba4cb11d6
先上效果

效果圖
三要素
1、row-click 點擊行
2、ref 自行了解vue
3、toggleRowExpansion
toggleRowExpansion() // 參數1是單擊行的row,參數2是true 或者false
代碼
<template> <el-table :data="tableData5" @row-click="clickTable" ref="refTable" style="width: 100%"> <el-table-column type="expand"> <template slot-scope="props"> <el-form label-position="left" inline class="demo-table-expand"> <el-form-item label="商品名稱"> <span>{{ props.row.name }}</span> </el-form-item> <el-form-item label="所屬店鋪"> <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="店鋪 ID"> <span>{{ props.row.shopId }}</span> </el-form-item> <el-form-item label="商品分類"> <span>{{ props.row.category }}</span> </el-form-item> <el-form-item label="店鋪地址"> <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-column label="商品 ID" prop="id"> </el-table-column> <el-table-column label="商品名稱" prop="name"> </el-table-column> <el-table-column label="描述" prop="desc"> </el-table-column> </el-table> </template> <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> <script> export default { data() { return { tableData5: [{ id: '12987122', name: '好滋好味雞蛋仔', category: '江浙小吃、小吃零食', desc: '荷蘭優質淡奶,奶香濃而不膩', address: '上海市普陀區真北路', shop: '王小虎夫妻店', shopId: '10333' }, { id: '12987123', name: '好滋好味雞蛋仔', category: '江浙小吃、小吃零食', desc: '荷蘭優質淡奶,奶香濃而不膩', address: '上海市普陀區真北路', shop: '王小虎夫妻店', shopId: '10333' }, { id: '12987125', name: '好滋好味雞蛋仔', category: '江浙小吃、小吃零食', desc: '荷蘭優質淡奶,奶香濃而不膩', address: '上海市普陀區真北路', shop: '王小虎夫妻店', shopId: '10333' }, { id: '12987126', name: '好滋好味雞蛋仔', category: '江浙小吃、小吃零食', desc: '荷蘭優質淡奶,奶香濃而不膩', address: '上海市普陀區真北路', shop: '王小虎夫妻店', shopId: '10333' }] } }, methods: { clickTable(row,index,e){ this.$refs.refTable.toggleRowExpansion(row) } } </script>