下面的頁面進行三級頁面列表渲染 使用了el中的Layout布局 每一行占24個格

<!-- 角色列表區域 -->
<el-table :data="rolelist" border stripe>
<!-- 展開列 -->
<el-table-column type="expand">
<template slot-scope="scope">
<el-row :class="['bdbottom', i1 === 0 ? 'bdtop' : '', 'vcenter']" v-for="(item1, i1) in scope.row.children" :key="item1.id">
<!-- 渲染一級權限 -->
<el-col :span="5">
<el-tag closable @close="removeRightById(scope.row, item1.id)">{{item1.authName}}</el-tag>
<i class="el-icon-caret-right"></i>
</el-col>
<!-- 渲染二級和三級權限 -->
<el-col :span="19">
<!-- 通過 for 循環 嵌套渲染二級權限 -->
<el-row :class="[i2 === 0 ? '' : 'bdtop', 'vcenter']" v-for="(item2, i2) in item1.children" :key="item2.id">
<el-col :span="6">
<el-tag type="success" closable @close="removeRightById(scope.row, item2.id)">{{item2.authName}}</el-tag>
<i class="el-icon-caret-right"></i>
</el-col>
<el-col :span="18">
<el-tag type="warning" v-for="item3 in item2.children" :key="item3.id" closable @close="removeRightById(scope.row, item3.id)">{{item3.authName}}</el-tag>
</el-col>
</el-row>
</el-col>
</el-row>
<!-- <pre>
{{scope.row}}
</pre> -->
</template>
</el-table-column>
<!-- 索引列 -->
<el-table-column type="index"></el-table-column>
<el-table-column label="角色名稱" prop="roleName"></el-table-column>
<el-table-column label="角色描述" prop="roleDesc"></el-table-column>
<el-table-column label="操作" width="300px">
<template slot-scope="scope">
<el-button size="mini" type="primary" icon="el-icon-edit">編輯</el-button>
<el-button size="mini" type="danger" icon="el-icon-delete">刪除</el-button>
<el-button size="mini" type="warning" icon="el-icon-setting" @click="showSetRightDialog(scope.row)">分配權限</el-button>
</template>
</el-table-column>
.vcenter { display: flex; align-items: center; }
