前言
今天，回老家了。第一件事就是回家把大屏安排上，写作的感觉太爽了，终于可以专心地写文章了。我们今天要做的项目是怎么样搭建一个无限级联层级表格组件，好了，多了不多说，赶快行动起来吧！ 项目一览
到底是啥样子来？我们来看下。
正如你所看到的那样，这个组件涉及添加、删除、编辑功能，并且可以无限级嵌套。那么怎样实现的？我们来看下。 源码
直接给出源码，就是这么直接。
代码语言：javascript复制<template>
<div class="container">
<el-button
type="primary"
size="small"
@click="handleCreate"
icon="el-icon-circle-plus-outline"
style="margin: 10px 0"
>添加</el-button
>
<el-table
:data="tableData"
style="width: 100%; margin-bottom: 20px"
border
row-key="value"
stripe
size="medium"
:tree-props="{ children: 'children' }"
>
<el-table-column prop="label" label="标签名称"> </el-table-column>
<el-table-column prop="location" label="层级"> </el-table-column>
<el-table-column label="操作" :align="alignDir" width="180">
<template slot-scope="scope">
<el-button
type="text"
size="small"
@click="handleUpdate(scope.row)"
>编辑</el-button
>
<el-button
type="text"
size="small"
@click="deleteClick(scope.row)"
>删除</el-button
>
</template>
</el-table-column>
</el-table>
<el-dialog
:title="textMap[dialogStatus]"
:visible.sync="dialogFormVisible"
width="30%"
>
<el-form
ref="dataForm"
:rules="rules"
:model="temp"
label-position="left"
label-width="120px"
style="margin-left: 50px"
>
<el-form-item
label="层级："
prop="location"
v-if="dialogStatus !== 'update'"
>
<el-select
v-model="temp.location"
placeholder="请选择层级"
@change="locationChange"
size="small"
>
<el-option
v-for="item in locationData"
:key="item.id"
:label="item.name"
:value="item.id"
/>
</el-select>
</el-form-item>
<el-form-item
v-if="sonStatus && dialogStatus !== 'update'"
label="子位置："
prop="children"
>
<el-cascader
size="small"
:key="isResouceShow"
v-model="temp.children"
placeholder="请选择子位置"
:label="'label'"
:value="'value'"
:options="tableData"
:props="{ checkStrictly: true }"
clearable
@change="getCasVal"
></el-cascader>
</el-form-item>
<el-form-item label="标签名称：" prop="label">
<el-input
v-model="temp.label"
size="small"
autocomplete="off"
placeholder="请输入标签名称"
></el-input>
</el-form-item>
</el-form>
<div slot="footer" class="dialog-footer">
<el-button @click="dialogFormVisible = false" size="small">
取消
</el-button>
<el-button
type="primary"
size="small"
@click="
dialogStatus === 'create' ? createData() : updateData()
"
>
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