vue2中实现treeTable进行多层级多选效果

效果

代码

<template>
    <div class="home">
        
        <el-table
            :data="tableData"
            style="width: 100%; margin-bottom: 20px"
            row-key="id"
            border
            ref="multipleTable"
            default-expand-all
            @selection-change="handleSelectionChange"
            @select-all="selectAll"
            @select="rowSelect"
            :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        >
            <el-table-column type="selection" width="55"> </el-table-column>
            <el-table-column prop="date" label="日期" sortable width=&