使用 vxe-table 来实现左边是树，右边是表格联动功能，当需要实现左右两侧联动时，表格 vxe-grid 配合分割模板 vxe-split 就很容易实现了

查看官网：https://vxetable.cn
gitbub：https://github.com/x-extends/vxe-table
gitee：https://gitee.com/x-extends/vxe-table

预览

代码

<template>
  <div>
    <vxe-split height="600" border padding>
      <vxe-split-item width="200" min-width="100">
        <vxe-tree v-bind="treeOptions" @current-change="currentChangeEvent"></vxe-tree>
      </vxe-split-item>

      <vxe-split-item min-width="300">
        <vxe-grid v-bind="gridOptions"></vxe-grid>
      </vxe-split-item>
    </vxe-split>
  </div>
</template>

<script>
import XEUtils from 'xe-utils'

export default {
  data () {
    const treeOptions = {
      transform: true,
      keyField: 'id',
      parentField: 'parentId',
      titleField: 'title',
      nodeConfig: {
        isHover: true,
        isCurrent: true
      },
      data: [
        { title: '节点2', id: '2', parentId: null },
        { title: '节点3', id: '3', parentId: null },
        { title: '节点3-1', id: '31', parentId: '3' },
        { title: '节点3-2', id: '32', parentId: '3' },
        { title: '节点3-2-1', id: '321', parentId: '32' },
        { title: '节点3-2-2', id: '322', parentId: '32' },
        { title: '节点3-3', id: '33', parentId: '3' },
        { title: '节点3-3-1', id: '331', parentId: '33' },
        { title: '节点3-3-2', id: '332', parentId: '33' },
        { title: '节点3-3-3', id: '333', parentId: '33' },
        { title: '节点3-4', id: '34', parentId: '3' },
        { title: '节点4', id: '4', parentId: null },
        { title: '节点4-1', id: '41', parentId: '4' },
        { title: '节点4-1-1', id: '411', parentId: '42' },
        { title: '节点4-1-2', id: '412', parentId: '42' },
        { title: '节点4-2', id: '42', parentId: '4' },
        { title: '节点4-3', id: '43', parentId: '4' },
        { title: '节点4-3-1', id: '431', parentId: '43' },
        { title: '节点4-3-2', id: '432', parentId: '43' },
        { title: '节点5', id: '5', parentId: null }
      ]
    }
    const gridOptions = {
      border: true,
      loading: false,
      showOverflow: true,
      height: '100%',
      columns: [
        { field: 'seq', type: 'seq', width: 70 },
        { field: 'name', title: 'Name' },
        { field: 'sex', title: 'Sex' },
        { field: 'age', title: 'Age' }
      ],
      data: []
    }
    return {
      treeOptions,
      gridOptions
    }
  },
  created () {
    this.loadRightList()
  },
  methods: {
    loadRightList () {
      // 模拟后端接口
      this.gridOptions.loading = true
      setTimeout(() => {
        const list = [
          { id: 10001, name: 'Test1', role: 'Develop', sex: 'Man', age: 28, address: 'test abc' },
          { id: 10002, name: 'Test2', role: 'Test', sex: 'Women', age: 22, address: 'Guangzhou' },
          { id: 10003, name: 'Test3', role: 'PM', sex: 'Man', age: 32, address: 'Shanghai' },
          { id: 10004, name: 'Test4', role: 'Designer', sex: 'Women', age: 24, address: 'Shanghai' },
          { id: 10005, name: 'Test5', role: 'PM', sex: 'Man', age: 44, address: 'Shanghai' },
          { id: 10006, name: 'Test6', role: 'Designer', sex: 'Women', age: 28, address: 'Guangzhou' },
          { id: 10007, name: 'Test7', role: 'PM', sex: 'Man', age: 46, address: 'test abc' },
          { id: 10008, name: 'Test8', role: 'Designer', sex: 'Women', age: 38, address: 'Shanghai' }
        ]
        this.gridOptions.data = XEUtils.sample(list, XEUtils.random(1, 5))
        this.gridOptions.loading = false
      }, 200)
    },
    currentChangeEvent () {
      this.loadRightList()
    }
  }
}
</script>

https://gitee.com/x-extends/vxe-table