element-ui的表格树使用（完整版）

表格树，element-tree-grid需要单独下载并再配合elementUi里el-table使用。
步骤：1、npm install element-tree-grid --save（下载element-tree-grid）
步骤：2、在main.js中引用import ElTreeGrid from 'element-tree-grid' Vue.component(ElTreeGrid.name,ElTreeGrid)

效果截图

QQ截图20200708152341.png

代码实现

THIS IS TITLE

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<!-- 菜单树 -->
<template>
  <div class="menus-tree">
  <el-table :data="model.menus" border max-height="400" ref="table">
      <el-table-column prop="id" label="id" type="selection" fixed></el-table-column>
      <el-table-tree-column fixed :expand-all="!!1" :remote="remote" file-icon="icon icon-file"
          folder-icon="icon icon-folder" prop="label" label="title" width="320" class-name="123"
          header-align="center">
      </el-table-tree-column>
      <el-table-column prop="description" label="Description" :show-overflow-tooltip="true" width="180">
      </el-table-column>
  </el-table>
  </div>
</template>
<script>
    var flatTree = [{
        "id": 1,
        "label": "System",
        "parent_id": null,
        "url": null,
        "depth": 0,
        "child_num": 3,
        "description": "System Manager"
    }, {
        "id": 2,
        "label": "base",
        "parent_id": 1,
        "depth": 1,
        "child_num": 5,
        "description": "Base Manager",
    }, {
        "id": 3,
        "label": "Menus",
        "parent_id": 2,
        "depth": 2,
        "child_num": 0,
        "description": "menu manager",
    }, {
        "id": 4,
        "label": "Roles",
        "parent_id": 2,
        "depth": 2,
        "child_num": 0,
        "description": "Role Manager",
    }, {
        "id": 5,
        "label": "Users",
        "parent_id": 2,
        "depth": 2,
        "child_num": 0,
        "description": "User Manager",
    }, {
        "id": 6,
        "label": "Customs",
        "parent_id": null,
        "url": null,
        "depth": 0,
        "child_num": 2,
        "description": "Custom Manager",
    }, {
        "id": 7,
        "label": "CustomList",
        "parent_id": 6,
        "depth": 1,
        "child_num": 0,
        "description": "CustomList",
    }, {
        "id": 8,
        "label": "Templates",
        "parent_id": null,
        "url": null,
        "depth": 0,
        "child_num": 1,
        "description": "Template Manager",
    }, {
        "id": 9,
        "label": "TemplateList",
        "parent_id": 8,
        "depth": 1,
        "child_num": 0,
        "description": "Template Manager",
    }, {
        "id": 10,
        "label": "Bussiness",
        "parent_id": null,
        "url": null,
        "depth": 0,
        "child_num": 2,
        "description": "Bussiness Manager",
    },
    {
        "id": 11,
        "label": "BussinessList",
        "parent_id": 10,
        "url": null,
        "depth": 1,
        "child_num": 2,
        "description": "BussinessList",
        "children": []
    }, {
        "id": 12,
        "label": "Currencies",
        "parent_id": 11,
        "depth": 2,
        "child_num": 0,
        "description": "Currencies",
    }, {
        "id": 13,
        "label": "Dealtypes",
        "parent_id": 11,
        "depth": 2,
        "child_num": 0,
        "description": "Dealtypes",
    }, {
        "id": 14,
        "label": "Products",
        "parent_id": 10,
        "url": null,
        "depth": 1,
        "child_num": 2,
        "description": "Products"
    }, {
        "id": 15,
        "label": "ProductTypes",
        "parent_id": 14,
        "depth": 2,
        "child_num": 0,
        "description": "ProductTypes",
    }, {
        "id": 16,
        "label": "ProductList",
        "parent_id": 14,
        "depth": 2,
        "child_num": 0,
        "description": "ProductList",
    }]
      export default {
        data() {
          return {
             model: {
                 menus: flatTree.filter(f => f['parent_id'] == null)
             }
             
          }
        },
        methods: {
        remote(row, callback) {
            callback(flatTree.filter(f => f['parent_id'] == row['id']))
        },
        formatter(row, column) {
            return ' ---  ' + row.label;
        },
        cl() {
            this.$refs.table.$emit("clearTreeCloumn")
        }
        }
      }
    </script>
  <style type="text/css">
        
        .icon-file {
            padding-right: 7px;
            padding-left: 18px
        }
 
        .icon-folder,
        .icon-folder-open {
            padding-left: 7px;
            padding-right: 7px
        }
    </style>