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           

代码实现            

 THIS IS TITLE                           

<!-- 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>