vue ztree 结合使用
 配置package.json
 打包下载jquery以及ztree
   "dependencies": {     "element-ui": "^2.1.0",     "vue": "^2.5.2",     "axios": "^0.16.1",     "jquery":"3.3.1",     "vue-awesome":"2.3.4",     "ztree":"3.5.24"   }, 
 自动加载jquery
 项目build的时候自动加载jquery,并且输出到jQuery中,在ztree中会使用到jQuery。
 plugins: [     new webpack.ProvidePlugin({       jQuery:'jquery',       $:'jquery',     })   ] 
 import jquery以及ztree
   import 'jquery'   import  'ztree'   import 'ztree/css/metroStyle/metroStyle.css' 
 调用ztree生成树形结构
 export default {     data() {       return {         nodeData: [{           name: "父节点1", children: [             {name: "子节点1"},             {name: "子节点2"}           ]         }],         setting:{           view: {             showLine: false           },           data: {             simpleData: {               enable: true             }           },           callback: {             onClick: this.getFileDesc           }         }       }     },     mounted(){       let nodeData = this.nodeData       $.fn.zTree.init($("#uploadtree"), this.setting, nodeData);     }   }