搜索菜单默认展开第一层

src/views/modules/base/community/community.vue

@@ -19,6 +19,7 @@
                  :filter-node-method="filterNode"
                  @node-click="handleNodeClick"
                  lazy
+                 :default-expanded-keys="autoOpenArr"
 				      	:load="lazyLoadTree">
 
           <span slot-scope="{ node, data }"
@@ -303,7 +304,6 @@ import { Loading } from 'element-ui' // 引入Loading服务
 import nextTick from 'dai-js/tools/nextTick'
 import debounce from "lodash/debounce";
 import deepClone from "@/utils/deepClone.js";
-
 let loading // 加载动画
 export default {
   data () {
@@ -322,6 +322,7 @@ export default {
       return time.getTime() > nowData
     }
     return {
+      autoOpenArr:[],
       boxHeight: true,
       searchHeight: 190,
       filterText: '',
@@ -542,11 +543,13 @@ export default {
       const {data,code,msg} = await requestGet(url)
        if(data[0].children.length>0){
         this.treeData = data
+        this.autoOpenArr.push(this.treeData[0].id);
        }else{
         this.treeData = []
         setTimeout(() => {
           this.loadTree()
         }, 5)
+      
         this.$message.error('暂未找到!')
        }
       }else {