perf(手机端): 资料中心结构树添加loading

src/pages/phone/standDynamics/components/folderPopup.vue

@@ -4,7 +4,8 @@
              :style="{ height: '100%', width: '90%' }"
              round
              :close-on-click-overlay="false"
-             @click-overlay="handleCancel">
+             @click-overlay="handleCancel"
+             get-container="body">
     <h3 class="popup-title">
       <span>体系结构</span>
       <van-icon name="cross" size="22px" @click="handleCancel" />

src/pages/phone/standDynamics/components/folderTree.vue

@@ -18,6 +18,7 @@
           <span style="font-size:18px"> {{ node.label }} </span>
         </span>
       </el-tree>
+      <loading :loading="loading">加载中...</loading>
     </div>
 </template>
 
@@ -31,7 +32,8 @@ export default {
         label: 'name',
         children: 'children'
       },
-      currentKey: ''
+      currentKey: '',
+      loading: false
     }
   },
   created () {
@@ -39,10 +41,13 @@ export default {
   },
   methods: {
     getTreeData () {
+      this.loading = true
       this.$http._getData('fileMaterialCenter/zlTree').then(res => {
         if (res.ok && res.data) {
           this.treeList = res.data
         }
+      }).finally(() => {
+        this.loading = false
       })
     },
     filterNode (value, data) {