过滤数据慢，添加loading效果

src/project/huizhili/AppCooperationPropaganda/selectGridMember.vue

@@ -55,12 +55,17 @@ export default {
   },
   methods: {
     getAllGrids() {
+      uni.showLoading({title: '加载中'})
       this.$http.post('/app/appgirdinfo/listByInfo').then((res) => {
         if (res?.data) {
           let parents = res.data.map(e => e.parentGirdId)
           this.allData = res.data.map(e => ({...e, hasChildren: parents.includes(e.id)}))
           this.gridInit()
         }
+      }).then(()=> {
+        uni.hideLoading()
+      }).finally(()=> {
+        uni.hideLoading()
       })
     },
     gridInit() {