fix:bug[17178] 无网络-触发搜索，页面空白

@@ -140,7 +140,13 @@ export struct SearchComponent {
       } else {
         if (this.hasChooseSearch) {
           //搜索结果
-          SearchResultComponent({count:this.count,searchText:this.searchText,isGetRequest:this.isGetRequest})
+          SearchResultComponent({count:this.count,searchText:this.searchText,isGetRequest:this.isGetRequest,onClickTryAgain: (): void => {
+            if(StringUtils.isNotEmpty(this.searchText)){
+              SearcherAboutDataModel.putSearchHistoryData(this.searchText)
+              this.getSearchHistoryData()
+              this.getSearchInputResData(this.searchText)
+            }
+          }})
         } else {
           //联想搜索
           SearchRelatedComponent({relatedSearchContentData:$relatedSearchContentsData,onGetSearchRes: (item): void => this.getSearchRelatedResData(item),searchText:this.searchText})

 import { CompDTO, ContentDTO } from 'wdBean/Index'
-import { LazyDataSource, UserDataLocal } from 'wdKit/Index'
+import { LazyDataSource, NetworkUtil, UserDataLocal } from 'wdKit/Index'
 import { HttpUtils } from 'wdNetwork/Index'
 import SearcherAboutDataModel from '../../model/SearcherAboutDataModel'
 import { SearchSuggestRequestItem } from '../../viewmodel/SearchSuggestRequestItem'
@@ -26,6 +26,8 @@ export struct SearchResultComponent {
   @State suggest_count: number = 0;
   @State isLoading: boolean = false
   scroller: Scroller = new Scroller()
+  onClickTryAgain?: () => void;
+  @State isConnectNetwork : boolean = NetworkUtil.isNetConnected()
 
   aboutToAppear(): void {
     if (this.count.length === 0 && this.isGetRequest == true) {
@@ -67,9 +69,22 @@ export struct SearchResultComponent {
         List() {
           ListItem() {
             //缺省图
-            EmptyComponent({emptyType:4})
-              .height('612lpx')
-              .width('100%')
+            if(this.isConnectNetwork){
+              EmptyComponent({emptyType:4})
+                .height('612lpx')
+                .width('100%')
+            }else{
+              EmptyComponent({ emptyType: 1,emptyHeight:"100%" ,retry: () => {
+                this.isConnectNetwork = NetworkUtil.isNetConnected()
+                if(this.isConnectNetwork){
+                  if (this.onClickTryAgain !== undefined) {
+                    this.onClickTryAgain()
+                  }
+                }
+              }})
+                .height("100%")
+                .width('100%')
+            }
           }
           if(this.suggest_count > 0){
             ListItem() {