feat：优化搜索框显示

@@ -25,6 +25,7 @@ export struct SearchComponent {
   @State isClickedHintSearch: boolean = false
   private swiperController: SwiperController = new SwiperController()
   @State searchText: string = ''
+  @State searchTextNum: number = 0
   controller: SearchController = new SearchController()
   @State searchHistoryData: SearchHistoryItem[] = []
   @State relatedSearchContentsData: SearchRelatedItem[] = []
@@ -281,7 +282,7 @@ export struct SearchComponent {
       //左
       Stack({ alignContent: Alignment.Start }) {
         if (this.searchTextData != null && this.searchTextData.length > 0 && !this.hasInputContent &&
-        StringUtils.isEmpty(this.searchText)) {
+        this.searchTextNum  === 0) {
           Swiper(this.swiperController) {
             ForEach(this.searchTextData, (item: string, index: number) => {
               Text(item)
@@ -320,6 +321,10 @@ export struct SearchComponent {
               style: CancelButtonStyle.INVISIBLE
             })
             .caretStyle({ color: Color.Pink })
+            ///监听搜索框变化
+            .onTextSelectionChange((selectionStart: number) =>{
+              this.searchTextNum = selectionStart;
+            })
             .onSubmit((value: string) => {
               if (StringUtils.isNotEmpty(this.searchText)) {
                 SearcherAboutDataModel.putSearchHistoryData(this.searchText)