点击tabbar

products/expert/src/main/ets/pages/Tabbar/TabBarComp.ets

@@ -14,7 +14,8 @@ export struct TabBarComp {
   @State
   isLandscape: boolean = false
   listenerScreen = mediaquery.matchMediaSync('(orientation: landscape) and (device-type: tablet)')
-
+  @Provide
+  toTop:boolean=false;
   aboutToAppear() {
     this.listenerScreen.on('change', (mediaQueryResult) => {
       this.isLandscape = mediaQueryResult.matches
@@ -53,6 +54,7 @@ export struct TabBarComp {
     .barPosition(this.isLandscape ? BarPosition.Start : BarPosition.End)
     .onTabBarClick((index) => {
       this.activeIndex = index
+      this.toTop=!this.toTop
     })
     .barHeight(this.isLandscape ? $r('app.float.tab_bar_item_height_lg') : $r('app.float.tab_bar_item_height_sm'))
     .scrollable(false)