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features/Home/src/main/ets/components/ItemComp.ets

@@ -43,7 +43,7 @@ export struct ItemComp {
                {
                  Stack()
                  {
-                   Image(BasicConstant.urlHtml+this.item.liveimg).width('100%').height(162)
+                   Image(BasicConstant.urlHtml+this.item.liveimg).width('100%').height(162).alt($r('app.media.home_scroll_default1'))
                      .objectFit(ImageFit.Fill)
                    if(this.status!=''&&(this.status!='已结束'&&this.status!='回访中'))
                    {

features/Home/src/main/ets/components/ItemCompBack.ets

@@ -41,7 +41,7 @@ export struct ItemCompBack {
                {
                  Stack()
                  {
-                   Image(BasicConstant.urlHtml+this.item.liveimg).width('100%').height(162)
+                   Image(BasicConstant.urlHtml+this.item.liveimg).width('100%').height(162).alt($r('app.media.home_scroll_default1'))
                      .objectFit(ImageFit.Fill)
                      Image($r('app.media.bofang')).width(40).height(40)
                  }

features/Home/src/main/ets/components/ItemCompVideo.ets

@@ -18,7 +18,7 @@ export struct ItemCompVideo {
   build() {
     Column() {
 
-      Image(BasicConstant.urlHtml+this.item.imgpath).width('100%').height(102)
+      Image(BasicConstant.urlHtml+this.item.imgpath).alt($r('app.media.default_video')).width('100%').height(102)
         .objectFit(ImageFit.Fill)
 
             Text(this.item.name).maxLines(2).fontSize(15).fontColor('app.color.666666').textAlign(TextAlign.Start).height(36)

features/Home/src/main/ets/components/ListComp.ets

@@ -13,6 +13,9 @@ export struct ListComp {
   @State
   list: ItemModel[] = []
   controller = new HdListController()
+  scroller: Scroller = new Scroller()
+  @Consume@Watch('gotoTop')
+  toTop:boolean;
   @State
   page: number = 1
   @State
@@ -128,6 +131,7 @@ export struct ListComp {
       HdList({
         lw: 1,
         controller: this.controller,
+        scroller:this.scroller,
         onRefresh: () => {
           this.onRefresh()
         },
@@ -145,5 +149,10 @@ export struct ListComp {
     }
 
 
+  }
+  gotoTop()
+  {
+    this.scroller.scrollToIndex(0);
+
   }
 }

features/Home/src/main/ets/components/ListCompGandan.ets

@@ -11,12 +11,16 @@ import HashMap from '@ohos.util.HashMap';
 export struct ListCompGandan {
   @State isEmptyViewVisible: boolean = false; // 控制显隐的状态变量
   @Prop@Watch('onUpdate') sort:string='2'
+
+  @Consume@Watch('gotoTop')
+  toTop:boolean;
   @Prop@Watch('onUpdate')
   type_uuid:string=''
   @Prop@Watch('onUpdate') keywords:string=''
   @State
   list: VideoMore[] = []
   controller = new HdListController()
+  scroller: Scroller = new Scroller()
   @State
   page: number = 1
 
@@ -92,6 +96,7 @@ export struct ListCompGandan {
   }
 
   build() {
+
     if (this.isEmptyViewVisible){
       EmptyViewComp({promptText:'暂无数据',isVisibility:this.isEmptyViewVisible})
         .width('100%')
@@ -100,6 +105,7 @@ export struct ListCompGandan {
       HdGrid({
         lw: 1,
         controller: this.controller,
+        scroller:this.scroller,
         onRefresh: () => {
           this.onRefresh()
         },
@@ -115,4 +121,9 @@ export struct ListCompGandan {
       }
     }
   }
+  gotoTop()
+  {
+      this.scroller.scrollToIndex(0);
+
+  }
 }