图集滑动优化

@@ -114,7 +114,32 @@ export struct MultiPictureDetailPageComponent {
 
   build() {
     RelativeContainer() {
-      this.init()
+      if (this.contentDetailData.rmhPlatform == 1) {
+        this.rmh()
+      }
+      if (this.contentDetailData?.photoList && this.contentDetailData?.photoList?.length > 0) {
+        this.imgSwiper()
+      }
+      if (this.netStatus !== undefined) {
+        this.noNet()
+      }
+      if (this.isOffLine) {
+        this.offLine()
+      }
+      Column() {
+        if (!this.showDownload) {
+          this.NShowDownload()
+        }
+        if (this.showDownload) {
+          this.YShowDownload()
+        }
+      }
+      .zIndex(10)
+      .id('e_swiper_bottom')
+      .alignRules({
+        bottom: { anchor: "__container__", align: VerticalAlign.Bottom },
+        middle: { anchor: "__container__", align: HorizontalAlign.Center }
+      })
       CommentDialogView({
         index: $index,
         currentIndex: $currentIndex,
@@ -131,8 +156,7 @@ export struct MultiPictureDetailPageComponent {
   }
 
   @Builder
-  init() {
-    if (this.contentDetailData.rmhPlatform == 1) {
+  rmh() {
     if (!this.showDownload) {
       Row() {
         Row({ space: 8 }) {
@@ -275,9 +299,10 @@ export struct MultiPictureDetailPageComponent {
         TransitionEffect.translate({ x: 0, y: `-${this.topSafeHeight + 12}px` })
       ))
     }
-
   }
-    if (this.contentDetailData?.photoList && this.contentDetailData?.photoList?.length > 0) {
+
+  @Builder
+  imgSwiper() {
     Swiper(this.swiperController) {
       ForEach(this.contentDetailData.photoList, (item: PhotoListBean) => {
         Swiper(this.swiperControllerItem) {
@@ -290,6 +315,7 @@ export struct MultiPictureDetailPageComponent {
         .cachedCount(1)
         .indicator(false)
         .displayCount(1)
+        .loop(false)
         .onGestureSwipe((index: number, extraInfo: SwiperAnimationEvent) => {
           console.info("onGestureSwipe current offset: " + extraInfo.currentOffset)
           this.currentOffset = Math.abs(extraInfo.currentOffset)
@@ -315,7 +341,7 @@ export struct MultiPictureDetailPageComponent {
     .indicator(false)
     .displayCount(1)
     .loop(false)
-      .effectMode(EdgeEffect.None)
+    .effectMode(EdgeEffect.Spring)
     .id('e_swiper_content')
     .alignRules({
       center: { anchor: "__container__", align: VerticalAlign.Center },
@@ -329,33 +355,9 @@ export struct MultiPictureDetailPageComponent {
       this.showDownload = !this.showDownload
     })
   }
-    if (this.netStatus !== undefined) {
-      EmptyComponent({
-        emptyType: 1, emptyButton: true, retry: () => {
-          this.getContentDetailData()
-        }
-      })
-        .id('e_empty_content')
-        .alignRules({
-          center: { anchor: "__container__", align: VerticalAlign.Center },
-          middle: { anchor: "__container__", align: HorizontalAlign.Center }
-        })
-    }
-    if (this.isOffLine) {
-      EmptyComponent({
-        emptyType: 15, emptyButton: true, retry: () => {
-          this.getContentDetailData
-        }
-      })
-        .id('e_empty_content')
-        .alignRules({
-          center: { anchor: "__container__", align: VerticalAlign.Center },
-          middle: { anchor: "__container__", align: HorizontalAlign.Center }
-        })
-        .backgroundColor(Color.Black)
-    }
-    Column() {
-      if (!this.showDownload) {
+
+  @Builder
+  NShowDownload() {
     Column() {
       Row() {
         Scroll(this.scroller) {
@@ -421,7 +423,9 @@ export struct MultiPictureDetailPageComponent {
         }
         .scrollable(ScrollDirection.Vertical)
         .scrollBarWidth(0)
-            .height(px2vp(this.titleHeight))
+        .constraintSize({
+          maxHeight: px2vp(this.titleHeight)
+        })
         .align(Alignment.Bottom)
       }
 
@@ -442,7 +446,9 @@ export struct MultiPictureDetailPageComponent {
       TransitionEffect.translate({ x: 0, y: `-${this.bottomSafeHeight}px` })
     ))
   }
-      if (this.showDownload) {
+
+  @Builder
+  YShowDownload() {
     Column() {
       Row() {
         Flex({
@@ -488,13 +494,34 @@ export struct MultiPictureDetailPageComponent {
       TransitionEffect.translate({ x: 0, y: `${this.bottomSafeHeight}px` })
     ))
   }
+
+  @Builder
+  noNet() {
+    EmptyComponent({
+      emptyType: 1, emptyButton: true, retry: () => {
+        this.getContentDetailData()
+      }
+    })
+      .id('e_empty_content')
+      .alignRules({
+        center: { anchor: "__container__", align: VerticalAlign.Center },
+        middle: { anchor: "__container__", align: HorizontalAlign.Center }
+      })
   }
-    .zIndex(10)
-    .id('e_swiper_bottom')
+
+  @Builder
+  offLine() {
+    EmptyComponent({
+      emptyType: 15, emptyButton: true, retry: () => {
+        this.getContentDetailData
+      }
+    })
+      .id('e_empty_content')
       .alignRules({
-      bottom: { anchor: "__container__", align: VerticalAlign.Bottom },
+        center: { anchor: "__container__", align: VerticalAlign.Center },
         middle: { anchor: "__container__", align: HorizontalAlign.Center }
       })
+      .backgroundColor(Color.Black)
   }
 
   getContentDetailData() {