feat: 点击tab返回顶部

lib/pages/video/detail/controller.dart

@@ -109,6 +109,7 @@ class VideoDetailController extends GetxController
   ].obs;
   RxDouble sheetHeight = 0.0.obs;
   RxString archiveSourceType = 'dash'.obs;
+  ScrollController? replyScrillController;
 
   @override
   void onInit() {
@@ -551,4 +552,15 @@ class VideoDetailController extends GetxController
       cover.value = videoItem['pic'] = pic;
     }
   }
+
+  void onControllerCreated(ScrollController controller) {
+    replyScrillController = controller;
+  }
+
+  void onTapTabbar(int index) {
+    if (index == 1 && tabCtr.index == 1) {
+      replyScrillController?.animateTo(0,
+          duration: const Duration(milliseconds: 300), curve: Curves.ease);
+    }
+  }
 }

lib/pages/video/detail/reply/view.dart

@@ -19,12 +19,14 @@ class VideoReplyPanel extends StatefulWidget {
   final int? oid;
   final int rpid;
   final String? replyLevel;
+  final Function(ScrollController)? onControllerCreated;
 
   const VideoReplyPanel({
     this.bvid,
     this.oid,
     this.rpid = 0,
     this.replyLevel,
+    this.onControllerCreated,
     super.key,
   });
 
@@ -68,6 +70,7 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
 
     _futureBuilderFuture = _videoReplyController.queryReplyList();
     scrollController = ScrollController();
+    widget.onControllerCreated?.call(scrollController);
     fabAnimationCtr.forward();
     scrollListener();
   }

lib/pages/video/detail/view.dart

@@ -387,6 +387,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                   dividerColor: Colors.transparent,
                   tabs:
                       vdCtr.tabs.map((String name) => Tab(text: name)).toList(),
+                  onTap: (index) => vdCtr.onTapTabbar(index),
                 ),
               ),
             ),
@@ -676,6 +677,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
                           () => VideoReplyPanel(
                             bvid: vdCtr.bvid,
                             oid: vdCtr.oid.value,
+                            onControllerCreated: vdCtr.onControllerCreated,
                           ),
                         )
                       ],