opt: pages

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/http_error.dart

@@ -2,35 +2,52 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 
 class HttpError extends StatelessWidget {
-  const HttpError(
+  const HttpError({
-      {required this.errMsg, required this.fn, this.btnText, super.key});
+    this.isSliver = true,
+    this.errMsg,
+    this.callback,
+    this.btnText,
+    super.key,
+  });
 
+  final bool isSliver;
   final String? errMsg;
-  final Function()? fn;
+  final Function()? callback;
   final String? btnText;
 
   @override
   Widget build(BuildContext context) {
-    return SliverToBoxAdapter(
+    return isSliver
-      child: Column(
+        ? SliverToBoxAdapter(child: content(context))
+        : SizedBox(
+            width: double.infinity,
+            child: content(context),
+          );
+  }
+
+  Widget content(BuildContext context) => Column(
+        mainAxisSize: MainAxisSize.min,
         crossAxisAlignment: CrossAxisAlignment.center,
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
+          const SizedBox(height: 40),
           SvgPicture.asset(
             "assets/images/error.svg",
             height: 200,
           ),
           const SizedBox(height: 30),
-          Text(
+          Padding(
-            errMsg ?? '请求异常',
+            padding: const EdgeInsets.symmetric(horizontal: 16),
+            child: SelectableText(
+              errMsg ?? '没有数据',
               textAlign: TextAlign.center,
               style: Theme.of(context).textTheme.titleSmall,
             ),
+          ),
+          if (callback != null) ...[
             const SizedBox(height: 20),
             FilledButton.tonal(
-            onPressed: () {
+              onPressed: callback,
-              fn!();
-            },
               style: ButtonStyle(
                 backgroundColor: WidgetStateProperty.resolveWith((states) {
                   return Theme.of(context).colorScheme.primary.withAlpha(20);
@@ -42,7 +59,7 @@ class HttpError extends StatelessWidget {
               ),
             ),
           ],
-      ),
+          SizedBox(height: 40 + MediaQuery.paddingOf(context).bottom),
+        ],
       );
 }
-}

lib/common/widgets/loading_widget.dart

@@ -0,0 +1,10 @@
+import 'package:PiliPalaX/common/widgets/http_error.dart';
+import 'package:flutter/material.dart';
+
+Widget get loadingWidget => Center(child: CircularProgressIndicator());
+
+Widget errorWidget({errMsg, callback}) => HttpError(
+      isSliver: false,
+      errMsg: errMsg,
+      callback: callback,
+    );

lib/common/widgets/no_data.dart

@@ -1,31 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_svg/flutter_svg.dart';
-
-class NoData extends StatelessWidget {
-  const NoData({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return SliverToBoxAdapter(
-      child: SizedBox(
-        height: 400,
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.center,
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            SvgPicture.asset(
-              "assets/images/error.svg",
-              height: 200,
-            ),
-            const SizedBox(height: 20),
-            Text(
-              '没有数据',
-              textAlign: TextAlign.center,
-              style: Theme.of(context).textTheme.titleSmall,
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}

lib/http/bangumi.dart

@@ -1,5 +1,4 @@
 import 'package:PiliPalaX/http/loading_state.dart';
-import 'package:PiliPalaX/utils/extension.dart';
 
 import '../models/bangumi/list.dart';
 import 'index.dart';
@@ -10,11 +9,7 @@ class BangumiHttp {
     if (res.data['code'] == 0) {
       BangumiListDataModel data =
           BangumiListDataModel.fromJson(res.data['data']);
-      if (!data.list.isNullOrEmpty) {
       return LoadingState.success(data.list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }
@@ -25,11 +20,7 @@ class BangumiHttp {
     if (res.data['code'] == 0) {
       BangumiListDataModel data =
           BangumiListDataModel.fromJson(res.data['data']);
-      if (!data.list.isNullOrEmpty) {
       return LoadingState.success(data.list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }

lib/http/black.dart

@@ -1,5 +1,4 @@
 import 'package:PiliPalaX/http/loading_state.dart';
-import 'package:PiliPalaX/utils/extension.dart';
 
 import '../models/user/black.dart';
 import 'index.dart';
@@ -15,11 +14,7 @@ class BlackHttp {
     });
     if (res.data['code'] == 0) {
       BlackListDataModel data = BlackListDataModel.fromJson(res.data['data']);
-      if (!data.list.isNullOrEmpty) {
       return LoadingState.success(data);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }

lib/http/dynamics.dart

@@ -1,5 +1,4 @@
 import 'package:PiliPalaX/http/loading_state.dart';
-import 'package:PiliPalaX/utils/extension.dart';
 
 import '../models/dynamics/result.dart';
 import '../models/dynamics/up.dart';
@@ -25,11 +24,7 @@ class DynamicsHttp {
     if (res.data['code'] == 0) {
       try {
         DynamicsDataModel data = DynamicsDataModel.fromJson(res.data['data']);
-        if (!data.items.isNullOrEmpty) {
         return LoadingState.success(data);
-        } else {
-          return LoadingState.empty();
-        }
       } catch (err) {
         return LoadingState.error(err.toString());
       }

lib/http/live.dart

@@ -17,11 +17,7 @@ class LiveHttp {
       List<LiveItemModel> list = res.data['data']['list']
           .map<LiveItemModel>((e) => LiveItemModel.fromJson(e))
           .toList();
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }

lib/http/loading_state.dart

@@ -2,7 +2,7 @@ abstract class LoadingState<T> {
   const LoadingState();
 
   factory LoadingState.loading() = Loading;
-  factory LoadingState.empty() = Empty;
+  // factory LoadingState.empty() = Empty;
   factory LoadingState.success(T response) = Success<T>;
   factory LoadingState.error(String errMsg) = Error;
 }
@@ -11,9 +11,9 @@ class Loading extends LoadingState<Never> {
   const Loading();
 }
 
-class Empty extends LoadingState<Never> {
+// class Empty extends LoadingState<Never> {
-  const Empty();
+//   const Empty();
-}
+// }
 
 class Success<T> extends LoadingState<T> {
   final T response;

lib/http/user.dart

@@ -55,11 +55,7 @@ class UserHttp {
       'up_mid': mid,
     });
     if (res.data['code'] == 0) {
-      if (res.data['data'] != null) {
       return LoadingState.success(FavFolderData.fromJson(res.data['data']));
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message'] ?? '账号未登录');
     }
@@ -153,7 +149,7 @@ class UserHttp {
     var res = await Request().get(Api.seeYouLater);
     if (res.data['code'] == 0) {
       if (res.data['data']['count'] == 0) {
-        return LoadingState.empty();
+        return LoadingState.success([]);
       }
       List<HotVideoItemModel> list = [];
       for (var i in res.data['data']['list']) {

lib/http/video.dart

@@ -67,11 +67,7 @@ class VideoHttp {
           }
         }
       }
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }
@@ -161,11 +157,7 @@ class VideoHttp {
           }
         }
       }
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }
@@ -189,11 +181,7 @@ class VideoHttp {
           list.add(HotVideoItemModel.fromJson(i));
         }
       }
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }
@@ -210,11 +198,7 @@ class VideoHttp {
           list.add(item);
         }
       }
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res['msg']);
     }
@@ -357,11 +341,7 @@ class VideoHttp {
           list.add(videoItem);
         }
       }
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }
@@ -970,11 +950,7 @@ class VideoHttp {
           list.add(HotVideoItemModel.fromJson(i));
         }
       }
-      if (list.isNotEmpty) {
       return LoadingState.success(list);
-      } else {
-        return LoadingState.empty();
-      }
     } else {
       return LoadingState.error(res.data['message']);
     }

lib/main.dart

@@ -216,7 +216,7 @@ class MyApp extends StatelessWidget {
         centerTitle: false,
         scrolledUnderElevation: 0,
         backgroundColor: Platform.isIOS ? colorScheme.surface : null,
-        titleTextStyle: Theme.of(context).textTheme.titleMedium,
+        titleTextStyle: TextStyle(fontSize: 16, color: colorScheme.onSurface),
       ),
       navigationBarTheme: NavigationBarThemeData(
         surfaceTintColor: surfaceTintColor,

lib/models/common/up_panel_position.dart

@@ -6,10 +6,5 @@ enum UpPanelPosition {
 }
 
 extension UpPanelPositionDesc on UpPanelPosition {
-  String get values => ['left_fixed', 'right_fixed', 'left_drawer', 'right_drawer'][index];
   String get labels => ['左侧常驻', '右侧常驻', '左侧抽屉', '右侧抽屉'][index];
 }
-
-extension UpPanelPositionCode on UpPanelPosition {
-  int get code => [0, 1, 2, 3][index];
-}

lib/pages/bangumi/introduction/view.dart

@@ -69,8 +69,16 @@ class _BangumiIntroPanelState extends State<BangumiIntroPanel>
   }
 
   _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
-        ? BangumiInfo(
+      Loading() => BangumiInfo(
+          heroTag: widget.heroTag,
+          loadingStatus: true,
+          bangumiDetail: null,
+          cid: cid,
+          showEpisodes: widget.showEpisodes,
+          showIntroDetail: widget.showIntroDetail,
+        ),
+      Success() => BangumiInfo(
           heroTag: widget.heroTag,
           loadingStatus: false,
           bangumiDetail: loadingState.response,
@@ -80,20 +88,13 @@ class _BangumiIntroPanelState extends State<BangumiIntroPanel>
             loadingState.response,
             bangumiIntroController.videoTags,
           ),
-          )
+        ),
-        : loadingState is Error
+      Error() => HttpError(
-            ? HttpError(
           errMsg: loadingState.errMsg,
-                fn: bangumiIntroController.onReload,
+          callback: bangumiIntroController.onReload,
-              )
+        ),
-            : BangumiInfo(
+      LoadingState() => throw UnimplementedError(),
-                heroTag: widget.heroTag,
+    };
-                loadingStatus: true,
-                bangumiDetail: null,
-                cid: cid,
-                showEpisodes: widget.showEpisodes,
-                showIntroDetail: widget.showIntroDetail,
-              );
   }
 }
 

lib/pages/bangumi/view.dart

@@ -109,17 +109,10 @@ class _BangumiPageState extends State<BangumiPage>
                     ),
                     SizedBox(
                       height: Grid.maxRowWidth * 1,
-                      child: Obx(() =>
+                      child: Obx(
-                          _bangumiController.followState.value is Empty
+                        () => _buildFollowBody(
-                              ? const SizedBox(
+                            _bangumiController.followState.value),
-                                  child: Center(
-                                    child: Text('还没有追番'),
                       ),
-                                )
-                              : _bangumiController.followState.value is Success
-                                  ? _buildFollowList(_bangumiController
-                                      .followState.value as Success)
-                                  : const SizedBox()),
                     ),
                   ],
                 ),
@@ -144,19 +137,7 @@ class _BangumiPageState extends State<BangumiPage>
             padding: const EdgeInsets.fromLTRB(
                 StyleString.safeSpace, 0, StyleString.safeSpace, 0),
             sliver: Obx(
-              () => _bangumiController.loadingState.value is Loading
+              () => _buildBody(_bangumiController.loadingState.value),
-                  ? contentGrid([])
-                  : _bangumiController.loadingState.value is Success
-                      ? contentGrid(
-                          (_bangumiController.loadingState.value as Success)
-                              .response)
-                      : HttpError(
-                          errMsg: _bangumiController.loadingState.value is Error
-                              ? (_bangumiController.loadingState.value as Error)
-                                  .errMsg
-                              : '没有相关数据',
-                          fn: _bangumiController.onReload,
-                        ),
             ),
           ),
         ],
@@ -164,6 +145,40 @@ class _BangumiPageState extends State<BangumiPage>
     );
   }
 
+  Widget _buildBody(LoadingState loadingState) {
+    return switch (loadingState) {
+      Loading() => const SliverToBoxAdapter(),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
+          ? SliverGrid(
+              gridDelegate: SliverGridDelegateWithExtentAndRatio(
+                // 行间距
+                mainAxisSpacing: StyleString.cardSpace - 2,
+                // 列间距
+                crossAxisSpacing: StyleString.cardSpace,
+                // 最大宽度
+                maxCrossAxisExtent: Grid.maxRowWidth / 3 * 2,
+                childAspectRatio: 0.65,
+                mainAxisExtent: MediaQuery.textScalerOf(context).scale(60),
+              ),
+              delegate: SliverChildBuilderDelegate(
+                (BuildContext context, int index) {
+                  return BangumiCardV(
+                      bangumiItem: loadingState.response[index]);
+                },
+                childCount: loadingState.response.length,
+              ),
+            )
+          : HttpError(
+              callback: _bangumiController.onReload,
+            ),
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _bangumiController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
+  }
+
   Widget _buildFollowList(Success loadingState) {
     return ListView.builder(
       scrollDirection: Axis.horizontal,
@@ -185,24 +200,14 @@ class _BangumiPageState extends State<BangumiPage>
     );
   }
 
-  Widget contentGrid(List list) {
+  Widget _buildFollowBody(LoadingState loadingState) {
-    return SliverGrid(
+    return switch (loadingState) {
-      gridDelegate: SliverGridDelegateWithExtentAndRatio(
+      Loading() => nil,
-        // 行间距
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
-        mainAxisSpacing: StyleString.cardSpace - 2,
+          ? _buildFollowList(loadingState)
-        // 列间距
+          : const Center(child: Text('还没有追番')),
-        crossAxisSpacing: StyleString.cardSpace,
+      Error() => Center(child: Text(loadingState.errMsg)),
-        // 最大宽度
+      LoadingState() => throw UnimplementedError(),
-        maxCrossAxisExtent: Grid.maxRowWidth / 3 * 2,
+    };
-        childAspectRatio: 0.65,
-        mainAxisExtent: MediaQuery.textScalerOf(context).scale(60),
-      ),
-      delegate: SliverChildBuilderDelegate(
-        (BuildContext context, int index) {
-          return list.isNotEmpty ? BangumiCardV(bangumiItem: list[index]) : nil;
-        },
-        childCount: list.isNotEmpty ? list.length : 10,
-      ),
-    );
   }
 }

lib/pages/blacklist/index.dart

@@ -1,3 +1,4 @@
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/pages/common/common_controller.dart';
@@ -5,7 +6,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 import 'package:hive/hive.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/common/widgets/network_img_layer.dart';
 import 'package:PiliPalaX/http/black.dart';
 import 'package:PiliPalaX/utils/storage.dart';
@@ -63,7 +63,9 @@ class _BlackListPageState extends State<BlackListPage> {
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? ListView.builder(
               controller: _blackListController.scrollController,
               itemCount: loadingState.response.length,
@@ -98,16 +100,15 @@ class _BlackListPageState extends State<BlackListPage> {
                 );
               },
             )
-        : loadingState is Error
+          : errorWidget(
-            ? CustomScrollView(
+              callback: _blackListController.onReload,
-                slivers: [
+            ),
-                  HttpError(
+      Error() => errorWidget(
           errMsg: loadingState.errMsg,
-                    fn: _blackListController.onReload,
+          callback: _blackListController.onReload,
-                  )
+        ),
-                ],
+      LoadingState() => throw UnimplementedError(),
-              )
+    };
-            : const SizedBox();
   }
 }
 
@@ -130,9 +131,7 @@ class BlackListController extends CommonController {
     List dataList = currentPage == 1
         ? response.response.list
         : currentList + response.response.list;
-    loadingState.value = dataList.isNotEmpty
+    loadingState.value = LoadingState.success(dataList);
-        ? LoadingState.success(dataList)
-        : LoadingState.empty();
     return true;
   }
 

lib/pages/common/reply_controller.dart

@@ -72,21 +72,21 @@ abstract class ReplyController extends CommonController {
       }
     }
     cursor = replies.cursor;
-    if (replies.replies.isNotEmpty) {
-      noMore.value = '加载中...';
-      if (replies.cursor.isEnd) {
-        noMore.value = '没有更多了';
-      }
-    } else {
-      // 未登录状态replies可能返回null
-      noMore.value = currentPage == 1 ? '还没有评论' : '没有更多了';
-    }
     if (currentPage != 1) {
       List<ReplyInfo> list = loadingState.value is Success
           ? (loadingState.value as Success).response.replies
           : <ReplyInfo>[];
       replies.replies.insertAll(0, list);
     }
+    if (replies.replies.isNotEmpty) {
+      noMore.value = '加载中...';
+      if (replies.cursor.isEnd || replies.replies.length >= count.value) {
+        noMore.value = '没有更多了';
+      }
+    } else {
+      // 未登录状态replies可能返回null
+      noMore.value = currentPage == 1 ? '还没有评论' : '没有更多了';
+    }
     loadingState.value = LoadingState.success(replies);
     return true;
   }

lib/pages/dynamics/detail/view.dart

@@ -349,7 +349,16 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
   }
 
   Widget replyList(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => SliverList(
+          delegate: SliverChildBuilderDelegate(
+            (context, index) {
+              return const VideoReplySkeleton();
+            },
+            childCount: 8,
+          ),
+        ),
+      Success() => (loadingState.response.replies as List?)?.isNotEmpty == true
           ? SliverList(
               delegate: SliverChildBuilderDelegate(
                 (context, index) {
@@ -393,19 +402,15 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
                 childCount: loadingState.response.replies.length + 1,
               ),
             )
-        : loadingState is Error
+          : HttpError(
-            ? HttpError(
+              callback: _dynamicDetailController.onReload,
-                errMsg: loadingState.errMsg,
-                fn: _dynamicDetailController.onReload,
-              )
-            : SliverList(
-                delegate: SliverChildBuilderDelegate(
-                  (context, index) {
-                    return const VideoReplySkeleton();
-                  },
-                  childCount: 8,
             ),
-              );
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _dynamicDetailController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }
 

lib/pages/dynamics/tab/controller.dart

@@ -55,11 +55,7 @@ class DynamicsTabController extends CommonController {
     if (res['status']) {
       List list = (loadingState.value as Success).response;
       list.removeWhere((item) => item.idStr == dynamicId);
-      if (list.isNotEmpty) {
       loadingState.value = LoadingState.success(list);
-      } else {
-        loadingState.value = LoadingState.empty();
-      }
       SmartDialog.showToast('删除成功');
     } else {
       SmartDialog.showToast(res['msg']);

lib/pages/dynamics/tab/view.dart

@@ -10,7 +10,6 @@ import 'package:flutter/rendering.dart';
 import 'package:get/get.dart';
 import 'package:PiliPalaX/common/constants.dart';
 import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:waterfall_flow/waterfall_flow.dart';
 
 import '../../../common/skeleton/dynamic_card.dart';
@@ -146,7 +145,9 @@ class _DynamicsTabPageState extends State<DynamicsTabPage>
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => skeleton(),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? dynamicsWaterfallFlow
               ? SliverWaterfallFlow.extent(
                   maxCrossAxisExtent: Grid.maxRowWidth * 2,
@@ -204,13 +205,14 @@ class _DynamicsTabPageState extends State<DynamicsTabPage>
                     const SliverFillRemaining(),
                   ],
                 )
-        : loadingState is Empty
+          : HttpError(
-            ? const NoData()
+              callback: _dynamicsTabController.onReload,
-            : loadingState is Error
+            ),
-                ? HttpError(
+      Error() => HttpError(
           errMsg: loadingState.errMsg,
-                    fn: _dynamicsTabController.onReload,
+          callback: _dynamicsTabController.onReload,
-                  )
+        ),
-                : skeleton();
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/dynamics/view.dart

@@ -15,6 +15,7 @@ import 'package:PiliPalaX/utils/feed_back.dart';
 import 'package:PiliPalaX/utils/storage.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:intl/intl.dart';
+import 'package:nil/nil.dart';
 
 import 'controller.dart';
 import 'widgets/up_panel.dart';
@@ -98,7 +99,7 @@ class _DynamicsPageState extends State<DynamicsPage>
     });
     upPanelPosition = UpPanelPosition.values[setting.get(
         SettingBoxKey.upPanelPosition,
-        defaultValue: UpPanelPosition.leftFixed.code)];
+        defaultValue: UpPanelPosition.leftFixed.index)];
     debugPrint('upPanelPosition: $upPanelPosition');
     if (GStorage.setting
         .get(SettingBoxKey.dynamicsShowAllFollowedUp, defaultValue: false)) {
@@ -128,7 +129,7 @@ class _DynamicsPageState extends State<DynamicsPage>
         padding: const EdgeInsets.symmetric(horizontal: 4),
         child: Container(
           //抽屉模式增加底色
-          color: upPanelPosition.code > 1
+          color: upPanelPosition.index > 1
               ? Theme.of(context).colorScheme.surface
               : Colors.transparent,
           width: 56,
@@ -137,20 +138,27 @@ class _DynamicsPageState extends State<DynamicsPage>
             builder: (context, snapshot) {
               if (snapshot.connectionState == ConnectionState.done) {
                 if (snapshot.data == null) {
-                  return const SizedBox();
+                  return nil;
                 }
                 Map data = snapshot.data;
                 if (data['status']) {
                   return Obx(() => UpPanel(_dynamicsController.upData.value,
                       _dynamicsController.scrollController));
                 } else {
-                  return const SizedBox();
+                  return Center(
+                    child: IconButton(
+                      icon: Icon(Icons.refresh),
+                      onPressed: () {
+                        setState(() {
+                          _futureBuilderFutureUp =
+                              _dynamicsController.queryFollowUp();
+                        });
+                      },
+                    ),
+                  );
                 }
               } else {
-                return const SizedBox(
+                return nil;
-                  width: 56,
-                  child: UpPanelSkeleton(),
-                );
               }
             },
           ),

lib/pages/emote/view.dart

@@ -1,3 +1,4 @@
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/models/video/reply/emote.dart';
 import 'package:flutter/material.dart';
@@ -28,7 +29,9 @@ class _EmotePanelState extends State<EmotePanel>
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? Column(
               children: [
                 Expanded(
@@ -72,7 +75,8 @@ class _EmotePanelState extends State<EmotePanel>
                                             src: e.emote![index].url!,
                                             width: size * 38,
                                             height: size * 38,
-                                          semanticsLabel: e.emote![index].text!,
+                                            semanticsLabel:
+                                                e.emote![index].text!,
                                             type: 'emote',
                                           ),
                                   ),
@@ -110,8 +114,14 @@ class _EmotePanelState extends State<EmotePanel>
                 SizedBox(height: MediaQuery.of(context).padding.bottom),
               ],
             )
-        : loadingState is Error
+          : errorWidget(
-            ? Center(child: Text(loadingState.errMsg))
+              callback: _emotePanelController.onReload,
-            : const Center(child: Text('加载中...'));
+            ),
+      Error() => errorWidget(
+          errMsg: loadingState.errMsg,
+          callback: _emotePanelController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/fan/view.dart

@@ -4,7 +4,6 @@ import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 
 import '../../common/constants.dart';
 import '../../utils/grid.dart';
@@ -67,8 +66,11 @@ class _FansPageState extends State<FansPage> {
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
-        ? loadingState.response.isNotEmpty
+      Loading() => HttpError(
+          callback: _fansController.onReload,
+        ),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? SliverGrid(
               gridDelegate: SliverGridDelegateWithMaxCrossAxisExtent(
                   mainAxisSpacing: StyleString.cardSpace,
@@ -80,20 +82,16 @@ class _FansPageState extends State<FansPage> {
                   return fanItem(item: loadingState.response[index]);
                 },
                 childCount: loadingState.response.length,
-                ))
+              ),
-            : const NoData()
-        : loadingState is Error
-            ? HttpError(
-                errMsg: loadingState.errMsg,
-                fn: _fansController.onReload,
             )
-            : const SliverToBoxAdapter(
+          : HttpError(
-                child: SizedBox(
+              callback: _fansController.onReload,
-                  height: 200,
-                  child: Center(
-                    child: CircularProgressIndicator(),
             ),
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _fansController.onReload,
         ),
-              );
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/fav/view.dart

@@ -108,7 +108,22 @@ class _FavPageState extends State<FavPage> {
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => SliverGrid(
+          gridDelegate: SliverGridDelegateWithExtentAndRatio(
+              mainAxisSpacing: StyleString.cardSpace,
+              crossAxisSpacing: StyleString.safeSpace,
+              maxCrossAxisExtent: Grid.maxRowWidth * 2,
+              childAspectRatio: StyleString.aspectRatio * 2.4,
+              mainAxisExtent: 0),
+          delegate: SliverChildBuilderDelegate(
+            (BuildContext context, int index) {
+              return const VideoCardHSkeleton();
+            },
+            childCount: 10,
+          ),
+        ),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? SliverGrid(
               gridDelegate: SliverGridDelegateWithExtentAndRatio(
                   mainAxisSpacing: StyleString.cardSpace,
@@ -147,24 +162,14 @@ class _FavPageState extends State<FavPage> {
                 },
               ),
             )
-        : loadingState is Error
+          : HttpError(
-            ? HttpError(
+              callback: _favController.onReload,
-                errMsg: loadingState.errMsg,
-                fn: _favController.onReload,
-              )
-            : SliverGrid(
-                gridDelegate: SliverGridDelegateWithExtentAndRatio(
-                    mainAxisSpacing: StyleString.cardSpace,
-                    crossAxisSpacing: StyleString.safeSpace,
-                    maxCrossAxisExtent: Grid.maxRowWidth * 2,
-                    childAspectRatio: StyleString.aspectRatio * 2.4,
-                    mainAxisExtent: 0),
-                delegate: SliverChildBuilderDelegate(
-                  (BuildContext context, int index) {
-                    return const VideoCardHSkeleton();
-                  },
-                  childCount: 10,
             ),
-              );
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _favController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/fav_detail/view.dart

@@ -238,10 +238,24 @@ class _FavDetailPageState extends State<FavDetailPage> {
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
-        ? loadingState.response.isEmpty
+      Loading() => SliverGrid(
-            ? const SliverToBoxAdapter(child: SizedBox())
+          gridDelegate: SliverGridDelegateWithExtentAndRatio(
-            : SliverPadding(
+            mainAxisSpacing: StyleString.cardSpace,
+            crossAxisSpacing: StyleString.safeSpace,
+            maxCrossAxisExtent: Grid.maxRowWidth * 2,
+            childAspectRatio: StyleString.aspectRatio * 2.4,
+            mainAxisExtent: 0,
+          ),
+          delegate: SliverChildBuilderDelegate(
+            (context, index) {
+              return const VideoCardHSkeleton();
+            },
+            childCount: 10,
+          ),
+        ),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
+          ? SliverPadding(
               padding: EdgeInsets.only(
                   bottom: MediaQuery.of(context).padding.bottom),
               sliver: SliverGrid(
@@ -278,25 +292,14 @@ class _FavDetailPageState extends State<FavDetailPage> {
                 ),
               ),
             )
-        : loadingState is Error
+          : HttpError(
-            ? HttpError(
+              callback: _favDetailController.onReload,
+            ),
+      Error() => HttpError(
           errMsg: loadingState.errMsg,
-                fn: _favDetailController.onReload,
+          callback: _favDetailController.onReload,
-              )
-            : SliverGrid(
-                gridDelegate: SliverGridDelegateWithExtentAndRatio(
-                  mainAxisSpacing: StyleString.cardSpace,
-                  crossAxisSpacing: StyleString.safeSpace,
-                  maxCrossAxisExtent: Grid.maxRowWidth * 2,
-                  childAspectRatio: StyleString.aspectRatio * 2.4,
-                  mainAxisExtent: 0,
         ),
-                delegate: SliverChildBuilderDelegate(
+      LoadingState() => throw UnimplementedError(),
-                  (context, index) {
+    };
-                    return const VideoCardHSkeleton();
-                  },
-                  childCount: 10,
-                ),
-              );
   }
 }

lib/pages/fav_search/view.dart

@@ -1,5 +1,5 @@
 import 'package:PiliPalaX/common/constants.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/pages/follow/widgets/follow_item.dart';
 import 'package:PiliPalaX/pages/history/widgets/item.dart';
@@ -7,7 +7,6 @@ import 'package:PiliPalaX/utils/grid.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:PiliPalaX/pages/fav_detail/widget/fav_video_card.dart';
 
 import 'controller.dart';
@@ -83,17 +82,10 @@ class _FavSearchPageState extends State<FavSearchPage> {
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
-        ? loadingState.response.isEmpty
+      Loading() => loadingWidget,
-            ? CustomScrollView(
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
-                slivers: <Widget>[
+          ? _favSearchCtr.searchType == SearchType.fav
-                  HttpError(
-                    errMsg: '没有数据',
-                    fn: _favSearchCtr.onReload,
-                  ),
-                ],
-              )
-            : _favSearchCtr.searchType == SearchType.fav
               ? ListView.builder(
                   controller: _favSearchCtr.scrollController,
                   itemCount: loadingState.response.length + 1,
@@ -152,19 +144,14 @@ class _FavSearchPageState extends State<FavSearchPage> {
                         ),
                       ],
                     )
-        : loadingState is Error
+          : errorWidget(
-            ? CustomScrollView(
+              callback: _favSearchCtr.onReload,
-                slivers: <Widget>[
-                  HttpError(
-                    errMsg: loadingState.errMsg,
-                    fn: _favSearchCtr.onReload,
             ),
-                ],
+      Error() => errorWidget(
-              )
+          errMsg: loadingState.errMsg,
-            : const CustomScrollView(
+          callback: _favSearchCtr.onReload,
-                slivers: <Widget>[
+        ),
-                  NoData(),
+      LoadingState() => throw UnimplementedError(),
-                ],
+    };
-              );
   }
 }

lib/pages/follow/widgets/follow_list.dart

@@ -1,9 +1,8 @@
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:PiliPalaX/models/follow/result.dart';
 import 'package:PiliPalaX/pages/follow/index.dart';
 
@@ -92,16 +91,14 @@ class _FollowListState extends State<FollowList> {
                           }
                         },
                       )
-                    : const CustomScrollView(slivers: [NoData()]),
+                    : errorWidget(
+                        callback: () => widget.ctr.queryFollowings('init'),
+                      ),
               );
             } else {
-              return CustomScrollView(
+              return errorWidget(
-                slivers: [
-                  HttpError(
                 errMsg: data['msg'],
-                    fn: () => widget.ctr.queryFollowings('init'),
+                callback: () => widget.ctr.queryFollowings('init'),
-                  )
-                ],
               );
             }
           } else {

lib/pages/follow/widgets/owner_follow_list.dart

@@ -1,9 +1,8 @@
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:PiliPalaX/http/member.dart';
 import 'package:PiliPalaX/models/follow/result.dart';
 import 'package:PiliPalaX/models/member/tags.dart';
@@ -110,16 +109,14 @@ class _OwnerFollowListState extends State<OwnerFollowList>
                           }
                         },
                       )
-                    : const CustomScrollView(slivers: [NoData()]),
+                    : errorWidget(
+                        callback: () => widget.ctr.queryFollowings('init'),
+                      ),
               );
             } else {
-              return CustomScrollView(
+              return errorWidget(
-                slivers: [
-                  HttpError(
                 errMsg: data['msg'],
-                    fn: () => widget.ctr.queryFollowings('init'),
+                callback: () => widget.ctr.queryFollowings('init'),
-                  )
-                ],
               );
             }
           } else {

lib/pages/history/view.dart

@@ -1,11 +1,10 @@
+import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
 import 'package:PiliPalaX/pages/fav_search/view.dart' show SearchType;
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:PiliPalaX/common/skeleton/video_card_h.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:PiliPalaX/pages/history/index.dart';
 
 import '../../common/constants.dart';
@@ -215,12 +214,20 @@ class _HistoryPageState extends State<HistoryPage> {
                               ? const SliverToBoxAdapter(
                                   child: Center(child: Text('加载中')),
                                 )
-                              : const NoData(),
+                              : HttpError(
+                                  callback: () => setState(() {
+                                    _futureBuilderFuture =
+                                        _historyController.queryHistoryList();
+                                  }),
+                                ),
                     );
                   } else {
                     return HttpError(
                       errMsg: data['msg'],
-                      fn: () => setState(() {}),
+                      callback: () => setState(() {
+                        _futureBuilderFuture =
+                            _historyController.queryHistoryList();
+                      }),
                     );
                   }
                 } else {

lib/pages/hot/view.dart

@@ -91,7 +91,7 @@ class _HotPageState extends State<HotPage> with AutomaticKeepAliveClientMixin {
                               ? (_hotController.loadingState.value as Error)
                                   .errMsg
                               : '没有相关数据',
-                          fn: _hotController.onReload,
+                          callback: _hotController.onReload,
                         ),
             ),
           ),

lib/pages/html/view.dart

@@ -320,7 +320,14 @@ class _HtmlRenderPageState extends State<HtmlRenderPage>
   }
 
   Widget replyList(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => SliverList.builder(
+          itemCount: 5,
+          itemBuilder: (context, index) {
+            return const VideoReplySkeleton();
+          },
+        ),
+      Success() => (loadingState.response.replies as List?)?.isNotEmpty == true
           ? SliverList.builder(
               itemCount: loadingState.response.replies.length + 1,
               itemBuilder: (context, index) {
@@ -362,17 +369,15 @@ class _HtmlRenderPageState extends State<HtmlRenderPage>
                 }
               },
             )
-        : loadingState is Error
+          : HttpError(
-            ? HttpError(
+              callback: _htmlRenderCtr.onReload,
+            ),
+      Error() => HttpError(
           errMsg: loadingState.errMsg,
-                fn: _htmlRenderCtr.onReload,
+          callback: _htmlRenderCtr.onReload,
-              )
+        ),
-            : SliverList.builder(
+      LoadingState() => throw UnimplementedError(),
-                itemCount: 5,
+    };
-                itemBuilder: (context, index) {
-                  return const VideoReplySkeleton();
-                },
-              );
   }
 
   Container replyHeader() {

lib/pages/later/controller.dart

@@ -88,7 +88,7 @@ class LaterController extends CommonController {
               onPressed: () async {
                 var res = await UserHttp.toViewClear();
                 if (res['status']) {
-                  loadingState.value = LoadingState.empty();
+                  loadingState.value = LoadingState.success([]);
                 }
                 Get.back();
                 SmartDialog.showToast(res['msg']);

lib/pages/later/view.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:PiliPalaX/common/skeleton/video_card_h.dart';
 import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:PiliPalaX/common/widgets/video_card_h.dart';
 import 'package:PiliPalaX/pages/later/index.dart';
 
@@ -74,7 +73,23 @@ class _LaterPageState extends State<LaterPage> {
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => SliverGrid(
+          gridDelegate: SliverGridDelegateWithExtentAndRatio(
+            mainAxisSpacing: StyleString.safeSpace,
+            crossAxisSpacing: StyleString.safeSpace,
+            maxCrossAxisExtent: Grid.maxRowWidth * 2,
+            childAspectRatio: StyleString.aspectRatio * 2.4,
+            mainAxisExtent: 0,
+          ),
+          delegate: SliverChildBuilderDelegate(
+            (context, index) {
+              return const VideoCardHSkeleton();
+            },
+            childCount: 10,
+          ),
+        ),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? SliverGrid(
               gridDelegate: SliverGridDelegateWithExtentAndRatio(
                 mainAxisSpacing: StyleString.safeSpace,
@@ -95,27 +110,14 @@ class _LaterPageState extends State<LaterPage> {
                 childCount: loadingState.response.length,
               ),
             )
-        : loadingState is Empty
+          : HttpError(
-            ? const NoData()
+              callback: _laterController.onReload,
-            : loadingState is Error
+            ),
-                ? HttpError(
+      Error() => HttpError(
           errMsg: loadingState.errMsg,
-                    fn: _laterController.onReload,
+          callback: _laterController.onReload,
-                  )
-                : SliverGrid(
-                    gridDelegate: SliverGridDelegateWithExtentAndRatio(
-                      mainAxisSpacing: StyleString.safeSpace,
-                      crossAxisSpacing: StyleString.safeSpace,
-                      maxCrossAxisExtent: Grid.maxRowWidth * 2,
-                      childAspectRatio: StyleString.aspectRatio * 2.4,
-                      mainAxisExtent: 0,
         ),
-                    delegate: SliverChildBuilderDelegate(
+      LoadingState() => throw UnimplementedError(),
-                      (context, index) {
+    };
-                        return const VideoCardHSkeleton();
-                      },
-                      childCount: 10,
-                    ),
-                  );
   }
 }

lib/pages/member/new/content/member_contribute/content/article/member_article.dart

@@ -1,6 +1,6 @@
 import 'package:PiliPalaX/common/constants.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/common/widgets/network_img_layer.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/models/space_article/item.dart';
@@ -40,7 +40,9 @@ class _MemberArticleState extends State<MemberArticle>
   }
 
   _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? MediaQuery.removePadding(
               context: context,
               removeTop: true,
@@ -99,20 +101,14 @@ class _MemberArticleState extends State<MemberArticle>
                 ),
               ),
             )
-        : loadingState is Error
+          : errorWidget(
-            ? Center(
+              callback: _controller.onReload,
-                child: CustomScrollView(
+            ),
-                  shrinkWrap: true,
+      Error() => errorWidget(
-                  slivers: [
-                    HttpError(
           errMsg: loadingState.errMsg,
-                      fn: _controller.onReload,
+          callback: _controller.onReload,
         ),
-                  ],
+      LoadingState() => throw UnimplementedError(),
-                ),
+    };
-              )
-            : Center(
-                child: CircularProgressIndicator(),
-              );
   }
 }

lib/pages/member/new/content/member_contribute/content/bangumi/member_bangumi.dart

@@ -1,6 +1,6 @@
 import 'package:PiliPalaX/common/constants.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/pages/bangumi/widgets/bangumi_card_v_member_home.dart';
 import 'package:PiliPalaX/pages/member/new/content/member_contribute/content/bangumi/member_bangumi_ctr.dart';
@@ -42,7 +42,9 @@ class _MemberBangumiState extends State<MemberBangumi>
   }
 
   _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? refreshIndicator(
               onRefresh: () async {
                 await _controller.onRefresh();
@@ -82,20 +84,14 @@ class _MemberBangumiState extends State<MemberBangumi>
                 ],
               ),
             )
-        : loadingState is Error
+          : errorWidget(
-            ? Center(
+              callback: _controller.onReload,
-                child: CustomScrollView(
+            ),
-                  shrinkWrap: true,
+      Error() => errorWidget(
-                  slivers: [
-                    HttpError(
           errMsg: loadingState.errMsg,
-                      fn: _controller.onReload,
+          callback: _controller.onReload,
         ),
-                  ],
+      LoadingState() => throw UnimplementedError(),
-                ),
+    };
-              )
-            : Center(
-                child: CircularProgressIndicator(),
-              );
   }
 }

lib/pages/member/new/content/member_contribute/content/favorite/member_favorite.dart

@@ -1,7 +1,7 @@
 import 'package:PiliPalaX/common/constants.dart';
 import 'package:PiliPalaX/common/widgets/badge.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/common/widgets/network_img_layer.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/models/space_fav/datum.dart';
@@ -44,7 +44,9 @@ class _MemberFavoriteState extends State<MemberFavorite>
   }
 
   _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? refreshIndicator(
               onRefresh: () async {
                 await _controller.onRefresh();
@@ -77,21 +79,15 @@ class _MemberFavoriteState extends State<MemberFavorite>
                 ],
               ),
             )
-        : loadingState is Error
+          : errorWidget(
-            ? Center(
+              callback: _controller.onReload,
-                child: CustomScrollView(
+            ),
-                  shrinkWrap: true,
+      Error() => errorWidget(
-                  slivers: [
-                    HttpError(
           errMsg: loadingState.errMsg,
-                      fn: _controller.onReload,
+          callback: _controller.onReload,
         ),
-                  ],
+      LoadingState() => throw UnimplementedError(),
-                ),
+    };
-              )
-            : Center(
-                child: CircularProgressIndicator(),
-              );
   }
 
   _buildItem(Datum data, bool isFirst) {

lib/pages/member/new/content/member_contribute/content/video/member_video.dart

@@ -1,6 +1,6 @@
 import 'package:PiliPalaX/common/constants.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/common/widgets/video_card_h_member_video.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/pages/member/new/content/member_contribute/content/video/member_video_ctr.dart';
@@ -54,7 +54,9 @@ class _MemberVideoState extends State<MemberVideo>
   }
 
   _buildBody(LoadingState loadingState) {
-    return loadingState is Success && loadingState.response is List
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? refreshIndicator(
               onRefresh: () async {
                 await _controller.onRefresh();
@@ -138,22 +140,14 @@ class _MemberVideoState extends State<MemberVideo>
                 ],
               ),
             )
-        : loadingState is Loading
+          : errorWidget(
-            ? Center(
+              callback: _controller.onReload,
-                child: CircularProgressIndicator(),
-              )
-            : Center(
-                child: CustomScrollView(
-                  shrinkWrap: true,
-                  slivers: [
-                    HttpError(
-                      errMsg: loadingState is Error
-                          ? (loadingState as Error?)?.errMsg
-                          : 'EMPTY',
-                      fn: _controller.onReload,
             ),
-                  ],
+      Error() => errorWidget(
+          errMsg: loadingState.errMsg,
+          callback: _controller.onReload,
         ),
-              );
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/member/new/content/member_dynamic/member_dynamic.dart

@@ -1,5 +1,5 @@
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/refresh_indicator.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/pages/dynamics/widgets/dynamic_panel_grpc.dart';
 import 'package:PiliPalaX/pages/member/new/content/member_dynamic/member_dynamic_ctr.dart';
@@ -32,7 +32,9 @@ class _MemberDynamicState extends State<MemberDynamic>
   }
 
   _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? refreshIndicator(
               onRefresh: () async {
                 await _controller.onRefresh();
@@ -50,20 +52,14 @@ class _MemberDynamicState extends State<MemberDynamic>
                 separatorBuilder: (_, index) => const SizedBox(height: 10),
               ),
             )
-        : loadingState is Error
+          : errorWidget(
-            ? Center(
+              callback: _controller.onReload,
-                child: CustomScrollView(
+            ),
-                  shrinkWrap: true,
+      Error() => errorWidget(
-                  slivers: [
-                    HttpError(
           errMsg: loadingState.errMsg,
-                      fn: _controller.onReload,
+          callback: _controller.onReload,
         ),
-                  ],
+      LoadingState() => throw UnimplementedError(),
-                ),
+    };
-              )
-            : Center(
-                child: CircularProgressIndicator(),
-              );
   }
 }

lib/pages/member/new/content/member_home/member_home.dart

@@ -1,6 +1,7 @@
 import 'dart:math';
 
 import 'package:PiliPalaX/common/constants.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/common/widgets/network_img_layer.dart';
 import 'package:PiliPalaX/common/widgets/video_card_v_member_home.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
@@ -39,10 +40,13 @@ class _MemberHomeState extends State<MemberHome>
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success && loadingState.response is Data
+    return switch (loadingState) {
+      Loading() => loadingWidget,
+      Success() => loadingState.response is Data
           ? CustomScrollView(
               slivers: [
-              if (loadingState.response?.archive?.item?.isNotEmpty == true) ...[
+                if (loadingState.response?.archive?.item?.isNotEmpty ==
+                    true) ...[
                   _videoHeader(
                     title: '视频',
                     param: 'contribute',
@@ -65,7 +69,8 @@ class _MemberHomeState extends State<MemberHome>
                       delegate: SliverChildBuilderDelegate(
                         (context, index) {
                           return VideoCardVMemberHome(
-                          videoItem: loadingState.response.archive.item[index],
+                            videoItem:
+                                loadingState.response.archive.item[index],
                           );
                         },
                         childCount:
@@ -101,7 +106,8 @@ class _MemberHomeState extends State<MemberHome>
                   ),
                   // TODO
                 ],
-              if (loadingState.response?.article?.item?.isNotEmpty == true) ...[
+                if (loadingState.response?.article?.item?.isNotEmpty ==
+                    true) ...[
                   _videoHeader(
                     title: '专栏',
                     param: 'contribute',
@@ -113,7 +119,8 @@ class _MemberHomeState extends State<MemberHome>
                       dense: true,
                       onTap: () {
                         PiliScheme.routePush(Uri.parse(
-                          loadingState.response.article.item.first.uri ?? ''));
+                            loadingState.response.article.item.first.uri ??
+                                ''));
                       },
                       leading: loadingState.response.article.item.first
                                   .originImageUrls?.isNotEmpty ==
@@ -124,8 +131,8 @@ class _MemberHomeState extends State<MemberHome>
                                 builder: (_, constraints) {
                                   return NetworkImgLayer(
                                     radius: 6,
-                                  src: loadingState.response.article.item.first
+                                    src: loadingState.response.article.item
-                                      .originImageUrls!.first,
+                                        .first.originImageUrls!.first,
                                     width: constraints.maxHeight *
                                         StyleString.aspectRatio,
                                     height: constraints.maxHeight,
@@ -156,7 +163,8 @@ class _MemberHomeState extends State<MemberHome>
                     ),
                   ),
                 ],
-              if (loadingState.response?.audios?.item?.isNotEmpty == true) ...[
+                if (loadingState.response?.audios?.item?.isNotEmpty ==
+                    true) ...[
                   _videoHeader(
                     title: '音频',
                     param: 'contribute',
@@ -165,7 +173,8 @@ class _MemberHomeState extends State<MemberHome>
                   ),
                   // TODO
                 ],
-              if (loadingState.response?.season?.item?.isNotEmpty == true) ...[
+                if (loadingState.response?.season?.item?.isNotEmpty ==
+                    true) ...[
                   _videoHeader(
                     title: '追番',
                     param: 'bangumi',
@@ -187,7 +196,8 @@ class _MemberHomeState extends State<MemberHome>
                       delegate: SliverChildBuilderDelegate(
                         (context, index) {
                           return BangumiCardVMemberHome(
-                          bangumiItem: loadingState.response.season.item[index],
+                            bangumiItem:
+                                loadingState.response.season.item[index],
                           );
                         },
                         childCount:
@@ -203,7 +213,10 @@ class _MemberHomeState extends State<MemberHome>
                 ),
               ],
             )
-        : const SizedBox.shrink();
+          : errorWidget(),
+      Error() => errorWidget(),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 
   Widget _videoHeader({

lib/pages/member/new/member_page.dart

@@ -1,7 +1,7 @@
 import 'dart:math';
 
 import 'package:PiliPalaX/common/widgets/dynamic_sliver_appbar.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:PiliPalaX/pages/member/new/content/member_contribute/content/bangumi/member_bangumi.dart';
 import 'package:PiliPalaX/pages/member/new/content/member_contribute/content/favorite/member_favorite.dart';
@@ -291,28 +291,19 @@ class _MemberPageNewState extends State<MemberPageNew>
       );
 
   Widget _errorWidget(msg) {
-    return CustomScrollView(
+    return errorWidget(
-      shrinkWrap: true,
-      slivers: [
-        HttpError(
       errMsg: msg,
-          fn: () {
+      callback: () {
         _userController.loadingState.value = LoadingState.loading();
         _userController.onRefresh();
       },
-        )
-      ],
     );
   }
 
   Widget _buildUserInfo(LoadingState userState, [bool isV = true]) {
-    switch (userState) {
+    return switch (userState) {
-      case Empty():
+      Loading() => const CircularProgressIndicator(),
-        return _errorWidget('EMPTY');
+      Success() => Obx(
-      case Error():
-        return _errorWidget(userState.errMsg);
-      case Success():
-        return Obx(
           () => Padding(
             padding: EdgeInsets.only(
                 bottom: (_userController.tab2?.length ?? 0) > 1 ? 48 : 0),
@@ -326,8 +317,9 @@ class _MemberPageNewState extends State<MemberPageNew>
               onFollow: () => _userController.onFollow(context),
             ),
           ),
-        );
+        ),
-    }
+      Error() => _errorWidget(userState.errMsg),
-    return const CircularProgressIndicator();
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/member/new/widget/edit_profile_page.dart

@@ -1,5 +1,5 @@
 import 'package:PiliPalaX/common/constants.dart';
-import 'package:PiliPalaX/common/widgets/http_error.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/http/constants.dart';
 import 'package:PiliPalaX/http/index.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
@@ -99,19 +99,9 @@ class _EditProfilePageState extends State<EditProfilePage> {
       );
 
   Widget _buildBody(LoadingState loadingState) {
-    switch (loadingState) {
+    return switch (loadingState) {
-      case Error():
+      Loading() => loadingWidget,
-        return CustomScrollView(
+      Success() => SingleChildScrollView(
-          shrinkWrap: true,
-          slivers: [
-            HttpError(
-              errMsg: loadingState.errMsg,
-              fn: _getInfo,
-            ),
-          ],
-        );
-      case Success():
-        return SingleChildScrollView(
           child: Column(
             children: [
               _item(
@@ -226,11 +216,13 @@ class _EditProfilePageState extends State<EditProfilePage> {
               _divider,
             ],
           ),
-        );
+        ),
-    }
+      Error() => errorWidget(
-    return Center(
+          errMsg: loadingState.errMsg,
-      child: CircularProgressIndicator(),
+          callback: _getInfo,
-    );
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 
   Widget _sexDialog(int current) {

lib/pages/member_archive/view.dart

@@ -109,13 +109,13 @@ class _MemberArchivePageState extends State<MemberArchivePage> {
                     } else {
                       return HttpError(
                         errMsg: snapshot.data['msg'],
-                        fn: () {},
+                        callback: () {},
                       );
                     }
                   } else {
                     return HttpError(
                       errMsg: "投稿页出现错误",
-                      fn: () {},
+                      callback: () {},
                     );
                   }
                 } else {

lib/pages/member_dynamics/view.dart

@@ -72,7 +72,11 @@ class _MemberDynamicsPageState extends State<MemberDynamicsPage>
       );
 
   _buildContent(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => HttpError(
+          callback: _memberDynamicController.onReload,
+        ),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? SliverPadding(
               padding: EdgeInsets.only(
                 bottom: MediaQuery.paddingOf(context).bottom,
@@ -134,10 +138,13 @@ class _MemberDynamicsPageState extends State<MemberDynamicsPage>
                     ),
             )
           : HttpError(
-            errMsg: loadingState is Error ? loadingState.errMsg : null,
+              callback: _memberDynamicController.onReload,
-            fn: () {
+            ),
-              _memberDynamicController.onReload();
+      Error() => HttpError(
-            },
+          errMsg: loadingState.errMsg,
-          );
+          callback: _memberDynamicController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

lib/pages/member_search/view.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:PiliPalaX/common/skeleton/video_card_h.dart';
 import 'package:PiliPalaX/common/widgets/http_error.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:PiliPalaX/common/widgets/video_card_h.dart';
 
 import '../../common/constants.dart';
@@ -148,12 +147,14 @@ class _MemberSearchPageState extends State<MemberSearchPage>
                                               (context, index) {
                                             return const VideoCardHSkeleton();
                                           }, childCount: 10))
-                                      : const NoData(),
+                                      : HttpError(
+                                          callback: () => setState(() {}),
+                                        ),
                             ));
                       } else {
                         return HttpError(
                           errMsg: data['msg'],
-                          fn: () => setState(() {}),
+                          callback: () => setState(() {}),
                         );
                       }
                     } else {

lib/pages/rank/zone/view.dart

@@ -91,7 +91,7 @@ class _ZonePageState extends State<ZonePage>
                               ? (_zoneController.loadingState.value as Error)
                                   .errMsg
                               : '没有相关数据',
-                          fn: _zoneController.onReload,
+                          callback: _zoneController.onReload,
                         ),
             ),
           ),

lib/pages/rcmd/view.dart

@@ -102,7 +102,7 @@ class _RcmdPageState extends State<RcmdPage>
                         errMsg: _controller.loadingState.value is Error
                             ? (_controller.loadingState.value as Error).errMsg
                             : '没有相关数据',
-                        fn: _controller.onReload,
+                        callback: _controller.onReload,
                       ),
               ),
             ),

lib/pages/search/view.dart

@@ -195,7 +195,7 @@ class _SearchPageState extends State<SearchPage> with RouteAware {
                         slivers: [
                           HttpError(
                             errMsg: data['msg'],
-                            fn: () => setState(() {
+                            callback: () => setState(() {
                               _futureBuilderFuture =
                                   _searchController.queryHotSearchList();
                             }),

lib/pages/search_panel/controller.dart

@@ -45,14 +45,14 @@ class SearchPanelController extends CommonController {
       if (dataList.isNotEmpty) {
         loadingState.value = LoadingState.success(dataList);
       } else {
-        loadingState.value = LoadingState.empty();
+        loadingState.value = LoadingState.success([]);
       }
       if (currentPage == 1) {
         onPushDetail(response.response.list);
       }
     } else {
       if (currentPage == 1) {
-        loadingState.value = LoadingState.empty();
+        loadingState.value = LoadingState.success([]);
       }
     }
     return true;

lib/pages/search_panel/widgets/article_panel.dart

@@ -206,7 +206,7 @@ Widget searchArticlePanel(BuildContext context, searchPanelCtr, loadingState) {
             )
           : HttpError(
               errMsg: loadingState is Error ? loadingState.errMsg : '没有相关数据',
-              fn: searchPanelCtr.onReload,
+              callback: searchPanelCtr.onReload,
             ),
     ],
   );

lib/pages/search_panel/widgets/live_panel.dart

@@ -1,4 +1,4 @@
-import 'package:PiliPalaX/common/widgets/http_error.dart';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:PiliPalaX/http/loading_state.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
@@ -8,8 +8,10 @@ import 'package:PiliPalaX/utils/utils.dart';
 
 import '../../../utils/grid.dart';
 
-Widget searchLivePanel(BuildContext context, ctr, loadingState) {
+Widget searchLivePanel(BuildContext context, ctr, LoadingState loadingState) {
-  return loadingState is Success
+  return switch (loadingState) {
+    Loading() => loadingWidget,
+    Success() => (loadingState.response as List?)?.isNotEmpty == true
         ? GridView.builder(
             padding: const EdgeInsets.only(
               left: StyleString.safeSpace,
@@ -30,14 +32,15 @@ Widget searchLivePanel(BuildContext context, ctr, loadingState) {
               return LiveItem(liveItem: loadingState.response[index]);
             },
           )
-      : CustomScrollView(
+        : errorWidget(
-          slivers: [
+            callback: ctr.onReload,
-            HttpError(
-              errMsg: loadingState is Error ? loadingState.errMsg : '没有相关数据',
-              fn: ctr.onReload,
           ),
-          ],
+    Error() => errorWidget(
-        );
+        errMsg: loadingState.errMsg,
+        callback: ctr.onReload,
+      ),
+    LoadingState() => throw UnimplementedError(),
+  };
 }
 
 class LiveItem extends StatelessWidget {

lib/pages/search_panel/widgets/media_bangumi_panel.dart

@@ -192,7 +192,7 @@ Widget searchBangumiPanel(BuildContext context, ctr, loadingState) {
             )
           : HttpError(
               errMsg: loadingState is Error ? loadingState.errMsg : '没有相关数据',
-              fn: ctr.onReload,
+              callback: ctr.onReload,
             ),
     ],
   );

lib/pages/search_panel/widgets/user_panel.dart

@@ -150,7 +150,7 @@ Widget searchUserPanel(BuildContext context, searchPanelCtr, loadingState) {
             )
           : HttpError(
               errMsg: loadingState is Error ? loadingState.errMsg : '没有相关数据',
-              fn: searchPanelCtr.onReload,
+              callback: searchPanelCtr.onReload,
             )
     ],
   );

lib/pages/search_panel/widgets/video_panel.dart

@@ -123,7 +123,7 @@ class SearchVideoPanel extends StatelessWidget {
               )
             : HttpError(
                 errMsg: loadingState is Error ? loadingState.errMsg : '没有相关数据',
-                fn: ctr.onReload,
+                callback: ctr.onReload,
               ),
       ],
     );

lib/pages/search_result/view.dart

@@ -64,7 +64,6 @@ class _SearchResultPageState extends State<SearchResultPage>
           const SizedBox(height: 4),
           Container(
             width: double.infinity,
-            padding: const EdgeInsets.only(left: 8),
             color: Theme.of(context).colorScheme.surface,
             child: Theme(
               data: ThemeData(
@@ -72,6 +71,7 @@ class _SearchResultPageState extends State<SearchResultPage>
                 highlightColor: Colors.transparent, // 点击时的背景高亮颜色设置为透明
               ),
               child: TabBar(
+                padding: const EdgeInsets.symmetric(horizontal: 8),
                 controller: _tabController,
                 tabs: SearchType.values
                     .map(

lib/pages/setting/pages/logs.dart

@@ -1,7 +1,7 @@
 import 'dart:io';
+import 'package:PiliPalaX/common/widgets/loading_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 import 'package:url_launcher/url_launcher.dart';
 import '../../../services/loggeer.dart';
 
@@ -194,11 +194,7 @@ class _LogsPageState extends State<LogsPage> {
                 );
               },
             )
-          : const CustomScrollView(
+          : errorWidget(),
-              slivers: <Widget>[
-                NoData(),
-              ],
-            ),
     );
   }
 }

lib/pages/setting/recommend_setting.dart

@@ -105,6 +105,7 @@ class _RecommendSettingState extends State<RecommendSetting> {
             leading: Icon(Icons.refresh),
             setKey: SettingBoxKey.enableSaveLastData,
             defaultVal: false,
+            needReboot: true,
           ),
           // 分割线
           const Divider(height: 1),

lib/pages/setting/style_setting.dart

@@ -44,7 +44,7 @@ class _StyleSettingState extends State<StyleSetting> {
         setting.get(SettingBoxKey.maxRowWidth, defaultValue: 240.0) as double;
     upPanelPosition = UpPanelPosition.values[setting.get(
         SettingBoxKey.upPanelPosition,
-        defaultValue: UpPanelPosition.leftFixed.code)];
+        defaultValue: UpPanelPosition.leftFixed.index)];
   }
 
   @override
@@ -67,10 +67,10 @@ class _StyleSettingState extends State<StyleSetting> {
               callFn: (value) {
                 if (value) {
                   autoScreen();
-                  SmartDialog.showToast('已开启横屏适配');
+                  // SmartDialog.showToast('已开启横屏适配');
                 } else {
                   AutoOrientation.portraitUpMode();
-                  SmartDialog.showToast('已关闭横屏适配');
+                  // SmartDialog.showToast('已关闭横屏适配');
                 }
               }),
           const SetSwitchItem(
@@ -171,7 +171,7 @@ class _StyleSettingState extends State<StyleSetting> {
               );
               if (result != null) {
                 upPanelPosition = result;
-                setting.put(SettingBoxKey.upPanelPosition, result.code);
+                setting.put(SettingBoxKey.upPanelPosition, result.index);
                 SmartDialog.showToast('重启生效');
                 setState(() {});
               }
@@ -307,7 +307,7 @@ class _StyleSettingState extends State<StyleSetting> {
               if (result != null) {
                 _tempThemeValue = result;
                 settingController.themeType.value = result;
-                setting.put(SettingBoxKey.themeMode, result.code);
+                setting.put(SettingBoxKey.themeMode, result.index);
                 Get.forceAppUpdate();
               }
             },

lib/pages/subscription/view.dart

@@ -80,7 +80,7 @@ class _SubPageState extends State<SubPage> {
                 slivers: [
                   HttpError(
                     errMsg: data?['msg'],
-                    fn: () => setState(() {}),
+                    callback: () => setState(() {}),
                   ),
                 ],
               );

lib/pages/subscription_detail/view.dart

@@ -6,7 +6,6 @@ import 'package:get/get.dart';
 import 'package:PiliPalaX/common/skeleton/video_card_h.dart';
 import 'package:PiliPalaX/common/widgets/http_error.dart';
 import 'package:PiliPalaX/common/widgets/network_img_layer.dart';
-import 'package:PiliPalaX/common/widgets/no_data.dart';
 
 import '../../models/user/sub_folder.dart';
 import '../../utils/utils.dart';
@@ -206,7 +205,12 @@ class _SubDetailPageState extends State<SubDetailPage> {
                 Map data = snapshot.data;
                 if (data['status']) {
                   if (_subDetailController.item.mediaCount == 0) {
-                    return const NoData();
+                    return HttpError(
+                      callback: () => setState(() {
+                        _futureBuilderFuture =
+                            _subDetailController.queryUserSubFolderDetail();
+                      }),
+                    );
                   } else {
                     List subList = _subDetailController.subList;
                     return Obx(
@@ -225,7 +229,10 @@ class _SubDetailPageState extends State<SubDetailPage> {
                 } else {
                   return HttpError(
                     errMsg: data['msg'],
-                    fn: () => setState(() {}),
+                    callback: () => setState(() {
+                      _futureBuilderFuture =
+                          _subDetailController.queryUserSubFolderDetail();
+                    }),
                   );
                 }
               } else {

lib/pages/video/detail/introduction/controller.dart

@@ -699,7 +699,10 @@ class VideoIntroController extends GetxController
     late RelatedController relatedCtr;
     try {
       relatedCtr = Get.find<RelatedController>(tag: heroTag);
-      if (relatedCtr.loadingState.value is Empty) {
+      if (relatedCtr.loadingState.value is! Success) {
+        return false;
+      }
+      if ((relatedCtr.loadingState.value as Success).response.isEmpty == true) {
         SmartDialog.showToast('暂无相关视频，停止连播');
         return false;
       }

lib/pages/video/detail/introduction/widgets/create_fav_page.dart

@@ -101,7 +101,7 @@ class _CreateFavPageState extends State<CreateFavPage> {
                         slivers: [
                           HttpError(
                             errMsg: _errMsg,
-                            fn: _getFolderInfo,
+                            callback: _getFolderInfo,
                           ),
                         ],
                       ),

lib/pages/video/detail/introduction/widgets/fav_panel.dart

@@ -147,7 +147,7 @@ class _FavPanelState extends State<FavPanel> {
                           slivers: [
                             HttpError(
                               errMsg: data['msg'],
-                              fn: () => setState(() {
+                              callback: () => setState(() {
                                 _futureBuilderFuture =
                                     widget.ctr!.queryVideoInFolder();
                               }),

lib/pages/video/detail/introduction/widgets/group_panel.dart

@@ -144,7 +144,7 @@ class _GroupPanelState extends State<GroupPanel> {
                           slivers: [
                             HttpError(
                               errMsg: data['msg'],
-                              fn: () => setState(() {}),
+                              callback: () => setState(() {}),
                             ),
                           ],
                         );

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

@@ -43,7 +43,22 @@ class _RelatedVideoPanelState extends State<RelatedVideoPanel>
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => SliverGrid(
+          gridDelegate: SliverGridDelegateWithExtentAndRatio(
+              mainAxisSpacing: StyleString.safeSpace,
+              crossAxisSpacing: StyleString.safeSpace,
+              maxCrossAxisExtent: Grid.maxRowWidth * 2,
+              childAspectRatio: StyleString.aspectRatio * 2.4,
+              mainAxisExtent: 0),
+          delegate: SliverChildBuilderDelegate(
+            (context, index) {
+              return const VideoCardHSkeleton();
+            },
+            childCount: 5,
+          ),
+        ),
+      Success() => (loadingState.response as List?)?.isNotEmpty == true
           ? SliverGrid(
               gridDelegate: SliverGridDelegateWithExtentAndRatio(
                   mainAxisSpacing: StyleString.safeSpace,
@@ -53,7 +68,8 @@ class _RelatedVideoPanelState extends State<RelatedVideoPanel>
                   mainAxisExtent: 0),
               delegate: SliverChildBuilderDelegate((context, index) {
                 if (index == loadingState.response.length) {
-                return SizedBox(height: MediaQuery.of(context).padding.bottom);
+                  return SizedBox(
+                      height: MediaQuery.of(context).padding.bottom);
                 } else {
                   return Material(
                     child: VideoCardH(
@@ -71,26 +87,14 @@ class _RelatedVideoPanelState extends State<RelatedVideoPanel>
                 }
               }, childCount: loadingState.response.length + 1),
             )
-        : loadingState is Error
+          : HttpError(
-            ? HttpError(
+              callback: _relatedController.onReload,
-                errMsg: '出错了',
-                fn: _relatedController.onReload,
-              )
-            : loadingState is Empty
-                ? const SliverToBoxAdapter(child: SizedBox.shrink())
-                : SliverGrid(
-                    gridDelegate: SliverGridDelegateWithExtentAndRatio(
-                        mainAxisSpacing: StyleString.safeSpace,
-                        crossAxisSpacing: StyleString.safeSpace,
-                        maxCrossAxisExtent: Grid.maxRowWidth * 2,
-                        childAspectRatio: StyleString.aspectRatio * 2.4,
-                        mainAxisExtent: 0),
-                    delegate: SliverChildBuilderDelegate(
-                      (context, index) {
-                        return const VideoCardHSkeleton();
-                      },
-                      childCount: 5,
             ),
-                  );
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _relatedController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }

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

@@ -200,7 +200,16 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
   }
 
   Widget _buildBody(LoadingState loadingState) {
-    return loadingState is Success
+    return switch (loadingState) {
+      Loading() => SliverList(
+          delegate: SliverChildBuilderDelegate(
+            (BuildContext context, index) {
+              return const VideoReplySkeleton();
+            },
+            childCount: 5,
+          ),
+        ),
+      Success() => (loadingState.response.replies as List?)?.isNotEmpty == true
           ? SliverList(
               delegate: SliverChildBuilderDelegate(
                 (BuildContext context, index) {
@@ -244,19 +253,15 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
                 childCount: loadingState.response.replies.length + 1,
               ),
             )
-        : loadingState is Error
+          : HttpError(
-            ? HttpError(
+              callback: _videoReplyController.onReload,
-                errMsg: loadingState.errMsg,
-                fn: _videoReplyController.onReload,
-              )
-            : SliverList(
-                delegate: SliverChildBuilderDelegate(
-                  (BuildContext context, index) {
-                    return const VideoReplySkeleton();
-                  },
-                  childCount: 5,
             ),
-              );
+      Error() => HttpError(
+          errMsg: loadingState.errMsg,
+          callback: _videoReplyController.onReload,
+        ),
+      LoadingState() => throw UnimplementedError(),
+    };
   }
 }
 

lib/pages/video/detail/reply_reply/controller.dart

@@ -146,10 +146,20 @@ class VideoReplyReplyController extends CommonController
     }
     upMid ??= replies.subjectControl.upMid.toInt();
     cursor = replies.cursor;
+    if (currentPage != 1) {
+      List<ReplyInfo> list = loadingState.value is Success
+          ? (loadingState.value as Success).response
+          : <ReplyInfo>[];
+      if (isDialogue) {
+        replies.replies.insertAll(0, list);
+      } else {
+        replies.root.replies.insertAll(0, list);
+      }
+    }
     if (isDialogue) {
       if (replies.replies.isNotEmpty) {
         noMore.value = '加载中...';
-        if (replies.cursor.isEnd) {
+        if (replies.cursor.isEnd || count.value >= replies.replies.length) {
           noMore.value = '没有更多了';
         }
       } else {
@@ -159,7 +169,8 @@ class VideoReplyReplyController extends CommonController
     } else {
       if (replies.root.replies.isNotEmpty) {
         noMore.value = '加载中...';
-        if (replies.cursor.isEnd) {
+        if (replies.cursor.isEnd ||
+            count.value >= replies.root.replies.length) {
           noMore.value = '没有更多了';
         }
       } else {
@@ -167,16 +178,6 @@ class VideoReplyReplyController extends CommonController
         noMore.value = currentPage == 1 ? '还没有评论' : '没有更多了';
       }
     }
-    if (currentPage != 1) {
-      List<ReplyInfo> list = loadingState.value is Success
-          ? (loadingState.value as Success).response
-          : <ReplyInfo>[];
-      if (isDialogue) {
-        replies.replies.insertAll(0, list);
-      } else {
-        replies.root.replies.insertAll(0, list);
-      }
-    }
     if (isDialogue) {
       loadingState.value = LoadingState.success(replies.replies);
     } else {

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

@@ -333,7 +333,7 @@ class _VideoReplyReplyPanelState extends State<VideoReplyReplyPanel> {
         slivers: [
           HttpError(
             errMsg: loadingState.errMsg,
-            fn: _videoReplyReplyController.onReload,
+            callback: _videoReplyReplyController.onReload,
           )
         ],
       );