fix bugs

lib/views/home/abnormal/abnormal_detail_view.dart

@@ -27,17 +27,24 @@ class AbnormalDetailView extends StatelessWidget {
   Widget build(BuildContext context) {
     return BlocProvider(
       create: (_) => AbnormalCubit(alertId: alertId),
-      child: Scaffold(
-        backgroundColor: const Color.fromRGBO(242, 243, 245, 1),
-        appBar: AppBar(
+      child: Builder(
+        builder: (context) => PopScope(
+          canPop: false,
+          onPopInvokedWithResult: (didPop, _) {
+            if (!didPop) {
+              final cubit = context.read<AbnormalCubit>();
+              Navigator.of(context).pop(cubit.state.isHandled);
+            }
+          },
+          child: Scaffold(
+            backgroundColor: const Color.fromRGBO(242, 243, 245, 1),
+            appBar: AppBar(
           backgroundColor: Colors.white,
           elevation: 0,
           leading: IconButton(
             icon: const Icon(Icons.arrow_back_ios,
                 color: Color.fromRGBO(100, 116, 139, 1)),
-            onPressed: () {
-              context.popRoute();
-            },
+            onPressed: () => context.maybePop(),
           ),
           title: Text(
             '查看告警详情',
@@ -49,7 +56,7 @@ class AbnormalDetailView extends StatelessWidget {
           ),
           centerTitle: true,
         ),
-        body: BlocBuilder<AbnormalCubit, AbnormalState>(
+            body: BlocBuilder<AbnormalCubit, AbnormalState>(
           builder: (context, state) {
             if (state.isLoading) {
               return const Center(child: CircularProgressIndicator(color: Color.fromRGBO(66, 165, 245, 1.0)));
@@ -90,6 +97,8 @@ class AbnormalDetailView extends StatelessWidget {
             );
           },
         ),
+          ),
+        ),
       ),
     );
   }

lib/views/home/abnormal_list/cubit/abnormal_list_cubit.dart

@@ -81,44 +81,13 @@ class AbnormalListCubit extends Cubit<AbnormalListState> {
 
   Future<void> onAlarmItemTap(AlarmItem item, BuildContext context) async {
     final alertId = int.tryParse(item.id) ?? 0;
-    final handled = await context.pushRoute(
+    await context.pushRoute(
       AbnormalDetailRoute(alertId: alertId, alarmStatus: item.status),
-    );
-    // if (handled != null && handled is bool && handled == true) {
-      // _updateItemStatus(item.id);
-    // }
-  }
-
-  /// 在分页列表中定位并更新单条记录的状态（不重新请求接口）
-  void _updateItemStatus(String alertId) {
-    final state = _pagingController?.value;
-    if (state == null) return;
-
-    final pages = state.pages;
-    if (pages == null) return;
-
-    var found = false;
-    final newPages = pages.map((page) {
-      if (found) return page;
-      final index = page.indexWhere((i) => i.id == alertId);
-      if (index == -1) return page;
-      found = true;
-      final newPage = List<AlarmItem>.from(page);
-      newPage[index] = AlarmItem(
-        id: newPage[index].id,
-        title: newPage[index].title,
-        deviceInfo: newPage[index].deviceInfo,
-        alarmTime: newPage[index].alarmTime,
-        processTime: newPage[index].processTime,
-        status: AlarmStatus.processed,
-        level: newPage[index].level,
-        alertIcon: newPage[index].alertIcon,
-      );
-      return newPage;
-    }).toList();
-
-    if (found) {
-      _pagingController?.value = state.copyWith(pages: newPages);
-    }
+    ).then((value) {
+      if (value != null && value is bool && value) {
+        // 详情页已处理，返回刷新数据
+        _pagingController?.refresh();
+      }
+    });
   }
 }

lib/views/home/index/cubit/home_index_cubit.dart

@@ -12,6 +12,8 @@ class HomeIndexCubit extends Cubit<HomeIndexState> {
   final AlertDashboardService _service;
   final AlertDetailService _alertDetailService;
 
+  DateTime? _lastLoadTime;
+
   HomeIndexCubit({
     AlertDashboardService? service,
     AlertDetailService? alertDetailService,
@@ -24,10 +26,11 @@ class HomeIndexCubit extends Cubit<HomeIndexState> {
               repository: AlertDetailRepository(),
             ),
         super(const HomeIndexState()) {
-    loadDashboard();
+    loadData();
   }
 
-  Future<void> loadDashboard() async {
+  Future<void> loadData() async {
+    _lastLoadTime = DateTime.now();
     emit(state.copyWith(isLoading: true, error: null));
     try {
       final dashboard = await _service.getDashboard();
@@ -37,8 +40,13 @@ class HomeIndexCubit extends Cubit<HomeIndexState> {
     }
   }
 
-  Future<void> reloadDashboard() async {
-    loadDashboard();
+  /// 切回页面时调用，距上次加载不足 30 秒则跳过
+  void reloadDataIfStale() {
+    if (_lastLoadTime != null &&
+        DateTime.now().difference(_lastLoadTime!) < const Duration(seconds: 30)) {
+      return;
+    }
+    loadData();
   }
 
   /// 处理告警
@@ -48,7 +56,7 @@ class HomeIndexCubit extends Cubit<HomeIndexState> {
     try {
       await _alertDetailService.handleAlert(alertId: alertId);
       emit(state.copyWith(isHandlingAlert: false));
-      await reloadDashboard();
+      await loadData();
     } catch (e) {
       emit(state.copyWith(isHandlingAlert: false, error: e.toString()));
       rethrow;

lib/views/home/index/index_view.dart

@@ -45,7 +45,7 @@ class _HomeViewState extends State<HomeView> with AutoRouteAwareStateMixin<HomeV
     if (!mounted) return;
 
     if (_tabsRouter?.activeIndex == 0) {
-      context.read<HomeIndexCubit>().reloadDashboard();
+      context.read<HomeIndexCubit>().reloadDataIfStale();
     }
   }
 
@@ -77,7 +77,7 @@ class _HomeViewState extends State<HomeView> with AutoRouteAwareStateMixin<HomeV
                   SizedBox(height: 16.h),
                   ElevatedButton(
                     onPressed: () =>
-                        context.read<HomeIndexCubit>().reloadDashboard(),
+                        context.read<HomeIndexCubit>().loadData(),
                     child: const Text('重试'),
                   ),
                 ],

lib/views/home/index/widget/voltage_operate_block.dart

@@ -135,8 +135,15 @@ class VoltageOperateBlock extends StatelessWidget {
                 ),
                 Expanded(
                   child: GestureDetector(
-                    onTap: () {
-                      context.pushRoute(AbnormalDetailRoute(alertId: alertId, alarmStatus: AlarmStatus.pending));
+                    onTap: () async {
+                      await context.pushRoute(
+                          AbnormalDetailRoute(alertId: alertId,
+                          alarmStatus: AlarmStatus.pending)
+                      ).then((value) {
+                        if (value != null && value is bool && value) {
+                          context.read<HomeIndexCubit>().loadData();
+                        }
+                      });
                     },
                     child: Container(
                       padding: EdgeInsets.symmetric(vertical: 20.h),

lib/views/home/inspection_topology/cubit/inspection_topology_cubit.dart

@@ -37,7 +37,7 @@ class InspectionTopologyCubit extends Cubit<InspectionTopologyState> {
 
   void _emitFromTopology(DeviceTopologyBO topology) {
     final info = topology.deviceInfo;
-    final treeNodes = topology.treeNodes;
+    final treeNodes = topology.treeNodes.take(11).toList();
 
     if (treeNodes.isEmpty) {
       emit(InspectionTopologyState(

lib/views/report/index/cubit/report_index_cubit.dart

@@ -9,11 +9,11 @@ import 'package:smart_hotel_app/views/report/index/cubit/report_index_state.dart
 class ReportIndexCubit extends Cubit<ReportIndexState> {
   final DashboardService _service;
 
+  DateTime? _lastLoadTime;
+
   ReportIndexCubit({DashboardService? service})
       : _service = service ?? DashboardService(repository: DashboardRepository()),
-        super(const ReportIndexState()) {
-    // loadData();
-  }
+        super(const ReportIndexState());
 
   Future<void> loadData() async {
     emit(state.copyWith(isLoading: true, clearError: true));
@@ -25,7 +25,13 @@ class ReportIndexCubit extends Cubit<ReportIndexState> {
     }
   }
 
-  Future<void> reloadData() async {
+  /// 切回页面时调用，距上次加载不足 30 秒则跳过
+  void reloadDataIfStale() {
+    if (_lastLoadTime != null &&
+        DateTime.now().difference(_lastLoadTime!) < const Duration(seconds: 30)) {
+      return;
+    }
+    _lastLoadTime = DateTime.now();
     loadData();
   }
 

lib/views/report/index/index_view.dart

@@ -43,7 +43,7 @@ class _ReportIndexViewState extends State<ReportIndexView> with AutoRouteAwareSt
     if (!mounted) return;
 
     if (_tabsRouter?.activeIndex == 2) {
-      context.read<ReportIndexCubit>().reloadData();
+      context.read<ReportIndexCubit>().reloadDataIfStale();
     }
   }
 

lib/views/service/index/cubit/service_index_cubit.dart

@@ -11,23 +11,26 @@ class ServiceIndexCubit extends Cubit<ServiceIndexState> {
   final RoomStatisticsService _statisticsService;
   List<FloorAreaBO> _floorAreasCache = [];
 
+  DateTime? _lastLoadTime;
+
   ServiceIndexCubit()
       : _roomService = RoomService(repository: RoomRepository()),
         _statisticsService = RoomStatisticsService(
           repository: RoomStatisticsRepository(),
         ),
-        super(const ServiceIndexState()) {
-    // _init();
-  }
+        super(const ServiceIndexState());
 
-  // Future<void> _init() async {
-  //   await Future.wait([
-  //     loadStatistics(),
-  //     loadFloorAndAreas(),
-  //   ]);
-  // }
+  /// 切回页面时调用，距上次加载不足 30 秒则跳过
+  void reloadDataIfStale() {
+    if (_lastLoadTime != null &&
+        DateTime.now().difference(_lastLoadTime!) < const Duration(seconds: 30)) {
+      return;
+    }
+    _lastLoadTime = DateTime.now();
+    loadData();
+  }
 
-  Future<void> reloadAll() async {
+  Future<void> loadData() async {
     emit(state.copyWith(isLoading: true, error: null));
     try {
       await Future.wait([

lib/views/service/index/index_view.dart

@@ -40,7 +40,7 @@ class _ServiceIndexViewState extends State<ServiceIndexView> with AutoRouteAware
     if (!mounted) return;
 
     if (_tabsRouter?.activeIndex == 1) {
-      context.read<ServiceIndexCubit>().reloadAll();
+      context.read<ServiceIndexCubit>().reloadDataIfStale();
     }
   }