测试iOS中Http服务的问题

lib/bloc/web_cubit.dart

@@ -1052,18 +1052,52 @@ class WebCubit extends Cubit<WebState> with WidgetsBindingObserver {
     _sendResponse(resp);
   }
 
+  bool _hasBeenResumed = false;
+
   @override
   Future<void> didChangeAppLifecycleState(AppLifecycleState lifecycleState) async {
-
     if (lifecycleState == AppLifecycleState.resumed) {
       // 检测本机Http服务是否运行
       var localServerService = getIt.get<LocalServerService>();
-      var result = await localServerService.checkServerHealth();
-      if (result) {
-        print('Http服务正常');
+
+      if (Platform.isIOS) {
+        if (_hasBeenResumed) {
+          // 代表从后台恢复
+
+          var result = await localServerService.checkServerHealth();
+          if (result) {
+            print('Http服务正常');
+          } else {
+            print('Http服务异常---------------------------------------');
+            emit(state.copyWith(errMsg: '${DateTime.now()}'));
+
+            try {
+              _server?.close();
+            } catch (e) {
+              print('SocketException: $e');
+            }
+            _server = await localServerService.restartLocalServer();
+          }
+        } else {
+          // 代表初次
+
+          _hasBeenResumed = true;
+        }
       } else {
-        print('Http服务异常---------------------------------------');
-        emit(state.copyWith(errMsg: '${DateTime.now()}'));
+        var result = await localServerService.checkServerHealth();
+        if (result) {
+          print('Http服务正常');
+        } else {
+          print('Http服务异常---------------------------------------');
+          emit(state.copyWith(errMsg: '${DateTime.now()}'));
+
+          try {
+            _server?.close();
+          } catch (e) {
+            print('SocketException: $e');
+          }
+          _server = await localServerService.restartLocalServer();
+        }
       }
     }
 

lib/services/local_server_service.dart

@@ -223,4 +223,40 @@ class LocalServerService {
       return false;
     }
   }
+
+  ///
+  /// 在之前启动的端口，重新启动服务
+  ///
+  Future<HttpServer> restartLocalServer() async {
+
+    // 使用之前保存的端口 Constant.localServerPort 进行启动
+    HttpServer server = await HttpServer.bind(InternetAddress.loopbackIPv4, Constant.localServerPort);
+
+    server.listen((HttpRequest request) async {
+      final String requestPath = request.uri.path == '/' ? '/index.html' : request.uri.path;
+
+      try {
+        if (requestPath.startsWith('${Constant.localServerTemp}/')) {
+          // 目录文件服务逻辑
+          await _serveTempFile(request, requestPath);
+        } else if (requestPath.startsWith('${Constant.localServerTest}/')) {
+          // 内部assets文件服务逻辑
+          await _serveAssetFile(request, requestPath);
+        } else {
+          // 内部集成H5文件服务逻辑
+          await _serveHttpFile(request, requestPath);
+        }
+      } catch (e) {
+        print('处理请求时出错: $e');
+        request.response
+          ..statusCode = HttpStatus.internalServerError
+          ..write('Internal server error')
+          ..close();
+      }
+    });
+
+    return server;
+  }
+
+
 }