添加websocket支持

lib/main.dart

@@ -26,6 +26,7 @@ void main() async {
   MainInitialize.initTheme();
   await MainInitialize.initJPush();
   MainInitialize.initWechat();
+  MainInitialize.initWebSocket();
 
   runApp(MyApp());
 }

lib/main_initialize.dart

@@ -1,5 +1,7 @@
 import 'dart:io';
 
+import 'package:aku_community/utils/websocket/fire_dialog.dart';
+import 'package:aku_community/utils/websocket/web_socket_util.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
@@ -76,4 +78,16 @@ class MainInitialize {
     if (kIsWeb || Platform.isMacOS) return;
     registerWxApi(appId: AppConfig.wechatAppId);
   }
+
+  static initWebSocket() {
+    WebSocketUtil().initWebSocket(
+      consolePrint: false,
+      onReceiveMes: (message) async {
+        await FireDialog.fireAlarm(message);
+      },
+      onError: (e) {
+        LoggerData.addData(e);
+      },
+    );
+  }
 }

lib/pages/opening_code_page/opening_code_page.dart

@@ -27,6 +27,7 @@ class _OpeningCodePageState extends State<OpeningCodePage> {
   late String _qrCode;
   late bool _overDate;
   late EasyRefreshController _refreshController;
+  static const int seconds = 300; //有效时间
   Timer? _overDateTimer;
   @override
   void initState() {
@@ -46,7 +47,8 @@ class _OpeningCodePageState extends State<OpeningCodePage> {
         await NetUtil().get(API.manager.getDoorQrCode, params: {
       "startTime":
           DateUtil.formatDate(_currentTime, format: 'yyyy/MM/dd HH:mm:ss'),
-      "endTime": DateUtil.formatDate(_currentTime.add(Duration(minutes: 30)),
+      "endTime": DateUtil.formatDate(
+          _currentTime.add(Duration(seconds: seconds)),
           format: 'yyyy/MM/dd HH:mm:ss'),
     });
     if ((baseModel.status ?? false) && baseModel.data != null) {
@@ -62,12 +64,10 @@ class _OpeningCodePageState extends State<OpeningCodePage> {
   }
 
   startTimer() {
-    _overDateTimer = Timer.periodic(Duration(minutes: 1), (timer) {
-      if (timer.tick >= 5) {
-        _overDate = true;
-        endTimer();
-        setState(() {});
-      }
+    _overDateTimer = Timer.periodic(Duration(seconds: seconds), (timer) {
+      _overDate = true;
+      endTimer();
+      setState(() {});
     });
   }
 

lib/pages/tab_navigator.dart

@@ -1,3 +1,4 @@
+import 'package:aku_community/utils/websocket/web_socket_util.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
@@ -106,6 +107,7 @@ class _TabNavigatorState extends State<TabNavigator>
             return false;
           }
           //否则关闭app
+          WebSocketUtil().closeWebSocket();
           return true;
         },
         child: TabBarView(

lib/provider/user_provider.dart

@@ -1,5 +1,6 @@
 import 'dart:io';
 
+import 'package:aku_community/utils/websocket/web_socket_util.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
@@ -32,6 +33,8 @@ class UserProvider extends ChangeNotifier {
     await updateProfile();
     await updateUserDetail();
     await appProvider.updateHouses(await HouseFunc.passedHouses);
+    WebSocketUtil().setUser(userInfoModel!.id.toString());
+    WebSocketUtil().startWebSocket();
     notifyListeners();
   }
 
@@ -47,6 +50,7 @@ class UserProvider extends ChangeNotifier {
     NetUtil().dio!.options.headers.remove('App-Admin-Token');
     HiveStore.appBox!.delete('token');
     HiveStore.appBox!.delete('login');
+    WebSocketUtil().closeWebSocket();
     notifyListeners();
   }
 

lib/utils/message_parser.dart

@@ -1,11 +1,8 @@
 import 'dart:convert';
 
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
+import 'package:aku_community/utils/websocket/fire_dialog.dart';
 
-import 'package:get/get.dart';
 
-import 'package:aku_community/utils/headers.dart';
 
 class MessageParser {
   final Map<String, dynamic> message;
@@ -27,34 +24,7 @@ class MessageParser {
 
     switch (type) {
       case '1':
-        await fireAlarm(subTitle);
+        await FireDialog.fireAlarm(subTitle);
     }
   }
-
-  ///火警
-  fireAlarm(String content) async {
-    await Get.dialog(
-      CupertinoAlertDialog(
-        title: Text('发生火灾'),
-        content: Column(
-          children: [
-            Text(subTitle),
-            10.hb,
-            Icon(
-              CupertinoIcons.bell_fill,
-              color: Colors.red,
-              size: 48.w,
-            ),
-          ],
-        ),
-        actions: [
-          CupertinoDialogAction(
-            child: Text('确认'),
-            onPressed: () => Get.back(),
-          ),
-        ],
-      ),
-      barrierDismissible: false,
-    );
-  }
 }

lib/utils/websocket/fire_dialog.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:aku_community/extensions/num_ext.dart';
+
+class FireDialog {
+  static fireAlarm(String content) async {
+    await Get.dialog(
+      CupertinoAlertDialog(
+        title: Text('发生火灾'),
+        content: Column(
+          children: [
+            Text(content),
+            10.hb,
+            Icon(
+              CupertinoIcons.bell_fill,
+              color: Colors.red,
+              size: 48.w,
+            ),
+          ],
+        ),
+        actions: [
+          CupertinoDialogAction(
+            child: Text('确认'),
+            onPressed: () => Get.back(),
+          ),
+        ],
+      ),
+      barrierDismissible: false,
+    );
+  }
+}

lib/utils/websocket/web_socket_util.dart

@@ -0,0 +1,208 @@
+import 'dart:async';
+import 'package:bot_toast/bot_toast.dart';
+import 'package:power_logger/power_logger.dart';
+import 'package:web_socket_channel/io.dart';
+import 'package:web_socket_channel/web_socket_channel.dart';
+
+const String baseUri = 'wss://test.kaidalai.cn/websocket/app';
+enum SOCKETSTATUS {
+  CONNECTED, //已连接
+  BREAKOFF, //已断开
+  CLOSED, //已关闭
+}
+
+class WebSocketUtil {
+  static final WebSocketUtil _socket = WebSocketUtil._();
+
+//内部构造函数
+  WebSocketUtil._();
+//单例模式
+  factory WebSocketUtil() => _socket;
+
+  IOWebSocketChannel? _webSocket;
+
+  ///用户设置不同的服务器地址
+  String _user = 'admin';
+
+  ///连接状态
+  SOCKETSTATUS _socketStatus = SOCKETSTATUS.CLOSED;
+
+  ///心跳计时器；
+  Timer? _heartTimer;
+
+  ///心跳间隔
+  Duration _heartDuration = Duration(seconds: 30);
+
+  ///重连计数器
+  int _reconnectCount = 0;
+
+  ///重连最大次数
+  int _reconnectTimes = 30;
+
+  ///重连计时器
+  Timer? _reconnectTimer;
+
+  ///连接错误回调
+  Function(dynamic e)? onError;
+
+  ///开启回调
+  Function? onStart;
+
+  ///接收消息回调
+  Function(String message)? onReceiveMes;
+
+  ///关闭连接回调；
+  Function? onClosed;
+
+  ///控制台输出
+  bool _consolePrint = true;
+
+  ///注册websocket
+  void initWebSocket(
+      {Duration? heartDuration,
+      bool? consolePrint,
+      Function? onStart,
+      Function(String message)? onReceiveMes,
+      Function? onClosed,
+      Function(dynamic e)? onError}) {
+    this.onStart = onStart;
+    this.onReceiveMes = onReceiveMes;
+    this.onClosed = onClosed;
+    this.onError = onError;
+    if (consolePrint != null) {
+      this._consolePrint = consolePrint;
+    }
+    if (heartDuration != null) {
+      this._heartDuration = heartDuration;
+    }
+    print('——————————webSocket init ——————————');
+  }
+
+  ///设置用户
+  void setUser(String user) {
+    this._user = user;
+  }
+
+  ///开启websocket
+  void startWebSocket() {
+    closeWebSocket();
+    try {
+      _webSocket = IOWebSocketChannel.connect(Uri.parse('$baseUri/$_user'));
+      print('webSocket已连接服务器：$baseUri/$_user');
+      _socketStatus = SOCKETSTATUS.CONNECTED;
+      endReconnect();
+      onStart?.call();
+      _webSocket!.stream.listen(
+          (event) => webSocketReceiveMessage(event as String),
+          onError: webSocketOnError,
+          onDone: webSocketClosed);
+      initHeartBeat();
+    } catch (e) {
+      BotToast.showText(text: 'webSocket连接失败');
+      onError?.call(e);
+      LoggerData.addData(e);
+    }
+  }
+
+  //接收消息回调
+  webSocketReceiveMessage(message) {
+    if (message == '心跳正常') {
+      _dPrint('心跳正常————————${DateTime.now()}');
+    } else {
+      onReceiveMes?.call(message);
+    }
+  }
+
+  //关闭连接回调
+  webSocketClosed() {
+    closeWebSocket();
+    onClosed?.call();
+  }
+
+  //连接出错回调
+  webSocketOnError(e) {
+    WebSocketChannelException ex = e;
+    _socketStatus = SOCKETSTATUS.BREAKOFF;
+    onError?.call(ex.message);
+    print('——————连接断开，开始重连');
+    startReconnect();
+  }
+
+  //启动重连计时
+  void startReconnect() {
+    endReconnect();
+    _reconnectTimer = Timer.periodic(Duration(milliseconds: 5000), (timer) {
+      _reconnectCount++;
+      print('——————第${_reconnectCount}次重连');
+      startWebSocket();
+      if (_reconnectCount >= _reconnectTimes) {
+        print('——————重连失败');
+        closeWebSocket();
+      }
+    });
+  }
+
+  //重置重连计时
+  void endReconnect() {
+    _reconnectTimer?.cancel();
+    _reconnectTimer = null;
+    _reconnectCount = 0;
+  }
+
+  ///初始化心跳
+  void initHeartBeat() {
+    destoryHeart();
+    _heartTimer = Timer.periodic(_heartDuration, (timer) {
+      sentHeart();
+    });
+  }
+
+  //发送心跳
+  void sentHeart() {
+    sendMessage('heartbeat');
+  }
+
+  ///销毁心跳
+  void destoryHeart() {
+    _heartTimer?.cancel();
+    _heartTimer = null;
+  }
+
+  ///关闭websocket
+  void closeWebSocket() {
+    if (_webSocket != null) {
+      _webSocket!.sink.close();
+      print('——————websocket连接已关闭');
+    }
+    endReconnect();
+    destoryHeart();
+    _socketStatus = SOCKETSTATUS.CLOSED;
+  }
+
+  ///向websocket服务器发送消息
+  void sendMessage(message) {
+    if (_webSocket != null) {
+      switch (_socketStatus) {
+        case SOCKETSTATUS.CONNECTED:
+          _dPrint('发送中：' + message);
+          _webSocket!.sink.add(message);
+          break;
+        case SOCKETSTATUS.CLOSED:
+          print('连接已关闭');
+          break;
+        case SOCKETSTATUS.BREAKOFF:
+          print('发送失败');
+          break;
+        default:
+          break;
+      }
+    }
+  }
+
+  //封装print
+  void _dPrint(dynamic data) {
+    if (this._consolePrint) {
+      print(data);
+    }
+  }
+}

pubspec.yaml

@@ -36,6 +36,8 @@ dependencies:
 
   #用户存储路径
   path_provider: ^2.0.1
+  #webscoket
+  web_socket_channel: ^2.1.0
 
   #支付宝支付功能
   tobias: ^2.1.0