新增多语言转换 mqtt支持websocket

lib/base/redis/redis.dart

@@ -3,6 +3,7 @@ import 'package:redis/redis.dart';
 class Redis {
   final RedisConfig _config;
   Command? _command;
+  bool _connected = false;
 
   Redis(this._config);
 
@@ -16,7 +17,12 @@ class Redis {
     _redis = redis;
   }
 
+  bool isConnected() {
+    return this._connected;
+  }
+
   Future<void> connect({reconnect = false}) async {
+    _connected = false;
     if (reconnect) {
       print("尝试重连Redis");
     }
@@ -24,6 +30,7 @@ class Redis {
       try {
         _command = await RedisConnection().connect(_config.host, _config.port);
         print('Redis Connected successfully!');
+        _connected = true;
         //定时检测是否断开连接
         Future.delayed(Duration(seconds: 1), () async {
           do {
@@ -54,22 +61,42 @@ class Redis {
   }
 
   Future<bool> set(String key, String value) async {
-    var response = await _command?.send_object(["SET", key, value]);
-    return response == "OK";
+    try {
+      var response = await _command?.send_object(["SET", key, value]);
+      return response == "OK";
+    } catch (e) {
+      print(e);
+      return false;
+    }
   }
 
   Future<String?> get(String key) async {
-    return await _command?.send_object(["GET", key]);
+    try {
+      return await _command?.send_object(["GET", key]);
+    } catch (e) {
+      print(e);
+      return null;
+    }
   }
 
   Future<bool> delete(String key) async {
-    return await _command?.send_object(["DEL", key]) == "OK";
+    try {
+      return await _command?.send_object(["DEL", key]) == "OK";
+    } catch (e) {
+      print(e);
+      return false;
+    }
   }
 
   Future<bool> setWithExpiry(String key, String value, int ttlInSeconds) async {
-    var response = await _command
-        ?.send_object(["SETEX", key, ttlInSeconds.toString(), value]);
-    return response == "OK";
+    try {
+      var response = await _command
+          ?.send_object(["SETEX", key, ttlInSeconds.toString(), value]);
+      return response == "OK";
+    } catch (e) {
+      print(e);
+      return false;
+    }
   }
 }