更新http服务器 剔除反射功能

lib/base/mqtt/mqtt.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:typed_data';
 
 import 'package:mqtt5_client/mqtt5_client.dart';
 import 'package:mqtt5_client/mqtt5_server_client.dart';
@@ -29,7 +30,14 @@ class Mqtt {
         _config.port);
     _client?.autoReconnect = true;
 
-    var state = await _client?.connect(_config.username, _config.password);
+    MqttConnectionStatus? state;
+    try {
+      state = await _client?.connect(_config.username, _config.password);
+    } catch (e) {
+      //连接错误
+      print("mqtt连接失败: 地址:${_config.host} 原因:$e");
+      return false;
+    }
     if (state!.state != MqttConnectionState.connected) {
       //连接失败
       print("mqtt连接失败: 地址:${_config.host} 原因:$state");
@@ -39,10 +47,20 @@ class Mqtt {
 
     _client?.updates.listen((List<MqttReceivedMessage<MqttMessage>> message) {
       final recMess = message[0].payload as MqttPublishMessage;
-      final payload = Utf8Decoder().convert(recMess.payload.message!);
-      // final payload =
-      // MqttUtilities.bytesToStringAsString(recMess.payload.message!);
-      _config.messgae(message[0].topic!, payload);
+      try {
+        if (_config.messgae != null) {
+          final payload = Utf8Decoder().convert(recMess.payload.message!);
+          // final payload =
+          // MqttUtilities.bytesToStringAsString(recMess.payload.message!);
+          _config.messgae!(message[0].topic!, payload);
+        } else if (_config.buffMessage != null) {
+          _config.buffMessage!(
+              message[0].topic!, recMess.payload.message!.buffer.asUint8List());
+        }
+      } catch (e) {
+        //转字符串失败
+        print(e);
+      }
     });
     _config.topic?.forEach((topic) {
       subscribe(topic, _config.qos);
@@ -80,13 +98,17 @@ class MqttConfig {
   String? password;
   List<String>? topic;
   int qos;
-  Function(String topic, String message) messgae;
+  //文本消息
+  Function(String topic, String message)? messgae;
+  //二进制消息
+  Function(String topic, Uint8List buff)? buffMessage;
 
   MqttConfig(
       {required this.host,
       this.port = 1883,
       required this.clientId,
-      required this.messgae,
+      this.messgae,
+      this.buffMessage,
       this.topic,
       this.qos = 0,
       this.username,