上一篇写服务端的文章已经是去年年底,现在MQTTnet的版本是4.2.1.781,总的来说改动不大。下面以新版为例实现一个客户端。var mqttClientOptions = new MqttClientOptionsBuilder()
.WithTcpServer("地址", 端口)
.WithClientId("我是客户端名称")//连接id
.WithCredentials("demo","123456")//如果有用户名密码
.WithTls()//如果启用了ssl/tls
.WithProtocolVersion(MqttProtocolVersion.V500)//如果用mqtt5
.Build();//配置
IMqttClient client = new MqttFactory().CreateMqttClient();//创...