Flutter-Mqtts-esp8266物联网 Flutter-mqtt客户端支持MQTTS双向加密通信,域名证书认证! Flutter-mqtt客户端支持:eps8266,nodemcu等. 数据发送格式:{"SW":"A","onOff":"true"} SW代表开关,value值A,第一个, onOff代表开关状态,value值true是开,false是关. mqtt客户端,APP端订阅的是:topic = 'mqttMobile'; // Not a wildcard to