connect method
连接
Implementation
Future<void> connect([String? username, String? password]) async {
// LogService.instance.reportMQTT('MQTT 客户端连接中...');
// try {
// if (!connected) {
// await mqttClient?.connect(username, password);
// _reconnectCount = 0;
// }
// } on MqttNoConnectionException catch (e, s) {
// LogService.instance.reportMQTTError('MQTT 客户端连接失败', e, s);
// mqttClient?.disconnect();
// } on SocketException catch (e, s) {
// LogService.instance.reportMQTTError('MQTT 客户端 SocketException', e, s);
// mqttClient?.disconnect();
// } catch (e, s) {
// LogService.instance.reportMQTTError('MQTT 客户端异常', e, s);
// mqttClient?.disconnect();
// }
}