createdReplyData static method
回复mqtt的方法 @param replyData 回复的数据 注意必须是16进制字符串 @param receiveMqttData //接受到的mqtt
Implementation
static String createdReplyData(String replyData, MqttData receiveMqttData) {
MqttData copy = receiveMqttData.copy(
messageType: MqttMessageType.receive, data: replyData);
return createdMqttHex(copy);
}