MqttData constructor

MqttData({ required String topic, required String sender, String? receive, String start = "EF55", String? messageNumber, MqttMessageType? messageType, String? secretKey, int? dataLength = 0, String? data, String? checkCode, String? timeout, String? createdTime, })

Implementation

MqttData(
    {required this.topic,
    required this.sender,
    this.receive,
    this.start = "EF55",
    this.messageNumber, //消息编码
    this.messageType, //消息类型 00 发送01代表回复消息
    this.secretKey, //密钥验证 aes加密 16个字节
    this.dataLength = 0, //数据长度
    this.data,
    this.checkCode,
    this.timeout,
    this.createdTime});