import 'io_type.dart'; abstract class Reply{ //value字节长度 int? packetHeader = 4; // 包头4个字节 int? packetType = 1; // 包类型1个字节 int? packetNumber = 1; // 包序号 int? packetIdentifier = 1; // 包标识 int? packetLength = 4; // 包标识 CommandType? commandType; int? packetMcrc = 2; // 校验位 //command key flag int commandKey = 0; Reply.parseData(this.commandType, List dataDetail); // Reply({this.result}); // bool get isSuccessfully => packetHeader == EF01EE02; }