怎样写包？

[sxzhj]

如果我要将消息头，消息组成一个发送包，比如
Message Length 4 Integer 消息的总长度(字节)
Command ID 4 Integer 命令ID
Sequence Number 12 Integer 序列号
SPNumber 21 Text
ChargeNumber 21 Text
UserCount 1 Integer
UserNumber 21 Text
… … …
CorpId 5 Text
ServiceType 10 Text
FeeType 1 Integer
FeeValue 6 Text
GivenValue 6 Text
AgentFlag 1 Integer
MorelatetoMTFlag 1 Integer
Priority 1 Integer
ExpireTime 16 Text
ScheduleTime 16 Text
ReportFlag 1 Integer
TP_pid 1 Integer
TP_udhi 1 Integer
MessageCoding 1 Integer
MessageType 1 Integer
MessageLength 4 Integer
MessageContent Message Length Text
Reserve 8 Text
按位置一个个对应得放进unsigned char 数组里？

[lysbeyondlys]

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