ISO8583协议文档资料和源代码,介绍了ISO8583各个数据域格式,源代码包含了协议组包和协议解包,对学习这方面的人,是极好参考资料-ISO8583 protocol documentation and source code, introduced the ISO8583 format of each data field, the source code package contains a protocol and protocol have been unpacked, for le