【摘要】 快餐连锁店 IC卡消费子系统是快餐连锁店信息管理系统的一个重要组成部分。本文从 IC卡消费子系统同整个系统的关系出发 ,重点讨论了 IC卡子系统任务、IC卡管理安全性 ,并给出了 IC卡文件系统的数据结构、PC机与 IC卡读写设备的通信及加密金额数据的产生方法更多还原

【Abstract】 The chain snack’s IC card consuming system is a very important part of the chain snack’s information management system.Starting to study the relation between IC card’s consuming system and the total information management system,the rule of IC card’s consuming system and the security of IC card management are discussed in this paper.The IC card file’s data structure,the communication between PC and IC card interface device and the method that brings enciphered money data are also presented.更多还原