饭卡管理系统(概要设计说明书)
1 引言 ................................................................................................................错误!未定义书签。
1.1 编写目的..............................................................................................错误!未定义书签。
1.2 背景......................................................................................................错误!未定义书签。
1.3 定义......................................................................................................错误!未定义书签。
1.4 参考资料..............................................................................................错误!未定义书签。
2 总体设计.........................................................................................................错误!未定义书签。
2.1 需求规定..............................................................................................错误!未定义书签。
2.1.1 功能要求..................................................................................................................2
2.1.2 性能要求.................................................................................. 错误!未定义书签。
2.1.3 输出要求..................................................................................................................3
2.1.4 输入要求..................................................................................................................3
2.1.5 在安全与保密方面的要求......................................................................................3
2.2 运行环境............................................................................................................................. 3
2.3 基本设计概念和处理流程..................................................................错误!未定义书签。
2.4 结构..................................................................................................................................... 4
2.5 功能需求与程序的关系..................................................................................................... 5
2.6 人工处理过程..................................................................................................................... 6
2.7 尚未解决的问题................................................................................................................. 6
3 接口设计........................................................................................................................................ 6
3.1 用户接口............................................................................................................................. 6
3.2 外部接口............................................................................................................................. 6
3.3 内部接口............................................................................................................................. 6
4 运行设计........................................................................................................................................ 7
4.1 运行模块组合..................................................................................................................... 6
4.2 运行控制............................................................................................................................. 6
4.3 运行时间............................................................................................................................. 6
5 系统数据结构设计........................................................................................................................ 6
5.1 逻辑结构设计要点............................................................................................................. 6
5.2 物理结构设计要点............................................................................................................. 7
5.3 数据结构与程序的关系..................................................................................................... 8
6 系统出错处理设计........................................................................................................................ 8
6.1 出错信息............................................................................................................................. 8
6.2 补救措施............................................................................................................................. 8
6.3 系统维护设计..................................................................................................................... 8
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