——饭卡管理系统开发文档........................................................................................1
前言........................................................................................................................4
1 可行性研究........................................................................................................4
1.1 系统概述.................................................................................................4
1.2 初步的系统分析设计.............................................................................4
1.3 技术可行性分析.....................................................................................7
1.4 经济/效益可行性分析............................................................................7
1.4.1 支出方面.......................................................................................7
1.4.2 收益方面.......................................................................................8
1.5 系统开发计划.........................................................................................8
2 需求分析............................................................................................................8
2.1 总体目标.................................................................................................8
2.2 具体目标.................................................................................................9
2.3 系统数据建模.........................................................................................9
2.4 系统功能建模.........................................................................................9
2.5 数据字典...............................................................................................12
3 总体设计..........................................................................................................15
3.1 系统结构图............................................................................................15
3.2 数据库设计...........................................................................................17
3.2.1 逻辑设计要点.............................................................................18
3.2.2 物理结构设计要点.....................................................................19
3.2.3 触发器设计.................................................................................20
3.3 系统模块 IPO 图 ..................................................................................21
3.3.1 验证用户登录功能模块.............................................................21
3.3.2 用户注册功能管理模块............................................................22
3.3.3 查询用户详细信息功能模块....................................................23
3.3.4 用户挂失功能模块....................................................................24
3.3.5 用户消费功能模块....................................................................25
3.3.6 用户查询消费历史功能模块....................................................27
3.3.7 新建持卡者功能模块................................................................28
3.3.8 存款功能模块............................................................................29
