目 录
Abstract ........................................................................................................................................................................IV
第 1 章 概述...........................................................................................................................................................................1
1.1 课题背景 ................................................................................................................................................................1
1.2 课题意义 ................................................................................................................................................................1
1.3 文献综述 ................................................................................................................................................................2
1.3.1 技术综述...................................................................................................................................................2
1.4 总体设计原则........................................................................................................................................................2
第 2 章 系统分析...................................................................................................................................................................4
2.1 系统的需求分析 ...................................................................................................................................................4
2.2 业务流程分析........................................................................................................................................................5
2.2.1 系统管理员业务流程分析.....................................................................................................................5
2.3 数据流程分析........................................................................................................................................................7
2.3.1 图书类别管理模块..................................................................................................................................7
2.3.2 图书管理模块...........................................................................................................................................7
2.3.3 读者管理模块...........................................................................................................................................8
2.3.4 图书借阅模块...........................................................................................................................................8
2.3.5 修改密码模块...........................................................................................................................................9
2.4 数据字典 ................................................................................................................................................................9
2.4.1 数据项的描述...........................................................................................................................................9
2.4.2 数据流的描述.........................................................................................................................................11
第 3 章 系统设计 ................................................................................................................................................................12
3.1 系统体系结构设计.............................................................................................................................................12
3.2 系统子模块功能介绍.........................................................................................................................................12
3.3 数据库设计..........................................................................................................................................................13
3.3.1 数据库概念设计——E-R 模型...........................................................................................................13
3.3.2 数据库逻辑设计——关系模型..........................................................................................................14
3.3.3 数据库选型.............................................................................................................................................14
3.3.4 数据库表结构设计................................................................................................................................14
