目录
1 引言 .............................................................................................................................................1
1.1 课题的研究背景与意义 ...................................................................................................1
1.1.1 研究背景 .................................................................................................................1
1.1.2 研究意义 .................................................................................................................1
1.2 问题的定义与简介 ...........................................................................................................2
1.3 课题调研 ...........................................................................................................................2
1.4 可行性分析 .......................................................................................................................2
1.4.1 技术可行性 .............................................................................................................3
1.4.2 经济可行性 .............................................................................................................3
1.4.3 操作可行性 .............................................................................................................3
1.4.4 法律可行性 .............................................................................................................4
1.5 论文各章简介 ...................................................................................................................4
2 系统需求分析 .............................................................................................................................5
2.1 业务流分析 .......................................................................................................................5
2.2 数据流分析 .......................................................................................................................5
2.3 数据字典 ...........................................................................................................................7
2.3.1 数据流 .....................................................................................................................7
2.3.2 数据存储 ...............................................................................................................13
2.3.3 处理 .......................................................................................................................15
3 系统设计 ...................................................................................................................................20
3.1 系统总体结构 .................................................................................................................20
3.2 数据结构设计 .................................................................................................................21
3.2.1 数据概念结构设计——E-R 模型........................................................................21
3.2.2 数据逻辑结构设计——关系模型 .......................................................................22
3.2.3 数据表 ...................................................................................................................22
3.3 系统开发与运行环境确定 .............................................................................................27
3.3.1 开发环境 ...............................................................................................................27
3.3.2 运行环境 ...............................................................................................................27
3.3.3 系统实现的若干关键技术 ...................................................................................28
4 用户登陆模块 ...........................................................................................................................30
4.1 用户登入模块简介 .........................................................................................................30
4.2 用户登入模块详细设计 .................................................................................................30
4.2.1 用户登入模块详界面设计 ...................................................................................30
4.2.2 用户登入模块详具体实现 ...................................................................................30
