目录
1 系统规划..........................................................................................................................................4
1.1 系统介绍.......................................................................................................................................4
1.2 可行性分析...................................................................................................................................4
1.2.1 背景............................................................................................................................4
1.2.2 要求............................................................................................................................5
1.2.3 目标............................................................................................................................5
1.2.4 条件、假定和限制....................................................................................................5
1.2.5 技术条件方面的可行性............................................................................................6
1.2.6 经济可行性分析........................................................................................................6
1.2.7 社会因素方面的可行性............................................................................................6
2 系统现状分析..................................................................................................................................7
2.1 现有功能描述...............................................................................................................................7
2.2 系统不足分析...............................................................................................................................8
2.2.1 功能不够完善............................................................................................................9
2.2.2 深度不足....................................................................................................................9
2.2.3 信息共享不足与整体融合不足.............................................................................10
2.2.4 更新扩展需求..........................................................................................................10
2.3 结论.............................................................................................................................................10
3 系统分析........................................................................................................................................11
3.1 需求分析.....................................................................................................................................11
3.1.1 目标..........................................................................................................................11
3.1.2 任务..........................................................................................................................11
3.1.3 处理..........................................................................................................................11
3.2 功能需求.....................................................................................................................................13
3.2.1 功能划分..................................................................................................................13
3.2.2 功能描述..................................................................................................................13
3.3 性能需求.....................................................................................................................................15
3.3.1 数据精确度..............................................................................................................15
3.3.2 时间特性..................................................................................................................15
4 业务建模........................................................................................................................................15
4.1 数据流程图.................................................................................................................................15
4.2 数据字典.....................................................................................................................................18
4.2.1 图书信息库..............................................................................................................18
4.2.2 用户信息库..............................................................................................................18
4.2.3 借还书信息表..........................................................................................................19
4.2.4 超期信息表..............................................................................................................19
5 数据存储与查询分析....................................................................................................................20
5.1 数据存储分析.............................................................................................................................20
5.2 数据查询分析.............................................................................................................................21
6 输入分析........................................................................................................................................21
7 输出分析........................................................................................................................................22