1.引言..................................................................................................................................................4
1.1 编写目的...............................................................................................................................4
1.2 项目背景...............................................................................................................................4
1.3 定义.......................................................................................................................................4
1.4 参考资料...............................................................................................................................6
2.任务概述..........................................................................................................................................6
2.1 目标.......................................................................................................................................6
2.2 运行环境...............................................................................................................................6
2.3 条件与限制...........................................................................................................................6
2.4 用户特征...............................................................................................................................6
3.数据描述..........................................................................................................................................7
3.1 静态数据...............................................................................................................................7
3.2 动态数据...............................................................................................................................7
3.3 数据库介绍...........................................................................................................................7
3.4 数据字典...............................................................................................................................8
3.4.1 数据项........................................................................................................................8
3.4.2 数据结构..................................................................................................................10
3.4.3 数据流......................................................................................................................11
3.4.4 数据存储..................................................................................................................13
3.4.5 处理过程..................................................................................................................13
3.5 数据采集.............................................................................................................................14
4.功能分析........................................................................................................................................14
4.1 功能划分.............................................................................................................................14
4.2 功能描述.............................................................................................................................15
4.2.1 数据总图..................................................................................................................15
4.2.2 选号到车主数据流图..............................................................................................15
4.2.3 车主数据流图..........................................................................................................16
4.2.4 自助选号流程图......................................................................................................17
4.2.5 管理员数据流图......................................................................................................18
4.2.6 管理员账户操作数据了流图..................................................................................19
4.2.7 管理员系统管理数据流图......................................................................................19
5.性能需求........................................................................................................................................20
5.1 数据精确度.........................................................................................................................20
5.2 时间特性.............................................................................................................................20
5.3 适应性.................................................................................................................................20
6.运行需求........................................................................................................................................21
6.1 用户界面.............................................................................................................................21
6.2 硬件接口.............................................................................................................................21
6.3 软件接口.............................................................................................................................21
6.4 故障处理.............................................................................................................................21
7.其他需求........................................................................................................................................22
8.系统软件属性需求........................................................................................................................22
8.1 软件的正确性.....................................................................................................................22
8.2 软件的可靠性.....................................................................................................................22