1 导言.........................................................................................................................................................3
1.1 目的..................................................................................................................................................3
1.2 范围..................................................................................................................................................3
1.3 缩写说明..........................................................................................................................................3
1.4 术语定义..........................................................................................................................................3
1.5 引用标准..........................................................................................................................................4
1.6 参考资料..........................................................................................................................................4
1.7 版本更新信息..................................................................................................................................4
2 系统定义.................................................................................................................................................5
2.1 项目来源及背景..............................................................................................................................5
2.2 项目目标..........................................................................................................................................5
3 应用环境.................................................................................................................................................6
3.1 系统运行的网络环境......................................................................................................................6
3.2 系统运行的硬件环境......................................................................................................................6
3.3 系统运行软件环境..........................................................................................................................7
4 功能规格.................................................................................................................................................7
4.1 系统结构图......................................................................................................................................7
4.2 系统活动图......................................................................................................................................9
5 系统分析...............................................................................................................................................11
5.1 角色定义........................................................................................................................................11
5.1.1
管理员
.....................................................................................................................................11
5.1.2
学生
.........................................................................................................................................11
5.1.3
教师
.........................................................................................................................................11
5.2 管理员子系统................................................................................................................................11
5.3 学生子系统....................................................................................................................................14
5.4 教师子系统....................................................................................................................................17
6 性能需求...............................................................................................................................................20
6.1 界面需求........................................................................................................................................20
6.2 响应时间需求................................................................................................................................21
6.3 可靠性需求....................................................................................................................................21
6.4 开放性需求....................................................................................................................................21
6.5 可扩展性需求................................................................................................................................21
6.6 系统安全性需求............................................................................................................................21
7 产品提交...............................................................................................................................................22
8 实现约束...............................................................................................................................................22