文档介绍：信息系统需求说明书
信息系统专业
目录
一、引言
......................................................................3
......................................................................3
......................................................................3
......................................................................3
......................................................................4
二、用户需求
......................................................................4
......................................................................4
三、业务流程
....................................................................5
.......................................................................7
四、系统分析
..............................................................8
..........................................................................16
E-R图........................................................................17
....................................................................18
五、功能
..........................................................................22
......................................................................24
................................................................24
六、 数据调查及分析
......................................................................26
....................................................................32
七、系统运用技术分析
......................................................................33
......................................................................33
..............................................................33
八、系统重要代码