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学生宿舍管理系统需求

说明书

目录

1.引言································································2

1.1 背景······························································2

1.2 参考资料··························································2

1.3 假定和约束························································

1.4 用户的特点························································

2.功能需求·····························································2

2.1 系统范围··························································2

2.2 系统体系结构······················································2

2.3 系统总体流程······················································2

3.需求规定····························································2

3.1 软件功能的规定····················································2

3.1.1 系统功能·······················································2

3.1.2 数据流图·······················································3

3.1.3 数据字典·······················································5

3.1.4 E-R图·························································7

3.2 对性能的规定······················································7

3.2.1 精度···························································7

3.2.2 时间特性要求···················································7

3.2.3 可靠性·························································7

3.2.4 灵活性·························································7

3.2.5 数据管理能力要求···············································8

3.2.6 故障处理要求···················································8

3. 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 快递表

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4.数据存储

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组成



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[文章尾部最后300字内容到此结束,中间部分内容请查看底下的图片预览]

以上为《完整学生宿舍管理系统需求分析说明书》的无排版文字预览，完整格式请下载

下载前请仔细阅读上面文字预览以及下方图片预览。图片预览是什么样的，下载的文档就是什么样的。