火车票订票系统软件开发计划书Word格式文档下载.docx

火车票订票系统软件开发计划书Word格式文档下载.docx

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孙碧颖

组员:

白玛欧智罗屹效钟旭茂

间:

2010年11月时

1[项目名称]——火车票订票系统

一、可行性研究报告的编写...........................................................................................................4

1.引言......................................................................................................................................4

1.1编写目的....................................................................................................................41.2背景............................................................................................................................4

1.3定义............................................................................................................................4

1.4参考资料....................................................................................................................4

2.可行性研究的前提..............................................................................................................52.1要求............................................................................................................................5

2.1.1功能..................................................................................................................5

2.1.2打印..................................................................................................................5

2.1.3处理流程..........................................................................................................5

2.1.4在安全与保密方面的要求..............................................................................6

2.1.5同本系统相连接的其他系统..........................................................................6

2.1.6完成期限..........................................................................................................62.2目标............................................................................................................................6

2.3条件、假定和限制....................................................................................................62.4进行可行性研究的方法............................................................................................62.5评价尺度....................................................................................................................7

3.所建议的系统......................................................................................................................73.1对所建议系统的说明................................................................................................73.2处理流程和数据流程。

............................................................................................73.3影响............................................................................................................................7

3.3.1.对设备的影响..................................................................................................7

3.3.2.对软件的影响..................................................................................................7

3.3.3.对用户单位机构的影响..................................................................................7

3.3.4.对系统运行过程的影响..................................................................................8

3.3.5.对开发的影响..................................................................................................8

3.3.6.对地点和设施的影响......................................................................................8

3.3.7.对经费开支的影响..........................................................................................83.4技术条件方面的可能性............................................................................................8

4.可选择的其他系统方案......................................................................................................94.1可选择的系统方案1.................................................................................................94.2可选择的系统方案2.................................................................................................9

5.投资及效益分析..................................................................................................................95.1支出............................................................................................................................9

5.1.1基本建设投资.................................................................................................9

5.1.2其他一次性支出.............................................................................................9

5.1.3非一次性支出...............................................................................................105.2收益..........................................................................................................................10

5.2.1一次性收益].................................................................................................10

5.2.2非一次性收益...............................................................................................10

5.2.3不可定量的收益...........................................................................................105.3收益/投资比.............................................................................................................115.4投资回收周期..........................................................................................................11

1

2[项目名称]——火车票订票系统

5.5敏感性分析..............................................................................................................116.社会因素方面的可能性....................................................................................................11

6.1法律方面的可行性...................................................................................................11

6.2使用方面的可行性...................................................................................................117.结论....................................................................................................................................12

二、需求分析.................................................................................................................................12

1（任务概述...........................................................................................................................12

1.1目标...........................................................................................................................12

1.2网络环境下的多用户系统.......................................................................................122（需求规定...........................................................................................................................12

2.1对功能的规定...........................................................................................................12

2.2对性能的规定..........................................................................................................14

2.2.1准确性和及时性............................................................................................14

2.2.2易用性............................................................................................................14

2.2.3安全性............................................................................................................14

2.3输入输出要求...........................................................................................................14

2.4数据字典...................................................................................................................15

2.4.1数据字典.......................................................................................................15

2.4.2数据元素........................................................................................................153.数据流图...........................................................................................................................16

3.10层数据流图............................................................................................................16

3.2一层数据流图..........................................................................................................17

3.3二层数据流图..........................................................................................................174.E-R图..................................................................................................................................18

三、概要设计说明书.....................................................................................................................191（引言...................................................................................................................................19

1.1编写目的...................................................................................................................19

1.2参考资料...................................................................................................................192（总体设计...........................................................................................................................19

2.1需求规定...................................................................................................................19

2.1.1系统功能........................................................................................................19

2.1.2系统性能........................................................................................................20

2.1.2.1精度.....................................................................................................20

2.1.2.2时间特性要求.....................................................................................20

2.1.2.3可靠性.................................................................................................20

2.1.2.4灵活性.................................................................................................20

2.1.3输入输出要求....................................................