游戏软件信息管理系统.docVIP

摘要......................................................................................................................................2

1绪论......................................................................................................................................3

1.1课题背景......................................................................................................................3

1.2课题意义......................................................................................................................3

1.3课题目的......................................................................................................................4

1.4国内外发展现状及趋势.................................................................................................42可行性分析...........................................................................................................................5

2.1技术可行性分析...........................................................................................................5

2.2操作可行性分析...........................................................................................................53需求分析...............................................................................................................................6

3.1功能需求......................................................................................................................6

3.2数据需求......................................................................................................................6

3.3性能需求......................................................................................................................7

3.4数据流图......................................................................................................................7

3.5数据字典......................................................................................................................8

3.6E-R图.....................................................