贪吃蛇
需求规格说明书
开发小组成员：
目录
一．引言-----------------------------------------------------------------------------------------------3
1.1编写目的-----------------------------------------------------------------------------------3
1.2编写原则-----------------------------------------------------------------------------------3
1.3参考资料-----------------------------------------------------------------------------------3
1.4适用范围-----------------------------------------------------------------------------------3二．系统概述----------------------------------------------------------------------------------------3
2.1业务背景-----------------------------------------------------------------------------------3
2.2用户类别与特征-------------------------------------------------------------------------3
2.3用户文档-----------------------------------------------------------------------------------4
2.4设计和实现上的限制-------------------------------------------------------------------4
2.5运行环境-----------------------------------------------------------------------------------4三．功能需求----------------------------------------------------------------------------------------4
3.1系统用例图--------------------------------------------------------------------------------4
3.2项目名称-----------------------------------------------------------------------------------4
3.2.1功能描述----------------------------------------------------------------------------4
3.2.1.1进入游戏-------------------------------------------------------------------4
3.2.1.2玩游戏----------------------------------------------------------------------5
3.2.1.3游戏的退出---------------------------------------------------------------5四．非功能需求-------------------------------------------------------------------------------------6
4.1系统质量要求-----------------------------------------------------------------------------6
4.1.1性能-----------------------------------------------------------------------------------6
4.1.2可靠性-------------------------------------------------------------------------------6
4.1.3可维护性----------------------------------------------------------------------------6
4.1.4可用性-------------------------------------------------------------------------------7
4.1.5可移植性----------------------------------------------------------------------------7
4.1.6可测试性----------------------------------------------------------------------------7
4.1.7易用性-------------------------------------------------------------------------------7
4.2安全性需求--------------------------------------------------------------------------------7
4.3环境需求-----------------------------------------------------------------------------------7
4.4保密性和私密性的需求---------------------------------------------------------------7
4.5其他需求----------------------------------------------------------------------------------7五．外部接口需求---------------------------------------------------------------------------------8
5.1用户界面----------------------------------------------------------------------------------8
5.1.1界面布局---------------------------------------------------------------------------8
5.1.2界面风格---------------------------------------------------------------------------8
5.1.3界面规范---------------------------------------------------------------------------8
5.2硬件接口----------------------------------------------------------------------------------9
5.3软件接口----------------------------------------------------------------------------------9
