目录1简介...............................................................................................................................................21.1目的.....................................................21.2范围.....................................................21.3定义、首字母缩写词和缩略语..................................31.4参考资料....................................................31.5概述........................................................32整体说明........................................................................................................................................32.1系统简介及特点..............................................32.1.1系统简介.................................................................................................................32.1.2系统特点.................................................................................................................33详细需求.......................................................................................................................................43.1系统功能模块................................................43.2系统的拓朴结构..............................................43.3系统的用例情况..............................................53.4系统的活动视图..............................................63.5系统各模块的活动图..........................................74性能需求.......................................................................................................................................94.1界面需求....................................................94.2响应时间需求................................................94.3可靠性需求..................................................94.4开放性需求..................................................94.5可扩展性需求................................................94.6系统安全性需求.............................................105产品提交.....................................................................................................................................101/101简介1.1目的