目录1.引言........................................................................................................................................21.1目的..............................................................................................................................21.2定义..............................................................................................................................21.3参考资料......................................................................................................................32.软件总体概述..........................................................................................................................32.1软件标识......................................................................................................................32.2软件描述......................................................................................................................32.2.1系统属性..........................................................................................................32.2.2开发背景..........................................................................................................32.2.3软件功能..........................................................................................................42.3用户的特点..................................................................................................................73.具体需求..................................................................................................................................73.1功能需求......................................................................................................................73.2性能需求......................................................................................................................93.3数据库需求................................................................................................................103.4设计约束....................................................................................................................103.4.1技术约束........................................................................................................103.4.2硬件约束........................................................................................................113.5属性............................................................................................................................113.5.1可用性............................................................................................................113.5.2可靠性............................................................................................................113.5.3效率................................................................................................................113.5.4安全性............................................................................................................113.5.5可维护性........................................................................................................124.数据字典................................................................................................................................121.引言1.1目的微信公共平台是目前国内最大用户群的移动互联网应用——微信。它的相关用户体验已经非常的完善,用户的自由度非常的高,随...