目标设计

系统的用户登录以及身份验证要求

·系统用户注册

·验证用户的注册信息

·系统用户进入系统时的身份验证

·系统用户在不同的叶面浏览时候的身份验证

在线购物系统要求

·允许用户浏览所有商品信息

·允许用户按关键字查找

·允许用户购买自己喜欢的商品

·允许用户对购物车进行管理

·系统实现订单的处理

·系统完成整个购物流程-goal Design System user login and authentication systems require users to register users verify the registration information system users access to the system when the user authentication system in different foliage View when the identity verification requirements online shopping system allows users to browse all the merchandise information allows users to search by keyword allow consumers to buy their favorite products allows users to Cart management system for processing orders for the system to complete the entire shopping process