说明：  本系统将有节选的实现用户的那一部分，管理员部分暂时不考虑在内。 用户信息部分：用户注册（用户注册自己的用户名，密码，姓名等信息），用户修改个人信息（用户可以修改注册时候填写的一些信息还有密码等），用户登录/注销系统，用户忘记密码（提示修复密码），顾客留言，用户添加/查看/修改自己购物车（可以查看最近一次的购物车内容，并添加，删除其中的内容），
(The system will have an excerpt from a user realize that part of some administrators do not take into account. Part of user information: User Registration (user register their own user name, password, name and other information), users to modify personal information (user can modify the register to fill some of the information when there is a password, etc.), user logon/logoff the system, the user forget the password (Hint to repair the password), customer messages, the user add/view/edit their own to Cart (you can view the most recent shopping cart contents, and add, delete its contents),)