用户注册/登录：匿名会员只能在系统中查看商品信息，不能进行商品的订购。匿名会员通过注册的方式，输入相关基本信息成为系统的注册会员，注册会员登录系统后进行商品的查看和购物操作。-user registration/login : anonymous member of the system can only see the value of information, not for the purchase of commodities. Member registration anonymous