模拟当当网的电子商务系统，包括用户注册登录、商品浏览、详细信息、购物车、订单管理、收货信息等，采用MVC架构，mysql数据库，功能齐全，代码简介易懂。-Analog Dangdang' s e-commerce system, including user registration Login goods browse detailed information, shopping cart, order management, receiving information, the use