电子商务系统 采用ecilpse和mysql编写，实现了客户端登陆和管理员登陆，具备基本的功能， 客户端：查看商品，加入购物车，查看购物车，下订单，查看订单等-E-commerce the system using ecilpse and mysql prepared to achieve the client login and administrator landing, with basic functionality, client: View, Add to Cart, Vie