电子商务系统主要分为前台和后台。前台包括产品的展示及会员购物等模块，后台是管理界面，主要包括商品信息、会员信息、订单信息和公告信息的常规设置-E-commerce system is mainly divided into front and back-office. The product' s prospects and members to display modules, the background is the management interface, including p