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。

代码说明：

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. Prospects, including the display and Member Products shopping module, the background is the management interface, including commodity information, membership information, order information and notice of information in conventional settings.