基于Java的网上商城系统，实现在线销售和在线购物服务，系统采用B/S结构，其功能主要包括商品的管理、会员管理、订单管理、库存管理、优惠管理、在线支付等。-Java-based online store system to achieve online sales and online shopping service, the system uses B/S structure, its functions including product management, membership ma