采用java三层构架技术开发的U/T  网络物流系统实现了对商品库存信息，供应商信息，商品信息，入库商品信息，出库商品信息的便捷管理。-Three-tier architecture using java technology development U/T Network logistics system realizes the merchandise inventory information, vendor information, product information, information storage products, commodity information from the convenience of management.