一个简单的商品发售和管理系统，可以作到商品的售出和后台的商品管理-A simple sale of goods and management systems, can be done to sell goods and merchandise management background

仓库管理,包含档案录入,销售录入,销售查询,供应商录入,商品档案录入等功能-Warehouse management, including file entry, sales, sales inquiries, supplier input, commodity file entry and other functions