dabase

代码说明：

  商店图书管理：添加，修改，删除，查看。 用户信息管理：查看，修改，删除。 订单信息管理：查看订单清单，更新订单付款，出货状态。删除订单。 (Store the books management: to add, edit, and delete, check. User information management: view, edit, and delete. Order information management: check order list, update the shipment, state order is paid. Delete the order. )