一个网上书店，包括管理员和普通用户两个权限。普通用户可以购买书籍。管理员可以查看普通用户信息，增加书籍，并发货。压缩包包含源码和SQL执行语句，mysql数据库-An online bookstore, including two administrators and ordinary users permissions. Ordinary users can buy books. Administrators can view general user information, to increase books, and delivery. Archive contains the source code and SQL statement is executed, mysql database