设计一个图书管理信息系统，使之能提供以下功能：

界面：系统以菜单方式工作

输入：图书信息录入功能(图书信息用文件保存)

输出：图书信息浏览功能

算法：查询和排序功能

处理：图书的增、删、改、查、借、还

-Design a library management information system so that it can provide the following functions: Interface: Menu system work the way input: Book information input function (book information with the file saved) Output: Book information browsing algorithms: query processing and sorting capabilities: Book add, delete, change, check, borrow, but also