图书信息录入功能(图书信息用文件保存)

 图书信息浏览功能

 查询和排序功能，按书名查询和按作者名查询或价格等查询

 图书信息的删除与修改

 统计功能

-Book information input function (book information using file) 　　browsing book information query and sort functions, according to the title query and query by author name or price inquiry, such as the deletion of information 　Books 　statistical functions and modified