课设报告终极版

代码说明：

说明：  用c语言设计和实现图书管理系统，对图书进行管理。图书信息包括：图书编号(不允许重复)、图书名称、作者、出版单位、价格、数量等。 基本要求： (1) 系统以菜单方式工作； (2) 图书信息录入功能(图书信息用文件保存) ； (3) 图书信息浏览功能； (4) 查询和排序功能：如按书名、按出版社、按作者名等； (5) 增加 (追加一批新的图书) /删除图书； (6) 进出货管理： 1)图书进货：输入数据后图书数量能自动更新进行添加； 2)图书销售：输入数据后图书数量能自动更新进行减少(The library management system is designed and implemented in C language, and the books are managed. Book information includes: book number (not allowed to repeat), book name, author, publishing unit, price, quantity and so on. Basic requirements: (1) The system works in menu mode; (2) Book information input function (book information is saved with documents); (3) Browsing function of book information; (4) Query and sorting functions: by book title, by publishing house, by author name, etc. (5) Add (add a new batch of books) or delete books; (6) Management of incoming and outgoing goods: 1) Books purchase: After inputting data, the number of books can be automatically updated and added; 2) Book sales: the number of books can be automatically updated and reduced after data input)