该图书管理系统，利用c#编程，实现图书档案管理、图书类别设置、图书借阅、图书归还、图书罚款以及读者信息管理等功能，通过它可以掌握好良好的编程思想，这才是最终的目的。-The library management system, using c# programming, to achieve records management books, books category set, books to borrow, books to return, fine books, as well as