图书管理基本业务活动包括，对一本书的采编入库、清楚库存、借阅和归还等等。试设计一个图书管理系统，将上述业务活动借助于计算机系统完成。-Basic business activities, including library management, editing a book on storage, clear stock, borrow and return more. Try to design a library management system, by means of the abo