现在家庭藏书越来越多，为了有效的管理和使用，写了这个程序，因为本人家里图书很多，有朋友借书自己不一定记得，这个软件帮你管理，利用oo设计。-books now more and more families, for effective management and use of this procedure was made, because a lot of my books home, a friend of the library itself is not necessarily rem