实现图书和月刊的借阅管理.功能包括图书和月刊信息的添加,图书和月刊信息的删除,图书和月刊信息的浏览, 图书和月刊的借阅等功能. -Books and Readers Digest of management. Features include copy books and add information, books and copy information deleted, books and monthly information browsing, books and the R