说明：  图书借阅管理系统 已知技术参数和设计要求： 主要分为两大功能： 图书管理(增加图书、查询图书、删除图书、图书借阅、还书)； 会员管理(增加会员、查询会员、删除会员、借书信息)； 要求完成的主要任务: 设计一个图书借阅管理程序，实现图书管理和会员管理。图书管理包括增加图书、查询图书、删除图书、图书借阅和还书，会员管理包括增加会员、查询会员、删除会员以及借书信息。
(Book Lending Management System known technical parameters and design requirements: mainly divided into two main functions: library management (an increase of books, inquiries, books, delete books, borrow books, books) Member Management (increased membership inquiries, membership, delete members, library information) required to complete the main task: to design a book loan management procedures, to achieve management and members of management books. Library management include increasing books, inquiries books, delete books, books to borrow and return books, membership management, including increased membership inquiries, membership, delete members, as well as library information.)