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代码说明：

说明：  图书馆管理系统主要的目的是实现图书馆的信息化管理。图书馆的主要业务就是新书的借阅和归还，因此系统最核心的功能便是实现图书的借阅和归还。此外，还需要提供图书的信息查询、读者图书借阅情况的查询等功能。项目实施后，能够提高图书馆的图书借阅、归还流程，提高工作效率。整个项目需要在两个月的时间内交付用户使用。(The library management system of the main purpose is to realize the library information management. The main business is a new book borrowing and returned, so the core function of the system is the realization of the books borrowing and returned. In addition, also need to provide books information query, readers books borrowing in query etc. Function. After the implementation of the project, to improve the library s books lending, return the process, improve the work efficiency. The whole project needs to be in the two months of delivery time users. )