能够实现用户和管理员登陆的图书馆管理系统 用户可以借书、还书、基于评价，管理员可以管理用户信息和图书信息。-it is a micro-system to manage library.It allows users to borrow and return books.Users can also uate the books they have read.Managers can login the system to manager the information of users