Java编写的图书管理系统，实现了用户注册、登录、查阅、借书；管理员对图书进行添加、删除、修改等功能。内含有可执行文件、源代码和说明文档-Java write books management system, realized the user register, login, refer, borrow books The administrator to add, delete, modify etc. Function. Contains executable file, the sou