图书管理系统 大一时写的小系统 用java写的代码 包括以下功能：

图书查询：查询在库全部图书,或进行关键字匹配查询。读者查询：查询在库全部读者,或进行关键字匹配查询。图书借阅：学生通过管理员操作此模块来完成借阅图书；图书归还：学生通过管理员操作此模块来完成归还图书；图书管理：管理员通过此模块来增加更新删除图书信息；读者管理：管理员通过此模块来增加更新删除读者信息；综合查询：查询在库图书，读者，图书借阅情况的信息密码修改： 管理员通过此模块来修改密码信息；备份恢复： 管理员通过此模块来备份和恢复数据库资料。

-Library management system written in freshman small systems written using java code includes the following features: Book Search: Query in the library all the books, or keywords that match the query. Reader query: Query the library all the readers, or for keywords that match the query. Book Borrowing: Students through the administrator to complete the operation of this module to borrow books　books returned: Students operate the module through the administrator to complete the return of books　Book Management: an administrator through this module to increase the update remove the book information　readers management: the administrator through this module to increase the update remove the reader information　Integrated Query: Query the library books, readers, books, information on the status borrow password change: Administrators through this module to modify the password information　backup and recovery: the administrator through this module to backup and recovery database information.