图书管理系统，采用Visual Basic编写，能实现对图书书籍的管理，对其进行添加、删除、修改。并能进行借书日期的管理，当超过一定的时间后就会对读者进行罚款-Library management system using Visual Basic development, to achieve the management of the library books, their add, delete, modify. And to date the management of library