本系统是用vb 6.0写的图书管理系统，功能很强大，有4位随机图片验证功能，并能够用代码生成统计图。另外系统界面很华丽！-The system is written in vb 6.0 library management system, very powerful, four random image verification and code generation charts. In addition, the system interface is gorgeous!