【摘要】 随着网络教育及在线课程的迅速发展,在线考试系统成为一项不可或缺的学习支持系统。在在线考试系统开发的基础上,阐述了题库的主要功能实现,数据库的设计,以及题库自动抽取技术的实现。其中着重分析了考试设置的技术实现及抽题过程,并深入探讨了采用编程语言提供的随机函数实现随机抽题的过程。更多还原

【Abstract】 With the rapid development of network curriculum,on-line examination system becomes an indispensable support program.On the basis of practice,the author elaborates it’s main functions and the database designing,as well as the realization of automatically extracting technology.In the part of automatically extracting technology,the author establishes the process of setting technology and extracting process.Moreover,the extracting process with randomly function is discussed.更多还原