【作者】 任海涛；

【导师】 蒲戈光；

【作者基本信息】 华东师范大学 ， 软件工程， 2008， 硕士

【摘要】 随着互联网的迅速发展,基于互联网的各种应用日益受到人们重视,基于Web的在线考试系统在这种形势下应运而生,它是伴随着网络技术和数据库技术而逐渐发展起来的。它可以利用网络,随时随地为学生提供考试,是传统考场的延伸;另外,借助它可以有效利用校园网的资源,更好地为学校的教学管理服务。论文介绍了在线考试系统的相关理论及技术背景,针对系统的功能特点,使用了ASP.NET技术,采用了面向对象的开发方法和流行的三层体系结构;并对该系统的开发环境进行了介绍。网上考试系统的基础是一份合理科学的试卷,而试卷的产生是由组卷算法决定的,本文对组卷算法进行了研究设计。通过对已有组卷算法及遗传算法的分析,设计了一种基于改进的遗传算法的组卷方法。本文同时也详细介绍了网上考试系统的设计与实现,主要包括数据库设计、主要功能模块的设计与实现等。网上考试系统对安全性也有较高的要求,论文的最后对网上考试系统的安全要求进行了分析,并设计出一种能较好保证系统安全性的方案。本文设计的网上考试系统具有通用性、良好的可扩展性和安全性、能满足较复杂的组卷要求等优点,并且有助于学校开展教学改革、推行教考分离。更多还原

【Abstract】 With the rapid development of Internet, more and more web-based (or Internet-based) applications came into being in recent years. The Online Testing System (OTS) come into being in this condition. The Online Testing System, as a result of the combination of computer network technology and database technology, is an expansion of conventional exam room. It can realize automation examinations on many courses, using the resources of campus network.The article presented on-line examination system theory and technical background for the function of the system characterized by the use of the ASP.NET technology, the use of object-oriented methods and the development of the popular three-tier architecture; and the development of the system environment Introduced.Reasonable and scientific are the basis of the Online Testing System, the algorithm of generating test paper decides the quality of the test paper, for this article the algorithm of generating test paper is designed. Through the analysis of exist algorithm of generating test paper and genetic algorithms, a generating test paper algorithms based on improved genetic algorithm is designed. This article also detailed the design and implementation of the Online Testing System are introduced, including the design of database, the design and implementation of the main functional models, etc.The Online Testing System also has higher request to the security, the last chapter of the thesis carries on the analysis to the security, and design a kind of project that can ensure security of the system.This Online Testing System have many advantages of generality, good scalability and security. It also can satisfy the requirements of the complex restrictive condition of generating the test paper. The system will contribute the school to hold the separation of teaching and examination in the examination reform.更多还原