基于三层模型的在线考试平台的设计

Design of the Online Exam Platform Based on a 3-tiers Model

在互联网技术飞速发展的时代,为了考试提高效率,在传统考试的基础上扩展在线考试是教学改革过程的重要一步。本文以电子商务专业课程为例,分析设计了在线考试系统的整体架构。在此基础上,对在线考试系统的系统功能、系统用例、系统数据流、数据库以及系统的部署进行了详细的分析。系统开发使用Java语言,采用了J2EE架构中的多层模型(MVC),具有很强的可靠性、可用性、可扩展性、可维护性,可移植性。

With the rapid development of Internet technology, in order to improved the test efficiency, on the basis of the traditional test extension online examination is an important step in the process of teaching reform. Based on the electronic business specialized courses, analysis and design the overall architecture of the online examination system. On this basis, the online examination system function, system use case, data flow, database and system deployment are analyzed in detail. System development using the Java, uses the multi-tier model （MVC） of the J2EE architecture, which possesses the strong reliability, availability, scalability, maintainability, and portability.