B/S模式在线考试系统性能优化及实现  

Performance Optimization and Implementation of Online Examination System Based on B/S Mode

作　　者：闫中威 孙大嵬[2] 

机构地区：[1]中国科学院大学,北京100049 [2]中国科学院沈阳计算技术研究所,沈阳110168

出　　处：《计算机系统应用》2016年第10期81-85,共5页Computer Systems & Applications

摘　　要：在线考试相比传统考试方式有着很多的优点,例如在线考试的成本更低,在线考试试题的即时更新性,在线考试可以更快给出应试人员的答题情况的统计分析,还可以给不同的应试人员随机出题以防止抄袭等.本文系统的分析了在线考试系统的架构以及如何就系统性能方面进行优化,着重分析了基于Ajax的前端优化,分布式缓存机制等优化手段.Online examination compared to traditional examination methods has many advantages, such as lower cost, the real-time updates of the examination papers, online examination can offer statistical analysis of examination result in time, it also can generate different examination questions to prevent plagiarism. This paper systematically analyzes the architecture of online examination system and how to optimize system performance, such as front-end optimization based on Ajax, distributed caching mechanism and so on.

关 键 词：在线考试 分布式缓存 Ajax局部刷新 高并发 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]