在线考试系统的设计与实现论文

1中文题目：《数据库原理》课程在线考试系统的设计与实现外文题目：THEDESIGNANDIMPLEMENTATIONOFTHEONLINEEXAMINATIONSYSTEMFORTHECOURSEOFDATABASEPRINCIPLE毕业设计（论文）共72页（其中：外文文献及译文15页）完成日期年月答辩日期年月2摘要如今，计算机网络技术日益成熟和校园网的普及,为在线考试提供了良好基础。利用计算机以及网络技术实现考试的信息化,具有传统考试不可比的优点。因此开发适应信息时代的在线考试系统是有必要的。面对目前形势,设计出基于B/S结构在线考试系统。此在线考试系统分别采用Windows7、MySQL作为服务器端操作系统、后台数据库开发工具；系统体系结构采用B/S结构；MYECLIPSE为B/S模块应用程序开发工具。实现教师出卷、学生考试、教师组卷、教师阅卷、分配教师阅卷等功能。在设计中，使用目前流行的Ajax技术,提高客户机和服务器间数据交换效率以及灵活性。在本系统的开发中，还使用了例如XML、JavaScript等技术。本系统基于Internet/Intranet,将考试工作自动化和信息化结合为一体,来达到系统设计的基本目标和满足校内外，对考试信息共享、利用的要求。关键词：在线考试；MySQL；jsp3ABSTRACTNowadays,thepopularizationofcomputernetworktechnologyisincreasinglymatureandcampusnetwork,provideagoodfoundationforonlineexam.Usingthecomputerandnetworktechnologytorealizethetestinformation,possessestheadvantagesoftraditionalexamthannot.Sotodeveloptheonlineexaminationsystemoftheinformationageisnecessary.Inthefaceofthecurrentsituation,designtheonlineexaminationsystembasedonB/Sstructure.TheonlineexaminationsystemwithWindows7,MySQLastheserveroperatingsystem,backgrounddatabasedevelopmenttools;ThesystemarchitectureadoptsB/Sstructure;MYECLIPSEapplicationdevelopmenttoolsforB/Smodule.Toachievevolume,exam,teachergroupvolume,teachersmarking,distribution,marking,etc.Inthedesign,theuseofcurrentlypopularAjaxtechnology,improvetheefficiencyofdataexchangebetweentheclientandtheserver,andflexibility.Inthedevelopmentofthissystem,andUSESthetechnologyofsuchasXML,JavaScript,etc.ThissystembasedonInternet/Intranet,combineexaminationforautomationandinformationtechnologyasawhole,toachievethebasicpurposeofsystemdesignandmeetface-to-face,ontherequirementofinformationsharingandutilizationofexam.Keywords：Theonlinetest；MYSQL；jsp4目录前言........................................................................71项目概述.................................................................81.1研究背景...............................................................81.2研究现状...............................................................81.3系统结构及研究内容和功能描述............................................81.4业务流程描述...........................................................101.5本系统存在的问题和薄弱环节分析........................................132可行性分析..............................................................142.1技术可行性............................................................142.2操作可行性............................................................142.3经济可行性............................................................143需求分析................................................................153.1总体目标..............................................................153.2具体目标..............................................................153.3系统功能建模..........................................................153.3.1系统数据流程图......................................................153.3.2数据字典............................................................193.4系统数据模型..........................................................214概要设计................................................................244.1体系结构设计..........................................................244.2.1外部接口............................................................244.2.2内部接口............................................................254.3代码设计..............................................................254.3.1代码设计原则........................................................254.4数据库设计............................................................264.4.1数据库设计原则......................................................264.4.2关系模式设计........................................................274.4.3数据字典............................................................27554.4输入输出设计..........................................................294.4.1输入设计............................................................294.4.2输出设计............................................................304.5运行设计..............................................................314.5.1运行环境............................................................314.5.2运行模块的组合......................................................314.5.3运行控制............................................................314.5.4运行时间............................................................314.6出错处理设计..........................................................314.6.1出错输出信息........................................................314.6.2出错处理对策........................................................324.7安全保密设计..........................................................324.7.1数据安全性..........................................................324.7.2登录管理员的安全性..................................................324.8维护设计..............................................................325详细设计................................................................335.1老师登录模块定义......................................................335.1.1模块定义............................................................335.1.2输入项..............................................................335.1.3限制条件.............................