西华大学毕业设计说明书毕业论文题目:在线考试系统学院:数学与计算机学院年级专业:2010级软件工程姓名:学号:312010080611523指导教师:完成时间:年月日西华大学毕业设计说明书I摘要随着互联网的快速发展以及网络的大面积普及,学生的群体数量和层次不断扩大,怎样利用现代的教育观念和发达的网络技术,来进行一些在线的测试已成为现在人们需要迫切解决的一个问题,在线考试系统作为一个顺应时代的产物是必然的也是必不可少的,教育测试是教育过程中的一个不可少的环节,它是对学生能力情况,兴趣爱好,学习能力的一个检测,当这样的测验与现代网络结合在一起将会得到更佳的效果。在线考试系统可以降低对纸质试卷的要求,在节约资源的同时,把学科、试题、电脑改卷、成绩查询的部分管理工作集成到一个统一的平台,各管理人员分工协作、相互配合,及时了解学生学习生活情况,极大的提高了考试的机动性和和老师的工作效率,该系统使用方便,减低了教学成本和地域限制,也可以方便老师针对学生个体不同情况进行分层次指导。本系统是基于B/S模式下的在线考试系统,利用管理员管理教师与学生信息的方式,充分利用数据库的交互来运行系统,其中学生考试的时间控制及自动判卷是本系统的重难点,学生通过身份验证进入系统,选择所要考试的科目在规定的时间内提交试卷并由电脑自动判定成绩,完成考试后能安全退出至登录界面。而系统中的管理员及教师能根据情况更新习题库且查阅学生考试结果。【关键词】B/S模式数据库在线考试时间控制西华大学毕业设计说明书IIAbstractWithalargeareaoftherapiddevelopmentoftheInternetandthepopularizationofthenetwork,populationandthelevelofstudentscontinuetoexpand,howtomakeuseofthemoderneducationideaandadvancednetworktechnology,tosomeoftheonlinetestinghasbecomenowpeopleneedaproblemurgentlysolved,onlineexaminationsystemasaproductofthetimesistheinevitableitisalsoessential,educationaltestingisanindispensablelinkintheeducationprocess,itistheinterestofthestudents'ability,learningability,adetection,whensuchatestandmodernnetworkwithbettereffecttogetherwill.Onlineexaminationsystemcanreducethetestpaper,insavingresourcesatthesametime,thesubject,computertest,volumechange,partofthemanagementworkofqueryresultsareintegratedintoaunifiedplatform,themanagementpersonnelofdivisionoflaborandcooperation,mutualcooperation,timelyunderstandingofthestudents'learninglife,greatlyimprovingtheexaminationofmobilityandtheteacher'sworkingefficiency,thissystemiseasytouse,toreducetheteachingcostandgeographicalconstraints,canalsobeconvenientforstudents'individualteachersarehierarchicalguidance.ThissystemistheonlineexamsystembasedonB/Smode,theadministratormanagementofteachers'andstudents'information,makefulluseofdatabaseinteractiontorunsystem,includingtimecontrolexaminationandautomaticgradingisadifficultprobleminthissystem,thestudentsthroughtheauthenticationintothesystem,selectthetestsubjectsintheprovisionoftimetosubmitpapersandautomaticdeterminationresultsbycomputer,completetheexaminationtotheexitandentryinterface.Andadministratorsandteachersinthesystemcanupdateexercisesandaccesstostudenttestresults.【KeyWords】B/S-modeldatabaseonline-examinationtime-control西华大学毕业设计说明书前言................................................................................................................................11在线考试系统介绍....................................................................................................21.1设计思路.........................................................................................................21.2设计步骤.........................................................................................................21.2.1页面的整体布局....................................................................................21.2.2建立数据库............................................................................................21.2.3建立登录界面........................................................................................21.2.4管理员后台管理模块的编码................................................................31.2.5教师后台管理模块的编码....................................................................31.2.6学生考试模块的编码............................................................................32在线考试系统概要设计............................................................................................32.1在线考试系统工作原理.................................................................................32.2在线考试系统各模块设计.............................................................................42.2.1登录模块................................................................................................42.2.2管理员后台管理模块............................................................................42.2.3教师后台管理模块................................................................................42.2.4学生考试模块........................................................................................43系统总体结构设计....................................................................................................53.1在线考试系统总体结构设计.........................................................................53.2管理员模块结构设计.....................................................................................53.3教师模块结构设计.........................................................................................63.4学生模块结构设计.........................................................................................74在线考试详细设计....................................................................................................84.1数据库设计.....................................................................................................84.1.1数据库表................................................................................................84.1.2数据库部分实体E-R图.....................................................................114.2登录模块设计..............................................................................................