网上学习系统设计与实现

本科生毕业设计(论文)正文目录1引言..............................................................21.1研究背景.....................................................21.2研究目的.....................................................21.3实现手段与目标...............................................21.3.1实现手段...............................................21.3.2实现目标...............................................32开发环境..........................................................32.1开发平台.....................................................32.1.1软件环境...............................................32.1.2硬件环境...............................................32.2ASP技术.....................................................42.2.1ASP简介................................................42.2.2ASP语法成分............................................42.2.3ASP脚本处理方法........................................42.2.4ASP特点................................................52.2.5SQL语言................................................52.3数据库.......................................................62.3.1Access2000数据库.....................................62.3.2ASP访问数据库技术......................................63需求分析..........................................................73.1功能需求分析.................................................73.2性能需求分析.................................................84数据库设计........................................................84.1概念设计....................................................84.2E-R图........................................................84.3数据表.......................................................94.3.1用户管理表.............................................94.3.2信息表.................................................94.3.3专业表.................................................94.3.4班级表.................................................94.3.5资源表................................................104.3.6答疑表................................................104.3.7课程信息表............................................115总体设计.........................................................125.1功能结构图.................................................126详细设计........................................................146.1登录界面设计................................................146.2课程介绍设计................................................176.3在线答疑设计................................................186.4资源下载设计................................................196.5新闻发布设计................................................196.6用户管理设计................................................216.7分页显示代码设计............................................227网站的维护.......................................................248测试.............................................................248.1测试目的....................................................248.2软件测试内容................................................248.3测试时间....................................................258.4测试结果....................................................25总结..............................................................26参考文献.........................................................27网上学习系统设计与实现1网上学习系统设计与实现摘要：目前多数学校的作业管理都还停留在比较原始的手工阶段，作业批改信息主要依靠师生间口头传达，作业管理效率较低，容易出错等。因此，建立一个高效完善的作业管理系统来解决这些问题十分必要。本文以实际运用为开发背景，运用软件工程原理和开发方法，采用ASP技术构建一个基于B/S模式的作业发布和管理系统的过程，以期改变过去传统的学生递交作业，老师批改作业的方式，让学生递交作业更加灵活，同时减轻老师繁重的工作量。系统采用模块化思想应用DREAMWEAVER来开发完成。整个开发过程首先对系统进行需求分析，得出系统主要功能，数据流图及数据字典。接着对系统进行总体设计和详细设计。总体设计主要包括系统功能设计，系统总体结构设计，系统数据结构设计和系统安全设计等；详细设计主要包括系统数据库访问的实现，主要功能模块的具体实现，模块实现关键代码等。最后对系统进行了功能测试，并对测试结果进行了分析总结，得出系统的不足及需要改进的地方，为以后的系统维护提供了方便，同时也为今后开发类似系统提供了借鉴和帮助。本系统的开发使学生和老师的沟通更加方便快捷，同时也促使学校的作业管理变的更加系统化、有序化。系统界面较友好，易于操作。关键词：Dreamweaver；B/S模式；ASP；学习系统；ACCESSOnlinelearningsystemdesignandimplementationAbstract:Atpresentworkmanagementofallmostschoolsstayintheprimitiveandmanualperiod.Workcorrectingtheinformationmainlybystudentsandteachersbetweentheverbal.Homeworkmanagementefficiencyislower,easytomakemistakesandsoon.Therefore,establishinganefficientworktoimprovethemanagementsystemtotackletheseproblemsisnecessary.Tousethissettingfordevelopment，useofsoftwareengineeringprinciplesandmethods，TheASPtechniquestobuildamodebisbasedontheworkofdisseminationandmanagementsystemoftheprocess，tochangethetraditionalstudentssubmittedassignments,thewayofcorrectingtheexercises.forstudentssubmittinghishomeworkmoreflexible,atthemeantimealleviatetheheavyworkload.TheideologicalsystemisappliedtodevelopmentthroughDREAMWEAVER.Theentiredevelopmentprocess,systemsanalysisrequirements，comingtothesystemthemainfunction,dataflowdiagramanddatadictionary.Thenofsystemsandgeneraldesignanddetaileddesign,Generaldesignincludingthesystemfunctions,overallsystemdesign,Systemdatastructureandsystemssecuritydesignandsoon..Detaileddesignincludingthesystemoftherealizationofthedatabaseaccess,therealizationofthemajorfunctionalmodules,achievingkeymoduleofcodeandsoon..Intheendthesystemofthefunctionaltesting,andmadeananalyticalsummaryoftestresults，toinadequateandneedtoimprovethesystem.forsystemmaintenanceprovidedaconvenient,alsoforfuturedevelopmentofasimilars