网络聊天系统设计与实现-袁波

I网络聊天系统设计与实现(袁波)（西南科技大学网络学院计算机信息管理计算机信息管理2014年春季）指导老师：刘军完成时间：2016-01-01摘要：21世纪是网络的时代，Internet的普及己经影响了传统的交流方式。网络聊天室系统是计算机网络发展的产物，是最为常见、最受广大互联网使用者所认可的基于Web的网络应用系统。网络聊天室系统有着十分广泛的应用空间，它对互联网的发展起着十分重要的推动作用，给人们的通信方式带来了革命性的变革。聊天室作为一种虚拟社会中的信息交流场所，它的用途非常广泛，几乎应用于人们工作生活中的各个方面，例如：信息交流、文件传送、资源共享等等。本文论述了完整的网络聊天室系统的设计与实现。本文首先介绍了系统设计的相关背景与目的以及实现本系统所使用的技术。然后进行了系统的总体设计，包括了对系统模块的划分、数据库的设计、系统开发工具的配置以及系统实现所采用的设计模式的分析，并且详细介绍了各个功能模块的用途与关键功能的实现。【关键词】：聊天室JavaScripAppletIIDesignandimplementationofnetworkchatsystem（YuanBo）(Southwestuniversityofscienceandtechnologyinstituteofnetworkcomputerinformationmanagement,Computerinformationmanagement,Inthespringof2014)Theinstructor：LiuJunCompletiondate:2016-01-01Abstract：The21stcenturyisaneraofnetworks;thepenetrationoftheInternethasaffectedthetraditionalmodesofcommunication.TheInternetchatroomsystemistheproductofthecomputernetworkdevelopment;itisaWeb-basedapplicationwhichisthemostcommonandmostacceptedbythemajorityofInternetusers.TheInternetchatroomsystemhasaverywiderangeofapplicationsofspace;itplaysanimportantroleinpromotingthedevelopmentofitsInternet,andhasbroughtrevolutionarychangestothepeople'smeansofcommunication.Asavirtualcommunityofinformationexchangeplaces,theChatroomhasaverywideuse,almostappliedtoeveryareaofpeople’sworkingandlivingsuchas:theexchangeofinformation,filetransfer,thesharingofresourcesandsoon.ThisarticlediscussesthedesignandimplementationofintegrityoftheInternetchatroomsystem.Firstly,thispaperintroducedthebackgroundandpurposeofthesystemdesignandthetechnologythattheIIIpresentsystemused.Thengavetheoveralldesignofthesystem,includingadivisionofthemoduleofthesystem,thedesignofthedatabase,theconfigurationofthesystemdevelopmenttools,andthedesignpatternanalysiswhichisusedbytheachievementofthesystem,italsodescribedtheuseofthevariousfunctionalmodulesandtherealizationofthekeyfunctionsindetail.【Keywords】:Chat；JavaScrip；Applet目录摘要...................................................................................................................................................IAbstract............................................................................................................................................II一、绪论...........................................................................................................................................1（一）问题的提出.................................................................................................................1（二）目前网络聊天室的现状.............................................................................................1（三）系统设计目标.............................................................................................................2二、聊天系统的关键技术分析.......................................................................................................2（一）ASP技术的研究........................................................................................................21.ASP的含义.................................................................................................................22.ASP的特点...................................................................................................................3（二）JavaScript脚本语言分析.............................................................................................4（三）IIS组件分析.............................................................................................................41．IIS的安装...............................................................................................................42．IIS的配置...................................................................................................................5（四）Access数据库分析....................................................................................................71.数据库简介................................................................................................................72.Access的特点...............................................................................................................7（五）DreamweaverMX2004.................................................................................................8（六）本章小结.....................................................................................................................9三、需求分析和可行性分析.........................................................................................................10（一）需求分析.....................................................................................................................101.功能分析.....................................................................................................................102.性能要求.....................................................................................................................10（二）可行性分析...............................................................................................................111.技术可行性分析.......................................................................................................112.经济可行性分析..................................