文档介绍：基于B/S方式的即时通讯软件的设计与实现
摘要
即时通讯(Instant Messaging)上最为流行的通讯方式,而各种各样的即时通讯软件也层出不穷;服务提供商也提供了越来越丰富的通讯服务功能。随着互联网的发展,即时通讯的运用将日益广泛,即时通讯软件业方兴未艾。本文首先描述了即时通讯业的发展和现状,然后初步探讨了即时通讯所涉及到的一些技术,最后对现有的技术进行了对比和分析,提出了一些可能的改进方案,并且设计了一个名为web-msn的即时通讯系统。
web-msn是基于B/S的模式的即时通讯系统,通过IE等浏览器直接完成客户端的登录、数据传输,更加便捷了用户之间的通讯和交友;使用最新的Ajax技术,使其非常快,无需等待页面的刷新,实现了即时通讯的功能。
在系统设计与建模过程中,使用了UML和面向对象的分析、设计方法, Framework ,使用Visual Studio .NET 2003作为开发工具,中的一些新技术运用到了系统中;在开发过程中用到了时下流行的重构开发方法,优化了系统的设计。
 
关键词:Web-msn;即时通讯;B/S; Ajax
The Design and Implementation of Instant Message Based on B/S
Abstract
Instant message is currently the most popular way municate on the ,by the way various instant message software have been continuously appearing; service provider offers more and munication services nowadays. As the development of the , instant message will be more widely used than before. This article first describes the development and the current status of the instant message. Then it discusses the technologies of the instant message such munication protocol, service mode and friend-making mode. It makes parison and analysis with respect to the current technology and also provides some possible solutions for improvement. At last it designs and develops an instant message system named web-msn.
The web-msn system is an instant message system which bases on b/s mode. You can login and interact with it through IE. It munication and finding friends more conveniently. It is designed using Ajax, which doesn’t need to wait for refreshing page, so carry munication instantly.
This system is based on .NET Framework and uses Visual Studio .NET 2003 as the development tool. It accumulated some new technology in .NET into our system. During the process of development, it used the popular reconstruction development method, which optimizes the system design.
Key words: Web-msn; Instant Message; B/S; Ajax
目录
论文总页数:24页
1 引言 1
2 系统分析 2
课题目的 2
课题意义 2
应解决的问题 2
需要实现的功能 2
开发环境 2
vs2003开发环境