本科毕设论文--即时聊天系统qq项目研发与实现.docVIP

课题名称 即时聊天系统QQ项目研发与实现 摘要 随着信息技术的飞速发展，人们在工作中对即时聊天，文件传输的使用和需求越来越多。现有的商用QQ和MSN等聊天软件娱乐性很强，源代码不明确，信息安全性无法保障，软件本身作为第三方软件不便管理。 从技术层面上说单纯的即时聊天软件结构简单，功能模块不多，因此很多公司自行研发此类软件供内部使用。聊天工具作为计算机的应用之一，受到了用户的普遍爱好，它把人们带进了一个虚拟的网络世界，大大加深了人们之间的联系，从单一的文本 聊天，到语音聊天以及到现在的图像、视频聊天、即时短信的发送和在线游戏等功能的开发，已经大大的拓展了聊天工具的概念，它将会作为未来人们通过因特网相互联系和娱乐的主要平台。 我的毕业设计所开发的是基于Java+SQL Server 2005的即时聊天系统QQ项目研发与实现，这个工具有利于人们的信息交流。实现企业局域网通讯的目的就是使人们之间的信息交流更加省时、方便。这个工具可以使局域网内部人员实现聊天功能。它无需连入国际互联网，设计选用Eclipse开发环境和Microsoft SQL Server 2005数据库。本系统采用C/S（客户端和服务器）模式，该项目主要采用Socket对象来实现客户端和服务器端之间的通信。通过对聊天工具的开发，能了解计算机如何通过网络互相通信以及在此相互通信的基础上实现的应用程序级的协议。 关键词：即时聊天;局域网;客户端;服务器端;Socket对象 Abstract With the rapid development of information technology, people in the work of instant messaging, file transfer and demand more and more.Existing commercial QQ and MSN chat software, such as entertainment is very strong, the source code is not clear, information security cant guarantee, inconvenient management software itself as a third party software.From a technical level pure instant messaging software structure is simple, function modules, so many companies to develop such software is for internal use.Chat tools as one of the application of computer, the users common interests, it bring people into a virtual world, greatly deepened the connections between people, from a single text chat, voice chat, and to present images, video chat, instant messaging, send and to the development of online games and so on, have greatly expanded the concept of chat tool, it will be the future people connect with each other through the Internet and entertainment the main platform.My graduation design development is based on Java + SQL Server 2005 QQ instant messaging system project development and implementation, this tool is helpful for peoples communication.Achieve the purpose of the enterprise local area network (LAN) communication between people is to make the information communication more ti