基于.net的在线聊天系统大学本科论文.docVIP

潍坊科技学院 本科毕业设计（论文） 题 目 基于.NET的在线聊天系统 院（系） 中印计算机软件学院 专业 计算机科学与技术 学 号 200801450006 学生姓名 纪 连 文 指导教师 祝 凌 云 起讫日期 2011.12.15-2012.4.30 设计地点 潍坊科技学院 摘 要 随着网络技术的不断发展，网络聊天技术正成为目前产业界和科研机构密切关注的焦点。基于网络的聊天技术已成了近年来新兴的聊天交流方式。网络聊天是在20世纪90年代发展起来的，它是在原有的面对面等通过动态声音为信息载体的基础上，增加了非接触式的通过静态文字为载体的交流方式。其使用的C/S结构系统可以在任何一台的计算机上使用，系统的部署和维护只是在服务器上进行，这样的模式既能减少管理的成本，更重要的是它能很方便的实现用户与系统的交互，更快地响应用户信息交互请求，加之微软C#编程语言在窗体应用上的优势以及平台的独立性好、简便的窗体生成为C/S的实现提供了很好的技术基础。 本系统前台选用了C#等作为主要的编程工具和语言,后台选用SQL Server2008作为数据库服务器。利用ADO.NET编程技术实现前后台的数据交互。 本系统实现了以下功能：即时聊天，添加好友，文件上传，聊天记录查询等。 关键词：Abstract With the development of net work technology network chat technology is become the industry and scientific research institutions close attention． Based on network chat technology in recent years has become the emerging chat communication． Network chat is in the 1990s, it was developed in the original face to face for such information carrier by dynamic voice, on the basis of increased non-contact through the static text as the carrier type of communication．Its restrictive is lower, avoid the gleam of restraining factors in communication; Chat system is providing these services with dynamic interaction function of the management information system, it achieved a network of on-line chat; Users can chatting in information system and the be fond of according to oneself and character in his own way to communicate and find friends． Such user never leave home, can communicate with people anywhere at any time, from the traditional way of communication in time and space, and the limitations of traditional exchange individual factors, enriched the limitations of the network life people． As the Internets rapid rise, C/S structure of system can be in any one computer use, the systems deployment and maint enance just on file server,