基于JSP技术和Ajax技术实现的网络聊天室的设计_毕业论文.doc

摘 要 PAGE III 编号 淮安信息职业技术学院 毕业论文 题 目 基于JSP技术和Ajax技术实现的聊天室设计 摘 要 随着互联网的飞速发展，聊天室这种比较古老的交流方式已经被众多人所认可。通过聊天室在线聊天已成为网络上人与人之间的沟通、交流和联系的一种方式。为此，越来越多的网站开始提供在线的聊天功能。与此同时，聊天室也以其方便、快捷、低成本等优势受到众多企业的亲睐，很多企业的网站中也加入了聊天室，以达到增进企业与消费者、消费者与消费者之间的相互交流和联系的目的。 传统的互联网络聊天室，以显示在线用户和用户信息的实时传送，需要定期刷新页面。刷新页面，不仅要占用一定的系统资源和网络带宽，也会出现“白屏”现象，这对良好的用户体验是非常不利的。 Ajax是一个新的web应用，使用Ajax技术的发展不仅解决了页面刷新带来的白屏问题，也减少了对服务器和网络传输的负载。 我做的这个设计就是通过JSP和Ajax实现的无刷新聊天室。 关键词：JSP；Ajax；网络聊天室；无刷新 Abstract Abstract Abstract Abstract With the rapid development of Internet, chat rooms that compare the old way of communication has been recognized by many people. By online chat chat room has become the Internet interpersonal communication, a way of communication and contact. Therefore, more and more websites started offering online chat. Chat rooms, meanwhile, also with its convenient, fast, low-cost advantages such as affected by many enterprises, many enterprise site has joined the chat room, in order to achieve between the enterprises and consumers, customers and consumers to communicate and contact purpose. Traditional Internet chat rooms in order to display online users and user messages sent in real time, the need to regularly refresh the page. Page refresh not only to take up some system resources and network bandwidth, but there is also a black and white phenomenon is very detrimental to a good user experience. Ajax is a new web application, the chat room system using Ajax technology development not only solved the page refreshes bring black and white issues, but also reduce the load on the server and network transmission. I do this is designed by the JSP and Ajax no refresh the chat room Keywords: Jsp;Ajax；Internet chat rooms；Nofresh; 目 录 目 录 PAGE 1 目 录 TOC \o 1-3 \h \z \u pageEncoding=UTF-8 % html title聊天室/title link href=CSS/style.css rel=stylesheet script language=javascript function check(){ if(form1.username.value==){ alert(请输入用户名！);form1.username.f