jsp ajax网页聊天
寻找高手！请+我Q，44702299，希望认识这方面强者！！小弟我由衷感谢,希望能得到你们伟大的教导！无比感恩。。。...
寻找高手！请+我Q，44702299，希望认识这方面强者！！小弟我由衷感谢,希望能得到你们伟大的教导！无比感恩。。。
展开
4个回答
展开全部
网上很多这样的代码 核心代码很少的 其他都是附加上去的
给你个核心代码
ajax.html
---------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<body>
<script language="javascript" type="text/javascript">
<!--
document.oncontextmenu=new Function("event.returnValue=false;"); //禁止右键功能
var xmlHttp = false;
createRequest();
callServer();
var int = window.setInterval("callServer()",1000);
function createRequest()
{
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2) {
xmlHttp = false;
}
}
@end @*/
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
xmlHttp = new XMLHttpRequest();
}
}
function callServer() {
var url = "ajax.jsp";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
}
function updatePage() {
if (xmlHttp.readyState == 4) {
if(xmlHttp.status == 200) {
var response = xmlHttp.responseText;
document.getElementById("content").innerHTML = response;
}
else document.getElementById("content").innerHTML = xmlHttp.status;
}
}
function send()
{
var url = "ajax.jsp?say=" + document.getElementById("say").value;
document.getElementById("say").value = "";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
}
function clean()
{
if(!event.ctrlKey) return;
var url = "ajax.jsp?clean=true";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
}
-->
</script>
<form>
<table>
<tr>
<td>
<input type="text" id="say" onkeydown="if(event.keyCode==13)send();" value="" />
<input type="text" name="hidden" style="display:none;"/>
<input type="button" id="sendbutton" onclick="send();" value="确定" />
<input type="button" id="cleanbutton" onclick="clean();" value="清空" />
</td>
</tr>
<tr>
<td colspan="2" id="content" name="content">
</td>
</tr>
</table>
</form>
</body>
</html>
ajax.jsp
--------------------
<%@ page language="java" pageEncoding="GBK"
import="java.util.*"
%><%
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
String say = request.getParameter("say");
String clean = request.getParameter("clean");
String addr = request.getRemoteAddr();
if(application.getAttribute("content")==null || "true".equals(clean)) application.setAttribute("content","");
if(say != null)
{
say = new String(say.getBytes("ISO-8859-1"),"gbk");
application.setAttribute("content",application.getAttribute("content")+addr+": "+say+"<br />");
}
out.print(application.getAttribute("content"));
%>
给你个核心代码
ajax.html
---------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<body>
<script language="javascript" type="text/javascript">
<!--
document.oncontextmenu=new Function("event.returnValue=false;"); //禁止右键功能
var xmlHttp = false;
createRequest();
callServer();
var int = window.setInterval("callServer()",1000);
function createRequest()
{
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e2) {
xmlHttp = false;
}
}
@end @*/
if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
xmlHttp = new XMLHttpRequest();
}
}
function callServer() {
var url = "ajax.jsp";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
}
function updatePage() {
if (xmlHttp.readyState == 4) {
if(xmlHttp.status == 200) {
var response = xmlHttp.responseText;
document.getElementById("content").innerHTML = response;
}
else document.getElementById("content").innerHTML = xmlHttp.status;
}
}
function send()
{
var url = "ajax.jsp?say=" + document.getElementById("say").value;
document.getElementById("say").value = "";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
}
function clean()
{
if(!event.ctrlKey) return;
var url = "ajax.jsp?clean=true";
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = updatePage;
xmlHttp.send(null);
}
-->
</script>
<form>
<table>
<tr>
<td>
<input type="text" id="say" onkeydown="if(event.keyCode==13)send();" value="" />
<input type="text" name="hidden" style="display:none;"/>
<input type="button" id="sendbutton" onclick="send();" value="确定" />
<input type="button" id="cleanbutton" onclick="clean();" value="清空" />
</td>
</tr>
<tr>
<td colspan="2" id="content" name="content">
</td>
</tr>
</table>
</form>
</body>
</html>
ajax.jsp
--------------------
<%@ page language="java" pageEncoding="GBK"
import="java.util.*"
%><%
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
String say = request.getParameter("say");
String clean = request.getParameter("clean");
String addr = request.getRemoteAddr();
if(application.getAttribute("content")==null || "true".equals(clean)) application.setAttribute("content","");
if(say != null)
{
say = new String(say.getBytes("ISO-8859-1"),"gbk");
application.setAttribute("content",application.getAttribute("content")+addr+": "+say+"<br />");
}
out.print(application.getAttribute("content"));
%>
本回答由提问者推荐
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
展开全部
我不是强者,不过会使用AJAX,我QQ是442914000,希望一起探讨
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
展开全部
QQ:87827356 同样 共同学习
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
展开全部
QQ:115962262 一起学习吧，记得加我
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
更多回答（2）
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
