环境：Ajax+JSP，Tomcat5.05
参考：http://www.w3cschool.cn/index-24.asp.htm
文件：testAjax.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<body>
<mce:script type="text/javascript"><!--
function ajaxFunction(){
var xmlHttp;
try{
// Firefox, Opera 8.0+, Safari
xmlHttp=new XMLHttpRequest();
}catch (e){
// Internet Explorer
try{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}catch (e){
try{
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}catch (e){
alert("您的浏览器不支持AJAX！");
return false;
}
}
}
xmlHttp.onreadystatechange=function(){
if(xmlHttp.readyState==4){
document.myForm.time.value=xmlHttp.responseText;
}
}
xmlHttp.open("GET","time.jsp",true);
xmlHttp.send(null);
}
function clearText(){
document.myForm.time.value="";
}
// --></mce:script>
<form name="myForm">
用户: <input type="text" name="username" onMouseOver="ajaxFunction()" onMouseOut="clearText()" size="50">
<p>
时间: <textarea name="time" rows="5" cols="50">
time.jsp
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!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" />
<title>无标题文档</title>
</head>
<body>
<%
java.io.PrintWriter myOut = response.getWriter();
java.util.Date d = new java.util.Date();
java.text.SimpleDateFormat f = new java.text.SimpleDateFormat("yyyy年MM月dd日 hh:mm:ss");
myOut.print(f.format(d));
myOut.flush();
my
