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<!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=utf-8" />
<title>无标题文档</title>
<style>
#div1{
background:#C00;
width:80px;}
</style>
</head>
<body>
<div id="div1">67854</div>
<input type="button" vaule="提交">
</body>
<script type="text/javascript">
var x=document.getElementById("div1");
var y=new XMLHttpRequest();
alert(y);
y.onreadystatechange=function()
{
if(y.readyState==4&&y.status==200)
{ alert("ok");
var z=y.responseText;
x.innerHTML=z;
}
}
y.open("GET","http://127.0.0.1:8080/MyPro/MyCookie",true);
y.send(null);
</script>
</html>
System.out.println("Hello");
response.getWriter().print("Hello ajax!");