<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="utf-8" />
<script type="text/javascript">
function login(){
//第一步：创建ajax对象
var ajax = new XMLHttpRequest();
//设置监听函数
ajax.onreadystatechange = function(){
if (ajax.readyState==4 && ajax.status == 200){
var res = ajax.responseText;
alert(res);
}
}
//准备发送数据
ajax.open("get","./user.php?username=zhangsan&password=123456",true);
//发送数据
ajax.send(null);
}
login();
login();
login();
</script>
</head>
<body>
</body>
</html>user.php
<?php $username =$_GET[‘username‘]; $password =$_GET[‘password‘]; //处理数据 echo "注册成功"; ?>
本文出自 “IT5808” 博客，请务必保留此出处http://it5808.blog.51cto.com/10842703/1713239
原文：http://it5808.blog.51cto.com/10842703/1713239