html文件
<html> <title>php+jquery+ajax+json简单小例子</title> <?php header("Content-Type:text/html;charset=utf-8"); ?> <head> <script type="text/javascript" src="http://code.jquery.com/jquery.min.js"></script> <script type="text/javascript"> $(function() { $("#subbtn").click(function() { var params = $("input").serialize(); var url = "t.php"; $.ajax({ type: "post", url: url, dataType: "json", data: params, success: function(msg){ var backdata = "您提交的姓名为：" + msg.name + "<br /> 您提交的密码为：" + msg.password; $("#backdata").html(backdata); $("#backdata").css({color: "green"}); } }); }); }); </script> </head> <body> <p> <label for="name">姓名：</label> <input id="name" name="name" type="text" /> </p> <p> <label for="password">密码：</label> <input id="password" name="password" type="password" /> </p> <span id="backdata"></span> <p> <input id="subbtn" type="button" value="提交数据" /> </p> </body> </html>
php文件
<?php
echo json_encode($_POST);
?>
原文：http://www.cnblogs.com/wesky/p/4590923.html