html 代码清单： <script type="text/javascript" src="http://www.youxiaju.com/js/jquery-1.4.2.min.js"></script> <script type="text/javascript"> $(function(){ $.ajax( { type:’get', url : 'http://www.youxiaju.com/validate.php?loginuser=lee&loginpass=123456', dataType : 'jsonp', jsonp:"jsoncallback", success : function(data) { alert("用户名："+ data.user +" 密码："+ data.pass); }, error : function() { alert('fail'); } } ); }) </script> 服务端 validate.php 代码清单： <?php header('Content-Type:text/html;Charset=utf-8'); $arr = array( "user" => $_GET['loginuser'], "pass" => $_GET['loginpass'], "name" => 'response' ); echo $_GET['jsoncallback'] . "(".json_encode($arr).")"; 效果图： from:http://blog.csdn.net/liruxing1715/article/details/18707605
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