JS跨域 JSONP

<?php
$result['username'] = $_GET['username'];
$result['sex'] = $_GET['sex'];
$result['age'] = $_GET['age'];
echo $_GET['callback'].'('.json_encode($result).')';
?>

 

 

 

<script type="text/javascript">
 $(function(){
 $("#myform").submit(function(){
 var data = "callback=? &username=zhangsan&sex=lisi&age=100";
 $.getJSON("http://www.5wei1.conm/getMsg.php",data,function(json){
 var msg = '';
 if(json){
 var  sex = json.sex==1? "男生":"女生";
 msg = "<div id='result'><strong>提交成功！</strong><br/>姓名："+json.username+"<br/>性别："+sex+"<br/>年龄："+json.age+"</div>"
 //alert(json)
 }else{
 msg = "服务器忙，请稍候再试！";
 }
 $("#myform").after(msg);
 });
 return false;
 });
 });
 </script>