//jquery部分的代码
 1 $.ajax({   2         type:‘GET‘,   3         url:"http://192.168.0.224/jsonp.php", 4         data:"", 5         dataType:‘jsonp‘, 6         jsonp: ‘callback‘, 7         timeout: 2000, 8         success:function(res){ 9             alert(res.info);    10         }11      });

 
//php部分的代码
 1 <?php 2     header(‘Content-Type:text/json;charset=utf-8‘); 3     $str = array 4        ( 5         ‘info‘=>‘aaaa‘ 6        ); 7       $result = json_encode($str); 8       $callback=$_GET[‘callback‘];  9       echo $callback."($result)"; 10 ?>