html页 

<script type="text/javascript" src="jquery-1.7.2.min.js"></script>

      <script type="text/javascript">

     jQuery(document).ready(function(){ 

        $.ajax({

             type: "GET",

             async: false,

             //url: "http://test/jsonp.php",

             url:"http://127.0.0.1:8080/sso/jsonp.php",

             dataType: "jsonp",

             jsonp: "callback",//传递给请求处理程序或页面的，用以获得jsonp回调函数名的参数名(一般默认为:callback)

          

             success: function(json){

  



             },

             error: function(){

                 alert("fail");

             }

         });

     });

     </script>

$sqltext="select * from tablea  limit 6";

	$sql=$empire->query($sqltext);

	$arr = array();

	while($r=$empire->fetch($sql))

	{

		

		$title=$r['title'];

		$arr[]=$title;

	}

	$callback = $_GET["callback"]; 

	echo $callback.'('.json_encode($arr).');';

SyntaxHighlighter.highlight();