Jquery 实现跨域处理

$.ajax({ ?????url:url, ?????dataType:‘jsonp‘, ?????data:{title:title}, ?????jsonp:‘callback‘, ?????success:function(lis) { ???????$(‘.mylist‘).html(‘‘); ???????var txt=‘‘; ?????　for (x in lis) { ?????????txt=txt+‘<li>‘+lis[x].title+‘</li>‘;　　　　}　　　 $(‘.mylist‘).html(txt);　　}});

　　　　　$title=‘‘; ???if (isset($_REQUEST[‘title‘])) { ???$title=trim($_REQUEST[‘title‘]); ???} ???$sql="SELECT * FROM `v9_news` as a INNER JOIN `v9_news_data` AS b ON a.id=b.id WHERE a.catid IN(2349,2372,3614,2343,2344,2345,2346) AND subtitle LIKE ‘%$title%‘"; ???????$result = $this->db->query($sql); ???????$info = $this->db->fetch_array($result); ???????$callback = $_REQUEST[‘callback‘]; ???????echo $callback.‘(‘.json_encode($info).‘)‘;exit;