jsonp sample

        $.ajax({
            type:"get",
            async:false,
            dataType: 'JSONP',//here
            jsonp: 'callback', 
            url : "<?php echo $www;?>/article/getmyshare",
            //data:'uid='+<?php echo $agent['u_id'];?>+'&page='+page,
            data:{'uid':<?php echo $agent['u_id'];?>, 'page':page},
            success:function(ret){
                //var info = JSON.parse(ret);
                var info = (ret);
                if(click && info.length ==0) alert('没有了');
                var ashare='';
                for(var i=0; i<info.length; i++){
                    ashare += '<a href=<?php echo $rest.'mreading_info?uid='.$agent['u_id'].'&aid=';?>'+info[i].a_id+'><img src="'+info[i].a_image+'" width="100" height="65" ><p style="font-size:15px;">'+info[i].a_short_title+'</p></a>';
                }
                $('.meShare .list').append(ashare);
            }
        });

echo $callback."(".json_encode($myshare).")";

来自为知笔记(Wiz)