$.getJson跨域取数据

$.getJSON("http://domain/mama/dianzan.php?action=cli&siteid=3&id="+cid+"&jsoncallback=?",
function(data){
if(data.status==1){

location.reload();
}else{

return false;

}
}
);

dianzan.php

$action = isset($_GET['action'])?$_GET['action']:'';

if($action=='cli'){

$rs['status'] = 1;
echo $_GET['jsoncallback'].'('.json_encode($rs).')';exit;

}else{

$rs['status'] = 0;
echo $_GET['jsoncallback'].'('.json_encode($rs).')';exit;

}