public function url(){
$xid =I('xid');
$xml = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<list>\n";
if($xid==(44)){
$xml.='1'."\n";
}elseif($xid==497){
$xml.='1'."\n";
}elseif($xid==613){
$xml.='1'."\n";
}elseif($xid==765){
$xml.='1'."\n";
}else{
$xml.='2'."\n";
}
$xml .='</list>';
echo $xml ;
} 