方维分享系统，分享的用户得到商品的佣金

//add by Q1006440989 如果此分享商品的uid开通了alimamapid,那site_url就是uid的二级域名
    if($args['sid'] && stripos($type,'note')!==false){
     $res = FDB::resultFirst('select uid from '.FDB::table('share').' where share_id = '.$args['sid']); 
     $res1 =  FDB::resultFirst('select alimama_pid from '.FDB::table('user').' where uid = '.$res); 
     if(!empty($res1)){
      $site_url = "http://".$res.".xxx.com/"; 
     }
    }else{
     $site_url = "http://www.xxx.com/";  
    }