public function get_transfer_ad($ad_id)
 {
     $me = $_SESSION['id'];
     $start = $_REQUEST['start'];
     $end = $_REQUEST['end'];
     $ad_service = new AD();
     $channel = $ad_service->get_ad_channel_by_id($ad_id);
     $agreement_service = new Agreement();
     $agreement = $agreement_service->get_agreement_by_adid($ad_id);
     $agreement_id = $agreement['id'];
     $filters = array('salesman' => $me, 'channel' => $channel);
     // 取出用户在该渠道下的所有广告
     $ads = $ad_service->get_all_ad_info($filters);
     // 取出这段期间内有量的广告
     $quote_service = new Quote();
     $quote_ads = $quote_service->get_all_quote_ad($start, $end);
     $ids = array_unique(array_intersect(array_keys($ads), array_keys($quote_ads)));
     $list = array();
     $invoice_service = new Invoice();
     foreach ($ids as $id) {
         // 剔除该段时间内已经开过票的广告
         $nums = $invoice_service->is_invoice($id, $start, $end);
         if ($nums > 0) {
             continue;
         }
         // 剔除没有关联合同的广告
         if (!isset($ads[$id]['agreement_id'])) {
             continue;
         }
         $ad = array('ad_id' => $id, 'ad_name' => $ads[$id]['ad_name'], 'channel_id' => $ads[$id]['cid'], 'channel' => $agreement_id, 'alias' => $ads[$id]['channel']);
         $list[] = $ad;
     }
     $this->output(array('code' => 0, 'msg' => "get", 'list' => $list));
 }