PHP ContentsDao::isContentFileExist示例

 public function isContentFileExist($data)
 {
     $dbConnection = PdoUtils::obtainConnection('CMS');
     if ($dbConnection == null) {
         return Message::ERROR_NO_DB_CONNECTION;
     }
     $dbConnection->beginTransaction();
     try {
         $contents = new ContentsDao($dbConnection);
         $isContentFileExist = $contents->isContentFileExist($data);
         $dbConnection->commit();
     } catch (\Exception $e) {
         $dbConnection->rollBack();
         echo $e->getMessage();
         exit;
     }
     PdoUtils::closeConnection($dbConnection);
     return $isContentFileExist;
 }