public function uploadAction()
 {
     if (!$_FILES['pfile']['size']) {
         throw new Exception('上传文件为空');
     }
     $model = new CompanyModel();
     if (1 == intval($this->_request->op)) {
         $model->removeAllItems($this->token->uid);
     }
     $sql = 'INSERT INTO ' . DBTables::STOCK . ' (partno,qty,pack,dc,mfg,describe,warehouse) VALUES ';
     $fp = fopen($_FILES['pfile']['tmp_name'], 'r');
     while (!feof($fp)) {
         $line = fread($fp, 1024);
         echo $line, "\n";
     }
     fclose($fp);
 }