/**
  * 删除培训机构优先类别AJAX方法
  * @param   string  $tipt_id_str    形如1,3,4样式的ID列表
  */
 public function removeTIPTFunc($tipt_id_str)
 {
     $resp = new AjaxResponse();
     if (!$this->check_power_new('traininginstitution_removetipt', false)) {
         $resp->alert('您没有权限执行该功能');
         return $resp;
     }
     try {
         TrainingInstitutionModel::removeTrainingInstitutionPriType($tipt_id_str);
         admin_log('delete', '', "培训机构优先类别tipt_id: {$tipt_id_str}");
         $resp->call('location.reload');
     } catch (Exception $e) {
         $resp->alert($e->getMessage());
     }
     return $resp;
 }