/**
  * 删除字段处理.
  * 
  * @access public
  * @return void
  */
 public function deleteAction()
 {
     $ids = I('post.ids', []);
     $modId = intval(I('post.modId', 0));
     $result = ['status' => 1, 'msg' => '', 'data' => []];
     if (empty($ids) || empty($modId)) {
         $result['status'] = 0;
         $result['msg'] = '参数错误';
         $this->ajaxReturn($result, 'json');
     }
     $model = new FieldModel();
     if (FALSE === $model->checkValidModule($modId)) {
         $result['status'] = 0;
         $result['msg'] = '参数错误';
         $this->ajaxReturn($result, 'json');
     }
     $model->startTrans();
     $res = $model->batchDeleteFields($ids, $modId);
     $res1 = $model->changeModuleStatus($modId);
     if ($res && $res1) {
         $model->commit();
         $result['status'] = 1;
         $result['msg'] = '删除成功';
     } else {
         $model->rollback();
         $result['status'] = 0;
         $result['msg'] = '删除失败';
     }
     $this->ajaxReturn($result, 'json');
 }