hasMany(projectTask::class, 'column_id', 'id')->orderBy('sort')->orderBy('id'); } /** * 删除列表 * @return bool */ public function deleteColumn() { $result = AbstractModel::transaction(function () { ProjectTask::whereColumnId($this->id)->delete(); if ($this->delete()) { return Base::retSuccess('success'); } else { return Base::retError('error'); } }); return Base::isSuccess($result); } }