= 2 && $len <= 16); } /** * [IsExistRole 校验角色是否存在] * @author Devil * @blog http://gong.gg/ * @version 0.0.1 * @datetime 2016-12-10T14:09:40+0800 */ public function IsExistRole() { $id = $this->db(0)->where(array('id'=>I('id')))->getField('id'); return !empty($id); } } ?>