```getmessage().'in file:'.$this->getfile().'on line:'.$this->getline(); }}function reg($reginfo = null){ // 依据不同错误抛出不同异常 if (empty($reginfo) || !isset($reginfo)) { throw new exception('参数非法'); } if (empty($reginfo['email'])) { throw new emailexception('邮件为空'); } if ($reginfo['pwd'] != $reginfo['repwd']) { throw new pwdexception('两次密码不一致！'); }}// 接收不同异常，并针对性处理！try { reg(array('email' => '1078789950@qq.com', 'pwd' => '123', 'repwd' => '1231' ));} catch (exception $e) { echo $e ->getmessage();} catch (emailexception $ee) { echo $ee ->getmessage();} catch (pwdexception $ep) { echo $ep;}```