protected function _getCode($email = '') { $email = htmlspecialchars($email); $results = User::getUserInfoByEmail($email); if ($results) { $code = md5(uniqid()); $data = array(); $data['code'] = $code; $data['email'] = $email; $data['expire'] = time() + self::_expireTime(); $rs = Code::insertCodeInfo($data); if ($rs) { return $code; } else { return false; } } else { $msg['msg'] = '不存在这个注册邮箱,请重新输入!'; $msg['result'] = '-3'; echo json_encode($msg); throw new Exception('exit'); } }