How to use

UserExistException

in

cn.zhangxd.platform.system.api.exception

/**
 * Handle user exist exception map.
 *
 * @param ex the ex
 * @return the map
 */
@ExceptionHandler(UserExistException.class)
@ResponseStatus(HttpStatus.BAD_REQUEST)
public Map<String, Object> handleUserExistException(UserExistException ex) {
  return makeErrorMessage(ReturnCode.USER_EXIST, "User Exist", ex.getMessage());
}

@Override
public void sendCaptcha4Registry(String mobile) throws BusinessException {
  TripUser user = tripUserService.getByMobile(mobile);
  // 注册,如果用户存在
  if (user != null) {
    throw new UserExistException(String.format("手机号 '%s' 已经注册,直接登录", mobile));
  }
  sendCaptcha(mobile);
}