code: public static ApportalRegisterResult apportalRegister(String accessToken, ApportalRegister apportalRegister) {
          return apportalRegister(accessToken, JsonUtil.toJSONString(apportalRegister));
      }
docs: Wi-Fi设备管理-添加portal型设备
  
  @param accessToken      accessToken
  @param apportalRegister apportalRegister
  @return ApportalRegisterResult