### Question:
OptLogService { public void deleteBatch(List<String> resId) { optLogDao.deleteBatch(resId); } OptLogService(OptLogDao optLogDao,
	                     OptLogMapper optLogMapper,
	                     UserServiceRpc userServiceRpc); Page<OptLogDto> findOptLogByCondition(OptLogDto optLogDto, Pageable pageable); OptLogDto findById(String id); void insertOptLog(OptLogDto optLogDto); void deleteBatch(List<String> resId);  }### Answer:
@Test public void deleteBatch() { optLogService.deleteBatch(Arrays.asList("1157660486592466945", "1157672932308783105")); }