对象创建完成后进行数据同步

 */@Componentpublic class NumberPlaceDBToRedis implements ApplicationListener<ApplicationEvent> {    private static final Logger logger = Logger.getLogger(NumberPlaceDBToRedis.class);

@Autowired    private RedisTemplate redisTemplate;

@Autowired    private NumberPlaceRepository numberPlaceRepository;

private static boolean flag = true;

@Override    public void onApplicationEvent(ApplicationEvent event) {        if (flag) {            flag=false;//防止二次调用            logger.info("号码归属地数据库缓存数据同步");            try {                List<NumberPlace> numberPlaces = numberPlaceRepository.findAll();                StringBuilder stringBuilder = new StringBuilder(NumberPlaceConstant.NUMBER_PLACE);                numberPlaces.forEach(numberPlace -> {                    if (numberPlace.getStatus() == 0) {                        redisTemplate.opsForValue().set(stringBuilder.append(numberPlace.getProvinceId()), numberPlace.getProvinceId());                    }

});            } catch (Exception e) {                logger.error("号码归属地数据库缓存数据同步失败");                throw new RuntimeException("号码归属地数据库缓存数据同步失败");            }        }    }}

原文地址：https://www.cnblogs.com/itniwota/p/10088906.html