redis分布式锁

1.使用setNx做分布式锁：setnx只能设置一次值，第二次会设置失败

public Boolean setSecondTime(String key, String value, Long secondTime) {
        try {
            boolean flag= client.setNX(key, value);
            client.expire(key, secondTime, TimeUnit.SECONDS);
        } catch (Exception e) {
            log.error("jimdbservice setSecondTime", e);
        }
        return flag;
    }

try {
            if (boardJimdbService.setSecondTime(Sale_Task_key, "111", 8L)) {
                //TODO
            }
        } catch (Exception e) {
            
        } finally {
            boardJimdbService.del(Sale_Task_key);
}

来源：CSDN

作者：诸葛子房_

链接：https://blog.csdn.net/weixin_43291055/article/details/103709487