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levin950825 avatar levin950825 commented on August 20, 2024

恩,不过现在有更简单的方案了,springboot2.1.x 支持setex 直接的写法了,不用这么麻烦了

    /**
     * 获取锁
     *
     * @param lockKey lockKey
     * @param uuid    UUID
     * @param timeout 超时时间
     * @param unit    过期单位
     * @return true or false
     */
    public boolean lock(String lockKey, final String uuid, long timeout, final TimeUnit unit) {
        // 新版本 API 中已经直接支持 set nx 方式
        Boolean success = stringRedisTemplate.opsForValue().setIfAbsent(lockKey, uuid, timeout, unit);
        return success == null ? false : success;
    }

from spring-boot2-learning.

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