zyw_hello的博客

用redis做分布式锁，尝试多次获取锁 核心业务代码 boolean lock = false; int i = 0; //重复三次获取锁 for (i = 0; i < 3; i++) { //获取锁 lock = RedisClient.setIfAbsent(CouponCacheKey.REMAIN_LOCK_KEY , "lock", 10, TimeUnit.SECONDS);