深入浅出的Redis分布式锁

见贤思齐

@RestController@Slf4jpublic class RedisLockController { @Resource private Redisson redisson; @Resource private StringRedisTemplate stringRedisTemplate; @RequestMapping("/lock") public String deductTicket() throws InterruptedException { String lockKey = "ticket"; int ticketCount = Integer.parseInt(stringRedisTemplate.opsForValue().get(lockKey)); if (ticketCount > 0) { int realTicketCount = ticketCount - 1; log.info("扣减成功，剩余票数：" + realTicketCount + ""); stringRedisTemplate.opsForValue().set(lockKey, realTicketCount + ""); } else { log.error("扣减失败，余票不足"); } return "end"; } }