| | |
| | | import org.springframework.data.redis.core.RedisTemplate; |
| | | import org.springframework.stereotype.Component; |
| | | import org.springframework.util.StringUtils; |
| | | import java.util.UUID; |
| | | |
| | | import java.util.concurrent.TimeUnit; |
| | | |
| | | |
| | |
| | | if(!StringUtils.isEmpty(key)){ |
| | | redisTemplate.delete(key); |
| | | } |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | /** |
| | | * redis加锁 |
| | | * @param key |
| | | * @param value |
| | | * @param time |
| | | * @return |
| | | */ |
| | | public boolean lock(String key, String value, int time){ |
| | | if(!StringUtils.isEmpty(key)){ |
| | | key += "_lock"; |
| | | return redisTemplate.opsForValue().setIfAbsent(key, value); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * 获取redis锁 |
| | | * @param time |
| | | * @return |
| | | */ |
| | | public boolean lock(int time){ |
| | | String uuid = UUID.randomUUID().toString(); |
| | | return lock("redis", uuid, time); |
| | | } |
| | | |
| | | |
| | | public boolean lock(String key, int time){ |
| | | String uuid = UUID.randomUUID().toString(); |
| | | return lock(key, uuid, time); |
| | | } |
| | | |
| | | |
| | | /** |
| | | * redis释放锁 |
| | | * @param key |
| | | * @return |
| | | */ |
| | | public boolean unlock(String key){ |
| | | if(!StringUtils.isEmpty(key)){ |
| | | key += "_lock"; |
| | | return redisTemplate.delete(key); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * 删除锁 |
| | | * @return |
| | | */ |
| | | public boolean unlock(){ |
| | | return unlock("redis"); |
| | | } |
| | | } |