[Java] redisson分布式锁的用法大全

<dependency>
  <groupId>org.redisson</groupId>
  <artifactId>redisson-spring-boot-starter</artifactId>
  <version>3.15.1</version>
</dependency>

package com.miyou;
 
import org.junit.jupiter.api.Test;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
 
import java.util.concurrent.locks.Lock;
 
public class DefaultTest extends UserRightsApplicationTests {
 
 
  @Autowired
  private RedissonClient redissonClient;
 
  @Test
  public void testLock() throws InterruptedException {
  Lock lock = redissonClient.getLock("test lock");
  lock.lock();
  System.out.println("锁获取成功");
  new Thread(()->{
    Lock rLock2 = redissonClient.getLock("test lock");
    rLock2.lock();
    System.out.println("线程2获取锁成功！");
    rLock2.unlock();
  }).start();
  Thread.sleep(20000);
  System.out.println("主线程释放锁");
  lock.unlock();
  Thread.sleep(1200000);
  }
}