【Java】Springboot使用Redisson配置

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1、单机配置

@Component
@ConfigurationProperties(prefix = "spring.redis")
public class RedisConfigProperties {
    private String password;
    private String database;
    private int port;
    private String host;
    /**
     * @return the password
     */
    public String getPassword() {
        return password;
    }
    /**
     * @param password the password to set
     */
    public void setPassword(String password) {
        this.password = password;
    }
    /**
     * @return the database
     */
    public String getDatabase() {
        return database;
    }
    /**
     * @param database the database to set
     */
    public void setDatabase(String database) {
        this.database = database;
    }
    /**
     * @return the port
     */
    public int getPort() {
        return port;
    }
    /**
     * @param port the port to set
     */
    public void setPort(int port) {
        this.port = port;
    }
    /**
     * @return the host
     */
    public String getHost() {
        return host;
    }
    /**
     * @param host the host to set
     */
    public void setHost(String host) {
        this.host = host;
    }
}

@Configuration
public class RedissonConfig {
    
    @Autowired
    private RedisConfigProperties redisConfigProperties;

    //添加redisson的bean
    @Bean
    public Redisson redisson() {
        //redisson版本是3.5，集群的ip前面要加上“redis://”，不然会报错，3.2版本可不加
        String redissonAddr = "redis://" + redisConfigProperties.getHost()+":"+redisConfigProperties.getPort();
        Config config = new Config();
        SingleServerConfig singleConfig = config.useSingleServer().setAddress(redissonAddr).
              //心跳检测，定时与redis连接，可以防止一段时间过后，与redis的连接断开
                setPingConnectionInterval(1000);
        singleConfig.setPassword(redisConfigProperties.getPassword());//设置密码
        return (Redisson) Redisson.create(config);
    }
}

2、集群配置

@Component
@ConfigurationProperties(prefix = "spring.redis")
public class RedisConfigProperties {
    private String password;
    private cluster cluster;
    public static class cluster {
        private List<String> nodes;

        public List<String> getNodes() {
            return nodes;
        }

        public void setNodes(List<String> nodes) {
            this.nodes = nodes;
        }
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public RedisConfigProperties.cluster getCluster() {
        return cluster;
    }

    public void setCluster(RedisConfigProperties.cluster cluster) {
        this.cluster = cluster;
    }
}

@Configuration
public class RedissonConfig {
    @Autowired
    private RedisConfigProperties redisConfigProperties;

    //添加redisson的bean
    @Bean
    public Redisson redisson() {
        //redisson版本是3.5，集群的ip前面要加上“redis://”，不然会报错，3.2版本可不加
        List<String> clusterNodes = new ArrayList<>();
        for (int i = 0; i < redisConfigProperties.getCluster().getNodes().size(); i++) {
            clusterNodes.add("redis://" + redisConfigProperties.getCluster().getNodes().get(i));
        }
        Config config = new Config();
        ClusterServersConfig clusterServersConfig = config.useClusterServers()
                .addNodeAddress(clusterNodes.toArray(new String[clusterNodes.size()]));
        //心跳检测，定时与redis连接，可以防止一段时间过后，与redis的连接断开                
        clusterServersConfig.setPingConnectionInterval(1000);
        clusterServersConfig.setPassword(redisConfigProperties.getPassword());//设置密码
        return (Redisson) Redisson.create(config);
    }
}

3、使用方法

    public boolean test1() throws Exception {
        String LOCK_STATUS = "lock_status";
        RLock lock = null;
        try {
            lock = redissonClient.getLock(LOCK_STATUS);
            if (lock.tryLock()) {
                //业务.....
            } else {
                return false;
            }           
        } catch (Exception e) {
            logger.error("err",e);
        }finally {
            if(null != lock && lock.isHeldByCurrentThread()) {
                lock.unlock();
            }
        }
        return true;
    }

4、maven

<dependency>
	<groupId>org.redisson</groupId>
	<artifactId>redisson</artifactId>
	<version>3.13.1</version>
</dependency>

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