jedis 连接池工具类

maven

<properties>
        <jedis.version>3.0.1</jedis.version>
        <junit.verion>4.12</junit.verion>
        <log4j.verison>2.12.1</log4j.verison>
        <slf4j.version>1.7.28</slf4j.version>
        <!--<commons-pool2.version>2.6.2</commons-pool2.version>-->
    </properties>

    <dependencies>
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>${jedis.version}</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.verion}</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>${log4j.verison}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
    </dependencies>

redis.properties

#最大闲置数
redis.maxIdle=30
#最小闲置数
#redis.minIdle=10
#最大连接数
redis.maxTotal=100
#连接安装redis服务器的IP地址
redis.host=192.168.101.101
#redis的默认端口
redis.port=6379

JedisUtil

public class JedisUtil {
    private static Properties properties = new Properties();
    private static JedisPoolConfig config = new JedisPoolConfig();
    private static JedisPool pool;

    private JedisUtil() {

    }

    static {
        InputStream inputStream = JedisUtil.class.getClassLoader().getResourceAsStream("redis.properties");
        try {
            properties.load(inputStream);
            config.setMaxTotal(Integer.parseInt(properties.getProperty("redis.maxTotal")));
            config.setMaxIdle(Integer.parseInt(properties.getProperty("redis.maxIdle")));
            pool = new JedisPool(config, properties.getProperty("redis.host"), Integer.parseInt(properties.getProperty("redis.port")));
            if (inputStream != null) {
                inputStream.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

    }


    public static Jedis getResource() {
        return pool.getResource();
    }

    public static void close(Jedis jedis) {
        if (jedis != null) {
            jedis.close();
        }
    }

    public static void shutdown() {
        if (pool != null) {
            if (pool.getNumActive() == 0) {
                pool.close();
            }
        }
    }
}

Test

        Jedis resource = JedisUtil.getResource();
        System.out.println( resource.get("name"));
        JedisUtil.close(resource);
        JedisUtil.shutdown();