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();