package demo;

import org.junit.Test;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class Demo {
 // 通過(guò)Java程序訪問(wèn)Redis數(shù)據(jù)庫(kù)
 @Test
 public void test1() {
  // 獲得連接對(duì)象
  Jedis jedis = new Jedis("localhost", 6379);

  // 存儲(chǔ)、獲得數(shù)據(jù)
  jedis.set("username", "yiqing");
  String username = jedis.get("username");
  System.out.println(username);
 }

 // Jedis連接池獲得jedis連接對(duì)象
 @Test
 public void test2() {
  // 配置并創(chuàng)建redis連接池
  JedisPoolConfig poolconfig = new JedisPoolConfig();
  // 最大（小）閑置個(gè)數(shù)
  poolconfig.setMaxIdle(30);
  poolconfig.setMinIdle(10);
  // 最大連接數(shù)
  poolconfig.setMaxTotal(50);

  JedisPool pool = new JedisPool(poolconfig, "localhost", 6379);

  // 獲取資源
  Jedis jedis = pool.getResource();
  jedis.set("username", "yiqing");
  String username = jedis.get("username");
  System.out.println(username);

  // 關(guān)閉資源
  jedis.close();
  // 開(kāi)發(fā)中不會(huì)關(guān)閉連接池
  // pool.close();
 }
}

package demo;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class JedisPoolUtils {

 private static JedisPool pool = null;

 static {

 // 加載配置文件
 InputStream in = JedisPoolUtils.class.getClassLoader().getResourceAsStream("redis.properties");
 Properties pro = new Properties();
 try {
  pro.load(in);
 } catch (IOException e) {
  e.printStackTrace();
 }

 // 獲得池子對(duì)象
 JedisPoolConfig poolConfig = new JedisPoolConfig();
 poolConfig.setMaxIdle(Integer.parseInt(pro.get("redis.maxIdle").toString()));// 最大閑置個(gè)數(shù)
 poolConfig.setMinIdle(Integer.parseInt(pro.get("redis.minIdle").toString()));// 最小閑置個(gè)數(shù)
 poolConfig.setMaxTotal(Integer.parseInt(pro.get("redis.maxTotal").toString()));// 最大連接數(shù)
 pool = new JedisPool(poolConfig, pro.getProperty("redis.url"),
  Integer.parseInt(pro.get("redis.port").toString()));
 }

 // 獲得Jedis資源
 public static Jedis getJedis() {
 return pool.getResource();
 }
}

redis.maxIdle=30
redis.minIdle=10
redis.maxTotal=100
redis.url=localhost
redis.port=6379