渡人自渡 发表于 2017-12-20 16:33:40

Java连接远程Redis

package com.test;  

  

import redis.clients.jedis.Jedis;  

import redis.clients.jedis.JedisPool;  

import redis.clients.jedis.JedisPoolConfig;  

  

public final>//Redis服务器IP  private static String ADDR = "192.168.0.100";
  //Redis的端口号
  private static int PORT = 6379;
  //访问密码
  private static String AUTH = "admin";
  //可用连接实例的最大数目,默认值为8;
  //如果赋值为-1,则表示不限制;如果pool已经分配了maxActive个jedis实例,则此时pool的状态为exhausted(耗尽)。
  private static int MAX_ACTIVE = 1024;
  //控制一个pool最多有多少个状态为idle(空闲的)的jedis实例,默认值也是8。
  private static int MAX_IDLE = 200;
  //等待可用连接的最大时间,单位毫秒,默认值为-1,表示永不超时。如果超过等待时间,则直接抛出JedisConnectionException;
  private static int MAX_WAIT = 10000;
  private static int TIMEOUT = 10000;
  //在borrow一个jedis实例时,是否提前进行validate操作;如果为true,则得到的jedis实例均是可用的;
  private static boolean TEST_ON_BORROW = true;
  private static JedisPool jedisPool = null;
  /**
  * 初始化Redis连接池
  */
  static {
  try {
  JedisPoolConfig config = new JedisPoolConfig();
  config.setMaxActive(MAX_ACTIVE);
  config.setMaxIdle(MAX_IDLE);
  config.setMaxWait(MAX_WAIT);
  config.setTestOnBorrow(TEST_ON_BORROW);
  jedisPool = new JedisPool(config, ADDR, PORT, TIMEOUT, AUTH);
  } catch (Exception e) {
  e.printStackTrace();
  }
  }
  /**
  * 获取Jedis实例
  * @return
  */
  public synchronized static Jedis getJedis() {
  try {
  if (jedisPool != null) {
  Jedis resource = jedisPool.getResource();
  return resource;
  } else {
  return null;
  }
  } catch (Exception e) {
  e.printStackTrace();
  return null;
  }
  }
  /**
  * 释放jedis资源
  * @param jedis
  */
  public static void returnResource(final Jedis jedis) {
  if (jedis != null) {
  jedisPool.returnResource(jedis);
  }
  }
  
}
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