RedisUtils工具类
package com.redis; /** * * @author Administrator * */ import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; public class RedisUtils { //服务器IP地址 private static String ADDR = "127.0.0.1"; //端口 private static int PORT = 6379; //密码 // private static String AUTH = "123456"; //连接实例的最大连接数 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; //连接超时的时间 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; //数据库模式是16个数据库 0~15 // public static final int DEFAULT_DATABASE = 0; /** * 初始化Redis连接池 */ static { try { JedisPoolConfig config = new JedisPoolConfig(); config.setMaxTotal(MAX_ACTIVE); config.setMaxIdle(MAX_IDLE); config.setMaxWaitMillis(MAX_WAIT); config.setTestOnBorrow(TEST_ON_BORROW); jedisPool = new JedisPool(config, ADDR, PORT, TIMEOUT); } catch (Exception e) { e.printStackTrace(); } } /** * 获取Jedis实例 */ public synchronized static Jedis getJedis() { try { if (jedisPool != null) { Jedis resource = jedisPool.getResource(); System.out.println("redis--服务正在运行: "+resource.ping()); return resource; } else { return null; } } catch (Exception e) { e.printStackTrace(); return null; } } /*** * * 释放资源 */ public static void returnResource(final Jedis jedis) { if(jedis != null) { jedisPool.returnResource(jedis); } } }
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