工具类 - 连接redis：JedisUtils

package com.itheima.util;

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

import java.util.ResourceBundle;

public class JedisUtils {

	
    private static int maxTotal;	// 最大连接数
    private static int maxIdel;		// 最大活跃数
    private static String host;		// redis服务地址
    private static int port;				// redis服务端口号

	// poolConfig:连接池配置对象
    private static JedisPoolConfig jpc;
	
	// JedisPool：Jedis提供的连接池技术
    private static JedisPool jp;

    static {
		// 读取src下的.properties文件，参数不写扩展名
        ResourceBundle bundle = ResourceBundle.getBundle("redis");
        maxTotal = Integer.parseInt(bundle.getString("redis.maxTotal"));
        maxIdel = Integer.parseInt(bundle.getString("redis.maxIdel"));
        host = bundle.getString("redis.host");
        port = Integer.parseInt(bundle.getString("redis.port"));

        //Jedis连接池配置
        jpc = new JedisPoolConfig();
        jpc.setMaxTotal(maxTotal);
        jpc.setMaxIdle(maxIdel);
        jp = new JedisPool(jpc,host,port);
    }

    public static Jedis getJedis(){
        return jp.getResource();
    }

}