jedis工具类

jedis工具类

---

package cn.liyang.utils;

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

import java.util.ResourceBundle;

/**
 * @author liyang
 * @date 2019/7/30 9:50
 * @description:数据库连接的工具类 目的: 返回连接数据库的对象 读取config.properties配置文件
 */
public class JedisUtils {
   private static JedisPool pool ;

    //读取配置文件
    static {
        ResourceBundle resourceBundle = ResourceBundle.getBundle("config");
        //获取服务器的IP 端口号
        String host = resourceBundle.getString("host");
        //获取最大连接数 空闲数
        int port = Integer.parseInt(resourceBundle.getString("port"));
        int maxTotal = Integer.parseInt(resourceBundle.getString("maxTotal"));
        int maxIdle = Integer.parseInt(resourceBundle.getString("maxIdle"));
        //创建连接池的配置信息
        JedisPoolConfig config = new JedisPoolConfig();
        //设置相关的信息
        config.setMaxTotal(maxTotal);
        config.setMaxIdle(maxIdle);
        //创建连接池对象
        pool = new JedisPool(config, host, port);
    }

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

    //关闭连接
    public static void close(Jedis jedis) {
        if (jedis != null) {
            jedis.close();
        }
    }
    //关闭连接池
    public static void close(JedisPool pool) {
        if (pool != null) {
            pool.close();
        }
    }
}

host=localhost
port=6379
maxTotal=50
maxIdle=20

package cn.liyang.test;

import cn.liyang.utils.JedisUtils;
import redis.clients.jedis.Jedis;

/**
 * @author liyang
 * @date 2019/7/30 10:06
 * @description:
 */
public class JedisUtilsTest {
    public static void main(String[] args) {
        Jedis jedis = JedisUtils.getJedis();
        System.out.println(jedis.get("name"));

    }
}

<dependencies>
  <dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.11</version>
    <scope>test</scope>
  </dependency>
  <dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>2.6.0</version>
  </dependency>
  <dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-lang3</artifactId>
    <version>3.5</version>
  </dependency>
</dependencies>