java之jedis使用

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# Redis settings
redis.host=192.168.208.153
redis.port=6379
redis.pass=1234
redis.timeout=10000

redis.maxIdle=300
redis.maxTotal=600
# 毫秒
redis.maxWaitMillis=1000

redis.properties

package com.zze.util;

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

/**
 * 属性文件加载工具类
 * @author zze
 */
public class PropertyUtil {

    //加载property文件到io流里面
    public static Properties loadProperties(String propertyFile) {
        Properties properties = new Properties();
        try {
            InputStream is = PropertyUtil.class.getClassLoader().getResourceAsStream(propertyFile);
            if (is == null) {
                is = PropertyUtil.class.getClassLoader().getResourceAsStream("properties/" + propertyFile);
            }
            properties.load(is);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return properties;
    }

    /**
     * 根据key值取得对应的value值
     *
     * @param key
     * @return
     */
    public static String getValue(String propertyFile, String key) {
        Properties properties = loadProperties(propertyFile);
        return properties.getProperty(key);
    }

}

com.zze.util.PropertyUtil

package com.zze.util;

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

import java.util.Properties;
@SuppressWarnings("all")
public class RedisClient {
    //连接池
    private static JedisPool jedisPool;

    static {
        try {
            Properties properties = PropertyUtil.loadProperties("redis.properties");
            String host = properties.getProperty("redis.host");
            String port = properties.getProperty("redis.port");
            String pass = properties.getProperty("redis.pass");
            String timeout = properties.getProperty("redis.timeout");
            String maxIdle = properties.getProperty("redis.maxIdle");
            String maxTotal = properties.getProperty("redis.maxTotal");
            String maxWaitMillis = properties.getProperty("redis.maxWaitMillis");
            String testOnBorrow = properties.getProperty("redis.testOnBorrow");

            JedisPoolConfig config = new JedisPoolConfig();
            //控制一个pool可分配多少个jedis实例，通过pool.getResource()来获取；
            //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)。
            config.setMaxTotal(Integer.parseInt(maxTotal));
            //控制一个pool最多有多少个状态为idle(空闲的)的jedis实例。
            config.setMaxIdle(Integer.parseInt(maxIdle));
            //表示当borrow(引入)一个jedis实例时，最大的等待时间，如果超过等待时间，则直接抛出JedisConnectionException；
            config.setMaxWaitMillis(Long.parseLong(maxWaitMillis));
            //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；
            config.setTestOnBorrow(Boolean.valueOf(testOnBorrow));
            jedisPool = new JedisPool(config, host, Integer.parseInt(port), Integer.parseInt(timeout), pass);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //获取Redis资源
    public synchronized static Jedis getJedis() {
        try {
            if (jedisPool != null) {
                Jedis jedis = jedisPool.getResource();
                return jedis;
            } else {
                return null;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    //释放redis资源
    public synchronized static void releaseConn(Jedis jedis) {
        if (jedisPool != null) {
            jedis.close();
        }
    }
}

com.zze.util.RedisClient

@Test
public void test2(){
    Jedis jedis = RedisClient.getJedis();
    jedis.set("name", "张三");
    String name = jedis.get("name");
    System.out.println(name);
}