Jedis

Jedis: 一款java操作redis数据库的工具.
* Jedis操作各种redis中的数据结构
		1) 字符串类型 string
			set
			get
		2) 哈希类型 hash ： map格式  
			hset
			hget
			hgetAll
		3) 列表类型 list ： linkedlist格式。支持重复元素
			lpush / rpush
			lpop / rpop
			lrange start end : 范围获取
		4) 集合类型 set  ： 不允许重复元素
			sadd
			smembers:获取所有元素
		5) 有序集合类型 sortedset：不允许重复元素，且元素有顺序
			zadd
			zrange

JedisTest

import com.code_g.util.JedisPoolUtils;
import org.junit.Test;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class TestJedis {

    //简单使用jedis
    @Test
    public void testJedis1(){
        Jedis jedis = new Jedis("localhost",6379);
        jedis.set("username","zhangsan");
        //关闭连接
        jedis.close();
    }

    //操作String
    @Test
    public void testJedis2(){
        Jedis jedis = new Jedis();//默认localhost：6379
        jedis.set("password","123456");
        String password = jedis.get("password");
        System.out.println(password);
        //存储键值对，10秒后自动删除
        jedis.setex("activecode",10,"dasc");
        jedis.close();
    }


    //操作hash数据结构
    @Test
    public void testJedis3(){
        Jedis jedis = new Jedis();//默认localhost：6379
        jedis.hset("user","name","code_g");
        jedis.hset("user","age","18");
        jedis.hset("user","gender","male");

        //获得name值
        String name = jedis.hget("user", "name");
        System.out.println(name);

        //获得所有键值对
        Map<String, String> user = jedis.hgetAll("user");
        Set<String> keySet = user.keySet();
        for (String s : keySet) {
            String value = user.get(s);
            System.out.println(s  + " : " + value);
        }

        jedis.close();
    }


        //操作list
        @Test
        public void testJedis4(){

            Jedis jedis = new Jedis();

            jedis.lpush("charlist","a","b","c");
            jedis.rpush("charlist","a","b","c");

            String s = jedis.lpop("charlist");
            System.out.println(s);
            String s1 = jedis.rpop("charlist");
            System.out.println(s1);


            List<String> charlist = jedis.lrange("charlist", 0, -1);
            System.out.println(charlist);

            jedis.close();
        }

    //操作set
    @Test
    public void testJedis5(){

        Jedis jedis = new Jedis();

        jedis.sadd("myset","java","python","javascript");
        Set<String> myset = jedis.smembers("myset");
        System.out.println(myset);

        jedis.close();
    }


    //操作sortedset
    @Test
    public void testJedis6(){

        Jedis jedis = new Jedis();

        jedis.zadd("mysortedset",3,"go");
        jedis.zadd("mysortedset",50,"php");
        jedis.zadd("mysortedset",70,"c++");

        Set<String> mysortedset = jedis.zrange("mysortedset", 0, -1);
        System.out.println(mysortedset);

        jedis.close();
    }

    //jedis连接池
    @Test
    public void testJedis7() {
        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
        jedisPoolConfig.setMaxTotal(50);
        jedisPoolConfig.setMaxIdle(10);
        JedisPool jedisPool = new JedisPool(jedisPoolConfig,"localhost",6379);
        Jedis jedis = jedisPool.getResource();
        jedis.set("gender","female");
        jedis.close();
    }