Redis简单介绍和安装以及Jedis客户端使用

$sudo apt-get update
$sudo apt-get install redis-server

$redis-server

$redis-cli -p 端口 -a 密码

redis 127.0.0.1:6379>

redis 127.0.0.1:6379> ping 
PONG

requirepass mima

/etc/init.d/reids-server restart

set name wangnian
ok

get name
"wangnian"

 config get *

<!--redis客户端-->
<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>2.8.1</version>
</dependency>

package redis;

import com.alibaba.fastjson.JSON;
import org.junit.Test;
import redis.clients.jedis.Jedis;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * Created by wangnian on 2016/5/2.
 * 博客地址：http://my.oschina.net/wangnian
 */
public class JedisTest {
    @Test
    public void test() throws InterruptedException {
        Jedis jedis=new Jedis("127.0.0.1",6379);
        jedis.auth("mima");

         //key-value
        jedis.set("name","张三");//添加值
        String x= jedis.get("name");  //查询值
        System.out.println(x);
        jedis.setex("name",2,"李四");  //设置有效期
        for(int i=1;i<4;i++){
            System.out.println("等待"+i+"秒");
            Thread.sleep(1000);
        }
        String x1= jedis.get("name"); //查询值
        System.out.println(x1);
        jedis.mset("name","张三","name1","王五");//同时设置多个
        String x2= jedis.get("name1");  //查询值
        System.out.println(x2);
        jedis.append("name1",",你好啊");   //追加内容
        String x3= jedis.get("name1");//查询值
        System.out.println(x3);
        List<String> list= jedis.mget("name","name1");//同时取多个key
        System.out.println(list.size());

        //使用hashs存储 是一个String类型的field和value的
        jedis.hset("student","name","张三");
        String x4= jedis.hget("student","name");  //查询值
        System.out.println(x4);
        Map<String,String> map=new HashMap<String, String>(); //批量存储值
        map.put("name","张三");
        map.put("age","22");
        map.put("sex","男");
        jedis.hmset("student1",map);
        String x5= jedis.hget("student1","sex"); //查询值
        System.out.println(x5);
        List<String> list1= jedis.hmget("student1","name","age","sex");//查询多个指
        Map<String,String>  map1=jedis.hgetAll("student1");//取key全部

        //lists链表结构
        jedis.lpush("list","张三1");//在list首部添加元素
        jedis.lpush("list","张三2");
        jedis.rpush("list","张三3");//在list尾部添加元素
        jedis.rpush("list","张三4");
        List<String> list2= jedis.lrange("list",0,0);//获取list指定区间的元素
        System.out.println(JSON.toJSON(list2));
        jedis.lpop("list");//删除首部元素
        jedis.rpop("list");//删除尾部元素
        jedis.llen("list");//获取长度


        //sets数据结构 用来存储一个没有重复元素的集合
        jedis.sadd("set1","wangnian");
        jedis.sadd("set1","wangnian1");
        jedis.srem("set1","wangnian1");//移除value为wangnian1的元素
        Set<String> set= jedis.smembers("set1");
        System.out.println(set.size());

        //sorted sets 是sets的升级版，增加了一个排序的熟悉
        jedis.zadd("set2",1,"我是第一个元素");
        jedis.zadd("set2",2,"我是第二个元素");
        Set<String> set1=jedis.zrange("set2",0,0);
        System.out.println(set1.size());
        for (String str:set1){
            System.out.println(str);
        }
        Set<String> set2=jedis.zrevrange("set2",0,0);
        System.out.println(set2.size());
        for (String str:set2){
            System.out.println(str);
        }
    }
}