jedis

• jedis官方指定的redis java客户端，将其导入到pom.xml问价内

<!-- https://mvnrepository.com/artifact/redis.clients/jedis -->
<dependency><groupId>redis.clients</groupId><artifactId>jedis</artifactId><version>3.1.0</version>
</dependency>

• 部分的相关操作如下
• 源码和注解如下

package com.example.demo;import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;import java.util.List;
import java.util.Set;public class RedisDemo {//Ip:192.168.133.130;port:10190//定义连接池private static JedisPool jedisPool = null;//初始化private static void init(){//Jedis池配置JedisPoolConfig config = new JedisPoolConfig();//最大空闲连接数config.setMaxIdle(8);//最大的连接数config.setMaxTotal(100);//设置获取连接的最大等待时间，如果超过这个时间没有链接，就会抛出异常config.setMaxWaitMillis(1000);//在创建一个连接时，是否去校验true是校验config.setTestOnBorrow(false);jedisPool = new JedisPool(config,"192.168.133.130",10190,5000);}//操作字符串public static void testString(){//获取jedis实例，从jedisPool里面//操作redis客户端的类创建完毕Jedis jedis = jedisPool.getResource();//设置keyjedis.set("test_key","123");//直接输出到界面上System.out.println("test_key:"+jedis.get("test_key"));//自增jedis.incr("test_key");System.out.println("test_key:"+jedis.get("test_key"));//自减jedis.decr("test_key");System.out.println("test_key:"+jedis.get("test_key"));//查询类型System.out.println("type:"+jedis.type("test_key"));//删除key
//        jedis.del("test_key");//设置key的超时时间jedis.expire("test_key",10);//10秒//关闭连接jedis.close();}//Listpublic static void testList(){//获取连接Jedis jedis = jedisPool.getResource();//预先删除keyjedis.del("test_list");//在list左边插入元素//增加listjedis.lpush("test_list","a");jedis.lpush("test_list","b");jedis.lpush("test_list","c");jedis.lpush("test_list","1");jedis.lpush("test_list","2");jedis.lpush("test_list","3");jedis.lpush("test_list","4");//查询listList<String> list = jedis.lrange("test_list",0,-1);list.forEach(i->{System.out.println(i);});//关闭连接jedis.close();}//操作集合public static void testSet(){//获取连接Jedis jedis = jedisPool.getResource();String key = "test_set";jedis.del(key);//添加元素jedis.sadd(key,"hello","cc");//获取元素Set<String>set = jedis.smembers(key);System.out.println("all members"+set);//集合的长度System.out.println("set的长度"+jedis.scard(key));//查看元素是否在集合里面System.out.println("cc元素是否在集合里面"+jedis.sismember(key,"cc"));//随机删除System.out.println("随机删除元素:"+jedis.spop(key));//集合的相关操作String test_set1 = "test_set1";String test_set2 = "test_set2";jedis.sadd(test_set1,"a","b","c","d");jedis.sadd(test_set2,"b","c","e");//交集Set<String>sets = jedis.sinter(test_set1,test_set2);System.out.println("test1和test2的交集："+sets);//差集sets = jedis.sdiff(test_set1,test_set2);System.out.println("test1和test2的差集："+sets);//并集sets = jedis.sunion(test_set1,test_set2);System.out.println("test1和test2的并集："+sets);//关闭连接jedis.close();}public static void main(String[] args) {//初始化连接init();//字符串相关的操作testString();//List相关操作testList();//set相关操作testSet();}
}