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通过Java的api操作redis
阅读量:4044 次
发布时间:2019-05-24

本文共 5819 字,大约阅读时间需要 19 分钟。

通过Java的api操作redis

package com.zhou.wenda.util;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONObject;import com.zhou.wenda.model.User;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import redis.clients.jedis.*;import java.util.List;public class JedisAdapter {    private static final Logger log = LoggerFactory.getLogger(JedisAdapter.class);    private JedisPool pool;    public static void print(int index,Object obj){        System.out.println(String.format("%d,%s",index,obj.toString()));    }    public static void main(String[] args) {        Jedis jedis = new Jedis("redis://10.43.33.178:6379/9");        jedis.flushDB();//清空9数据库        //jedis.flushAll();//清空0-15数据库,全部16个数据库        // get set        jedis.set("hello", "world");        print(1, jedis.get("hello"));        jedis.rename("hello", "newhello");        print(1, jedis.get("newhello"));        jedis.setex("hello2", 1800, "world");        //        jedis.set("pv", "100");        jedis.incr("pv");//加1        jedis.incrBy("pv", 5);//加5        print(2, jedis.get("pv"));        jedis.decrBy("pv", 2);//减2        print(2, jedis.get("pv"));        print(3, jedis.keys("*"));        String listName = "list";        jedis.del(listName);        for (int i = 0; i < 10; ++i) {            jedis.lpush(listName, "a" + String.valueOf(i));        }        print(4, jedis.lrange(listName, 0, 12));        print(4, jedis.lrange(listName, 0, 3));        print(5, jedis.llen(listName));//长度        print(6, jedis.lpop(listName));//弹出一个,长度减1        print(7, jedis.llen(listName));        print(8, jedis.lrange(listName, 2, 6));        print(9, jedis.lindex(listName, 3));        print(10, jedis.linsert(listName, BinaryClient.LIST_POSITION.AFTER, "a4", "xx"));        print(10, jedis.linsert(listName, BinaryClient.LIST_POSITION.BEFORE, "a4", "bb"));        print(11, jedis.lrange(listName, 0 ,12));        // hash        String userKey = "userxx";        jedis.hset(userKey, "name", "jim");        jedis.hset(userKey, "age", "12");        jedis.hset(userKey, "phone", "18618181818");        print(12, jedis.hget(userKey, "name"));        print(13, jedis.hgetAll(userKey));        jedis.hdel(userKey, "phone");        print(14, jedis.hgetAll(userKey));        print(15, jedis.hexists(userKey, "email"));        print(16, jedis.hexists(userKey, "age"));        print(17, jedis.hkeys(userKey));        print(18, jedis.hvals(userKey));        jedis.hsetnx(userKey, "school", "zju");        jedis.hsetnx(userKey, "name", "yxy");        print(19, jedis.hgetAll(userKey));        // set        String likeKey1 = "commentLike1";        String likeKey2 = "commentLike2";        for (int i = 0; i < 10; ++i) {            jedis.sadd(likeKey1, String.valueOf(i));            jedis.sadd(likeKey2, String.valueOf(i*i));        }        print(20, jedis.smembers(likeKey1));        print(21, jedis.smembers(likeKey2));        print(22, jedis.sunion(likeKey1, likeKey2));        print(23, jedis.sdiff(likeKey1, likeKey2));        print(24, jedis.sinter(likeKey1, likeKey2));        print(25, jedis.sismember(likeKey1, "12"));        print(26, jedis.sismember(likeKey2, "16"));        jedis.srem(likeKey1, "5");        print(27, jedis.smembers(likeKey1));        jedis.smove(likeKey2, likeKey1, "25");        print(28, jedis.smembers(likeKey1));        print(29, jedis.scard(likeKey1));        String rankKey = "rankKey";        jedis.zadd(rankKey, 15, "jim");        jedis.zadd(rankKey, 60, "Ben");        jedis.zadd(rankKey, 90, "Lee");        jedis.zadd(rankKey, 75, "Lucy");        jedis.zadd(rankKey, 80, "Mei");        print(30, jedis.zcard(rankKey));        print(31, jedis.zcount(rankKey, 61, 100));        print(32, jedis.zscore(rankKey, "Lucy"));        jedis.zincrby(rankKey, 2, "Lucy");        print(33, jedis.zscore(rankKey, "Lucy"));        jedis.zincrby(rankKey, 2, "Luc");        print(34, jedis.zscore(rankKey, "Luc"));        print(35, jedis.zrange(rankKey, 0, 100));        print(36, jedis.zrange(rankKey, 0, 10));        print(36, jedis.zrange(rankKey, 1, 3));        print(36, jedis.zrevrange(rankKey, 1, 3));        for (Tuple tuple : jedis.zrangeByScoreWithScores(rankKey, "60", "100")) {            print(37, tuple.getElement() + ":" + String.valueOf(tuple.getScore()));        }        print(38, jedis.zrank(rankKey, "Ben"));        print(39, jedis.zrevrank(rankKey, "Ben"));        String setKey = "zset";        jedis.zadd(setKey, 1, "a");        jedis.zadd(setKey, 1, "b");        jedis.zadd(setKey, 1, "c");        jedis.zadd(setKey, 1, "d");        jedis.zadd(setKey, 1, "e");        print(40, jedis.zlexcount(setKey, "-", "+"));        print(41, jedis.zlexcount(setKey, "(b", "[d"));        print(42, jedis.zlexcount(setKey, "[b", "[d"));        jedis.zrem(setKey, "b");        print(43, jedis.zrange(setKey, 0, 10));        jedis.zremrangeByLex(setKey, "(c", "+");        print(44, jedis.zrange(setKey, 0 ,2));        /*        JedisPool pool = new JedisPool();        for (int i = 0; i < 100; ++i) {            Jedis j = pool.getResource();            print(45, j.get("pv"));            j.close();        }*/        User user = new User();        user.setName("xx");        user.setPassword("ppp");        user.setHeadUrl("a.png");        user.setSalt("salt");        user.setId(1);        print(46, JSONObject.toJSONString(user));        jedis.set("user1", JSONObject.toJSONString(user));        String value = jedis.get("user1");        User user2 = JSON.parseObject(value, User.class);        print(47, user2);        int k = 2;        try {            Transaction tx = jedis.multi();            tx.zadd("qq", 2, "1");            tx.zadd("qq2", 3, "2");            List objs = tx.exec();            tx.close();        } catch (Exception e) {            e.printStackTrace();        } finally {        }        k = 2;    }}

 

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