jedis简单使用-蒲公英云

jedis简单使用

Dear 丶 2023-03-13 06:12 38阅读 0赞

jedis简单使用

- 导入相关jar包
- jedis的简单操作
- redis中文显示

导入相关jar包

<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>3.2.0</version>
</dependency>
<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-pool2</artifactId>
    <version>2.8.0</version>
</dependency>

jedis的简单操作

public class JedisTest { 
    private Jedis jedis;
    @Before
    public void init(){ 
        jedis = new Jedis("192.168.0.130", 6379);
    }
    @Test
    public void keysTest(){ 
        Set<String> keys = jedis.keys("*");
        for (String key : keys) { 
            System.out.println(key + "\t" + jedis.get(key));
        }
        System.out.println(jedis.exists("test"));
        System.out.println(jedis.ttl("test"));
    }
    @Test
    public void stringTest(){ 
        jedis.append("k1","myreids");
        System.out.println(jedis.get("k1"));
        jedis.set("k4","k4_redis");
        System.out.println("----------------------------------------");
        jedis.mset("str1","v1","str2","v2","str3","v3");
        System.out.println(jedis.mget("str1","str2","str3"));
    }
    @Test
    public void listTest(){ 
        Long mylist = jedis.lpush("mylist", "v1", "v2", "v3", "v4");
        System.out.println(mylist);
        List<String> list = jedis.lrange("mylist", 0L, -1L);
        list.forEach(System.out::println);
    }
    @Test
    public void setTest(){ 
        jedis.sadd("myset", "001");
        jedis.sadd("myset", "002");
        jedis.sadd("myset", "003");
        jedis.sadd("myset", "004");
        Set<String> myset = jedis.smembers("myset");
        myset.forEach(System.out::println);
        System.out.println(myset.size());
        jedis.srem("myset","002");
        myset = jedis.smembers("myset");
        myset.forEach(System.out::println);
        System.out.println(myset.size());
    }
    @Test
    public void hashTest(){ 
        jedis.hset("hash1", "username", "lisi");
        System.out.println(jedis.hget("hash1", "username"));
        Map<String, String> map = new HashMap<>();
        map.put("add", "beijing");
        map.put("name", "zhangsan");
        map.put("gender", "男");
        Long aLong = jedis.hset("myhash", map);
        System.out.println(aLong);
        List<String> myhash = jedis.hvals("myhash");
        myhash.forEach(System.out::println);
    }
    @Test
    public void zsetTest(){ 
        jedis.zadd("myzset",60d,"v1");
        jedis.zadd("myzset",70d,"v2");
        jedis.zadd("myzset",80d,"v3");
        jedis.zadd("myzset",90d,"v4");
        Set<String> myzset = jedis.zrange("myzset", 0, -1);
        myzset.forEach(System.out::println);
    }
}

redis中文显示

在启动redis-cli的时候加上 --raw 即可

[root@localhost src]# ./redis-cli -p 6379
127.0.0.1:6379> set name 张三
OK
127.0.0.1:6379> get name
"\xe5\xbc\xa0\xe4\xb8\x89"
127.0.0.1:6379> exit
[root@localhost src]# ./redis-cli -p 6379 --raw
127.0.0.1:6379> get name
张三
127.0.0.1:6379>