Redis 黑马skyout

sql 复制代码

> localhost connected!
> get name
jack
> setex code 30 1234
OK
> get code
1234
> setnx code1 114514//不可修改

sql 复制代码

> hset 001 name xm
1
> hset 001 age 22
1
> hkeys 001
name
age
> hvals 001
xm
22

sql 复制代码

package com.sky.test;


import org.apache.el.parser.BooleanNode;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.redis.connection.DataType;
import org.springframework.data.redis.core.*;

import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.TimeUnit;

@SpringBootTest
public class SpringDataRedisTest {
    @Autowired
    private RedisTemplate redisTemplate;

    @Test
    public void testRedis(){
        ValueOperations valueOperations = redisTemplate.opsForValue();
        HashOperations hashOperations = redisTemplate.opsForHash();
        ListOperations listOperations = redisTemplate.opsForList();
        SetOperations setOperations = redisTemplate.opsForSet();
        ZSetOperations zSetOperations = redisTemplate.opsForZSet();
    }

    /**
     * 操作字符串类型
     */
    @Test
    public void testString(){
        redisTemplate.opsForValue().set("city","北京");
        Object city = redisTemplate.opsForValue().get("city");
        System.out.println(city);
        redisTemplate.opsForValue().set("code","1234",3, TimeUnit.MINUTES);
        redisTemplate.opsForValue().setIfAbsent("lock","1");
        redisTemplate.opsForValue().setIfAbsent("lock","2");
    }

    /**
     * 操作hash类型
     */
    @Test
    public void testHash(){
        HashOperations hashOperations = redisTemplate.opsForHash();

        hashOperations.put("100","name","tom");
        hashOperations.put("100","age","20");

        String name = (String) hashOperations.get("100","name");
        System.out.println(name);

        Set keys = hashOperations.keys("100");
        System.out.println(keys);

        List values = hashOperations.values("100");
        System.out.println(values);

        hashOperations.delete("100","age");

    }

    /**
     * 操作list类型
     */
    @Test
    public void testList(){
        ListOperations listOperations = redisTemplate.opsForList();

        listOperations.leftPushAll("mylist","a","b","c");
        listOperations.leftPush("mylist","d");

        List mylist = listOperations.range("mylist",0,-1);
        System.out.println(mylist);
        listOperations.rightPop("mylist");
        Long size = listOperations.size("mylist");
        System.out.println(size);
    }
    /**
     * 操作set类型
     */
    //sadd smembers scard sinter sunion srem
    @Test
    public void testSet(){
        SetOperations setOperations = redisTemplate.opsForSet();
        setOperations.add("mySet1","a","b","c");
        setOperations.add("mySet2","a","b","d");

        Set members = setOperations.members("myset1");
        System.out.println(members);

        Long size = setOperations.size("mySet1");
        System.out.println(size);

        Set intersect = setOperations.intersect("mySet1","mySet2");
        System.out.println(intersect);

        Set union = setOperations.union("mySet1","mySet2");
        System.out.println(union);

        setOperations.remove("mySet1","a","b");

    }

    /**
     * 操作zset类型
     */
    @Test
    public void testZSet(){
        ZSetOperations zSetOperations = redisTemplate.opsForZSet();

        zSetOperations.add("myzset", "tom", 10);
        zSetOperations.add("myzset", "jerry", 20);
        zSetOperations.add("myzset", "lucy", 30);

        Set zset1 = zSetOperations.range("myzset",0,-1);
        System.out.println(zset1);
    }

    /**
     * 通用命令
     */
    @Test
    public void testCommon(){
    //keys exists type del
        Set keys = redisTemplate.keys("*");
        System.out.println(keys);

        Boolean name = redisTemplate.hasKey("*");
        Boolean set1 = redisTemplate.hasKey("set1");

        for (Object key : keys){
            DataType type = redisTemplate.type(key);
            System.out.println(type.name());

        }
    }
}