package com.itheima.test;


import org.junit.Test;
import redis.clients.jedis.Jedis;

import java.util.Set;


/**
 * 使用Jedis操作Redis
 */
public class JedisTest {

    @Test
    public void testRedis(){
        //1、获取连接
        Jedis jedis = new Jedis("localhost", 6379);

        //2、执行具体操作
        jedis.set("username", "xiaoming");
        String username = jedis.get("username");
        System.out.println(username);

        jedis.hset("myhash", "addr", "beijing");
        String addr = jedis.hget("myhash", "addr");
        System.out.println(addr);
        Set<String> keys = jedis.keys("*");
        System.out.println(keys.toString());


//        jedis.del("username");
        //3、关闭连接
        jedis.close();

    }
}

spring:
  application:
    name: springdataredis_demo
  #Redis相关配置
  redis:
    host: localhost
    port: 6379
    #password: 130740
    database: 0     # redis默认提供了16个数据库，默认进入0号数据库执行操作
    jedis:
      #Redis连接池配置
      pool:
        max-active: 8 #最大连接数
        max-wait: 1ms  # 连接池最大阻塞等待时间
        max-idle: 4  # 连接池中最大的空闲连接
        min-idle: 0  # 连接池中最小的空闲连接

package com.itheima.config;

import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * Redis配置类
 */
@Configuration
public class RedisConfig extends CachingConfigurerSupport {

    @Bean
    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory connectionFactory){
        RedisTemplate<Object, Object> redisTemplate = new RedisTemplate<>();

        //默认的Key序列化器为：JdkSerializationRedisSerializer
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());

        redisTemplate.setConnectionFactory(connectionFactory);
        return redisTemplate;
    }
}

package com.itheima;

import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
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 org.springframework.test.context.junit4.SpringRunner;

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

@SpringBootTest
@RunWith(SpringRunner.class)
class SpringdataredisDemoApplicationTests {

    //springboot框架自动装配RedisTemplate类
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 操作string类型数据
     */
    @Test
    public void testString(){
        redisTemplate.opsForValue().set("city123", "shanghai");
        String value = (String) redisTemplate.opsForValue().get("city123");
        System.out.println(value);

        redisTemplate.opsForValue().set("key1", "value1", 10L, TimeUnit.SECONDS);
        Boolean aBoolean = redisTemplate.opsForValue().setIfAbsent("city1234", "nanjing");
        System.out.println(aBoolean);
    }

    /**
     * 操作Hash类型数据
     */
    @Test
    public void testHash(){
        HashOperations hashOperations = redisTemplate.opsForHash();
        //存值
        hashOperations.put("002", "name", "xiaoming");
        hashOperations.put("002", "age", "20");
        hashOperations.put("002",  "addr", "anhui");
        //取值
        String age = (String)hashOperations.get("002", "age");
        System.out.println(age);

        //获得hash结构中的所有字段
        Set keys = hashOperations.keys("002");
        System.out.println(keys.toString());
        //获取hash结构中所有的值
        List values = hashOperations.values("002");
        System.out.println(values.toString());
    }

    /**
     * 操作list类型数据
     */
    @Test
    public void testList(){
        ListOperations listOperations = redisTemplate.opsForList();
        //存值
        listOperations.leftPush("mylist", "a");
        listOperations.leftPushAll("mylist", "b", "c", "d");

        //取值
        List<String> mylist = listOperations.range("mylist", 0, -1);
        for(String value : mylist){
            System.out.println(value);
        }

        //获得列表长度
        Long size = listOperations.size("mylist");
        int lsize = size.intValue();
        for (int i = 0; i < lsize; i++) {
            //出队列
            String element = (String)listOperations.rightPop("mylist");
            System.out.println(element);
        }


    }

    /**
     * 操作set类型数据
     */
    @Test
    public void testSet(){
        SetOperations setOperations = redisTemplate.opsForSet();

        //存值
        setOperations.add("myset", "a", "b", "c", "a");

        //取值
        Set<String> myset = setOperations.members("myset");
        for (String s : myset) {
            System.out.println(s);
        }

        //删除成员
        setOperations.remove("myset", "a", "b");

        //取值
        myset = setOperations.members("myset");
        for (String s : myset) {
            System.out.println(s);
        }
    }

    /**
     * 操作ZSet类型的数据
     */
    @Test
    public void testZSet(){
        ZSetOperations zSetOperations = redisTemplate.opsForZSet();
        //存值
        zSetOperations.add("myZset", "a", 10.0);
        zSetOperations.add("myZset", "b", 11.0);
        zSetOperations.add("myZset", "c", 12.0);
        zSetOperations.add("myZset", "a", 13.0);
        //取值
        Set<String> myZset = zSetOperations.range("myZset", 0, -1);
        for (String s : myZset) {
            System.out.println(s);
        }
        //修改分数
        zSetOperations.incrementScore("myZset", "b", 20.0);
        myZset = zSetOperations.range("myZset", 0, -1);
        for (String s : myZset) {
            System.out.println(s);
        }
        //删除成员
        zSetOperations.remove("myZset", "a", "b");
        myZset = zSetOperations.range("myZset", 0, -1);
        for (String s : myZset) {
            System.out.println(s);
        }

    }


    /**
     * 通用操作，针对不同的数据类型都可以操作
     */
    @Test
    public void testCommon(){
        //获取Redis中所欲的key
        Set keys = redisTemplate.keys("*");
        for (Object key : keys) {
            System.out.println(key);
        }
        //判断某个key是否存在
        Boolean itcast = redisTemplate.hasKey("itcast");
        System.out.println(itcast);
        //删除指定key
        redisTemplate.delete("city123");
        //获取指定key对应的value的数据类型
        DataType myset = redisTemplate.type("myset");
        System.out.println(myset.name());
    }




}