方法一

maven导包

 <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-data-redis</artifactId>
 </dependency>

config配置类

import com.alibaba.fastjson.support.spring.FastJsonRedisSerializer;
import com.alibaba.fastjson.support.spring.GenericFastJsonRedisSerializer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.RedisTemplate;

/**
 * <p>Description: redis配置类</p >
 * <p>Copyright: Copyright (c) 2022</p >
 *
 * @author zhunter
 * @version 1.0
 * @date 2022-09-05-18:01
 */
@Configuration
public class RedisTemplateConfig {

    @Autowired
    private RedisTemplate redisTemplate;

    @Bean
    public RedisTemplate redisTemplateInit() {
        //设置序列化Key的实例化对象
        redisTemplate.setKeySerializer(new GenericFastJsonRedisSerializer());
        //设置序列化Value的实例化对象
        redisTemplate.setValueSerializer(new GenericFastJsonRedisSerializer());
        //设置序列化HashKey的实例化对象 不用hash结构这俩不用搞了
        redisTemplate.setHashKeySerializer(new GenericFastJsonRedisSerializer());
        //设置序列化Hash Value的实例化对象
        redisTemplate.setHashValueSerializer(new GenericFastJsonRedisSerializer());
        //对object 类型的序列化
        redisTemplate.setDefaultSerializer(new FastJsonRedisSerializer<>(Object.class));
        return redisTemplate;
        //GenericFastJsonRedisSerializer 序列化器
        // 不用fastJSON也可以用 springboot 自带的Jackson 的 GenericJackson2JsonRedisSerializer
    }
}

util工具类

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * <p>Description: 功能描述</p >
 * <p>Copyright: Copyright (c) 2022</p >
 *
 * @author zhunter
 * @version 1.0
 * @date 2022-09-06-16:22
 */

@Component
public final class RedisUtil {

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    // =============================common============================

    /**
     * 指定缓存失效时间
     *
     * @param key  键
     * @param time 时间(秒)
     */
    public boolean expire(String key, long time) {
        try {
            if (time > 0) {
                redisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    /**
     * 根据key 获取过期时间
     *
     * @param key 键 不能为null
     * @return 时间(秒) 返回0代表为永久有效
     */
    public long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }


    /**
     * 判断key是否存在
     *
     * @param key 键
     * @return true 存在 false不存在
     */
    public boolean hasKey(String key) {
        try {
            return redisTemplate.hasKey(key);
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 删除缓存
     *
     * @param key 可以传一个值 或多个
     */
    @SuppressWarnings("unchecked")
    public void del(String... key) {
        if (key != null && key.length > 0) {
            if (key.length == 1) {
                redisTemplate.delete(key[0]);
            } else {
                redisTemplate.delete(CollectionUtils.arrayToList(key));
            }
        }
    }


    // ============================String=============================

    /**
     * 普通缓存获取
     *
     * @param key 键
     * @return 值
     */
    public Object get(String key) {
        return key == null ? null : redisTemplate.opsForValue().get(key);
    }

    /**
     * 普通缓存放入
     *
     * @param key   键
     * @param value 值
     * @return true成功 false失败
     */

    public boolean set(String key, Object value) {
        try {
            redisTemplate.opsForValue().set(key, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 普通缓存放入并设置时间
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒) time要大于0 如果time小于等于0 将设置无限期
     * @return true成功 false 失败
     */

    public boolean set(String key, Object value, long time) {
        try {
            if (time > 0) {
                redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
            } else {
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 递增
     *
     * @param key   键
     * @param delta 要增加几(大于0)
     */
    public long incr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递增因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, delta);
    }


    /**
     * 递减
     *
     * @param key   键
     * @param delta 要减少几(小于0)
     */
    public long decr(String key, long delta) {
        if (delta < 0) {
            throw new RuntimeException("递减因子必须大于0");
        }
        return redisTemplate.opsForValue().increment(key, -delta);
    }


    // ================================Map=================================

    /**
     * HashGet
     *
     * @param key  键 不能为null
     * @param item 项 不能为null
     */
    public Object hget(String key, String item) {
        return redisTemplate.opsForHash().get(key, item);
    }

    /**
     * 获取hashKey对应的所有键值
     *
     * @param key 键
     * @return 对应的多个键值
     */
    public Map<Object, Object> hmget(String key) {
        return redisTemplate.opsForHash().entries(key);
    }

    /**
     * HashSet
     *
     * @param key 键
     * @param map 对应多个键值
     */
    public boolean hmset(String key, Map<String, Object> map) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * HashSet 并设置时间
     *
     * @param key  键
     * @param map  对应多个键值
     * @param time 时间(秒)
     * @return true成功 false失败
     */
    public boolean hmset(String key, Map<String, Object> map, long time) {
        try {
            redisTemplate.opsForHash().putAll(key, map);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 向一张hash表中放入数据,如果不存在将创建
     *
     * @param key   键
     * @param item  项
     * @param value 值
     * @return true 成功 false失败
     */
    public boolean hset(String key, String item, Object value) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    /**
     * 向一张hash表中放入数据,如果不存在将创建
     *
     * @param key   键
     * @param item  项
     * @param value 值
     * @param time  时间(秒) 注意:如果已存在的hash表有时间,这里将会替换原有的时间
     * @return true 成功 false失败
     */
    public boolean hset(String key, String item, Object value, long time) {
        try {
            redisTemplate.opsForHash().put(key, item, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 删除hash表中的值
     *
     * @param key  键 不能为null
     * @param item 项 可以使多个 不能为null
     */
    public void hdel(String key, Object... item) {
        redisTemplate.opsForHash().delete(key, item);
    }


    /**
     * 判断hash表中是否有该项的值
     *
     * @param key  键 不能为null
     * @param item 项 不能为null
     * @return true 存在 false不存在
     */
    public boolean hHasKey(String key, String item) {
        return redisTemplate.opsForHash().hasKey(key, item);
    }


    /**
     * hash递增 如果不存在,就会创建一个 并把新增后的值返回
     *
     * @param key  键
     * @param item 项
     * @param by   要增加几(大于0)
     */
    public double hincr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, by);
    }


    /**
     * hash递减
     *
     * @param key  键
     * @param item 项
     * @param by   要减少记(小于0)
     */
    public double hdecr(String key, String item, double by) {
        return redisTemplate.opsForHash().increment(key, item, -by);
    }


    // ============================set=============================

    /**
     * 根据key获取Set中的所有值
     *
     * @param key 键
     */
    public Set<Object> sGet(String key) {
        try {
            return redisTemplate.opsForSet().members(key);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }


    /**
     * 根据value从一个set中查询,是否存在
     *
     * @param key   键
     * @param value 值
     * @return true 存在 false不存在
     */
    public boolean sHasKey(String key, Object value) {
        try {
            return redisTemplate.opsForSet().isMember(key, value);
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 将数据放入set缓存
     *
     * @param key    键
     * @param values 值 可以是多个
     * @return 成功个数
     */
    public long sSet(String key, Object... values) {
        try {
            return redisTemplate.opsForSet().add(key, values);
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }


    /**
     * 将set数据放入缓存
     *
     * @param key    键
     * @param time   时间(秒)
     * @param values 值 可以是多个
     * @return 成功个数
     */
    public long sSetAndTime(String key, long time, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().add(key, values);
            if (time > 0)
                expire(key, time);
            return count;
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }


    /**
     * 获取set缓存的长度
     *
     * @param key 键
     */
    public long sGetSetSize(String key) {
        try {
            return redisTemplate.opsForSet().size(key);
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }


    /**
     * 移除值为value的
     *
     * @param key    键
     * @param values 值 可以是多个
     * @return 移除的个数
     */

    public long setRemove(String key, Object... values) {
        try {
            Long count = redisTemplate.opsForSet().remove(key, values);
            return count;
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }

    // ===============================list=================================

    /**
     * 获取list缓存的内容
     *
     * @param key   键
     * @param start 开始
     * @param end   结束 0 到 -1代表所有值
     */
    public List<Object> lGet(String key, long start, long end) {
        try {
            return redisTemplate.opsForList().range(key, start, end);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }


    /**
     * 获取list缓存的长度
     *
     * @param key 键
     */
    public long lGetListSize(String key) {
        try {
            return redisTemplate.opsForList().size(key);
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }
    }


    /**
     * 通过索引 获取list中的值
     *
     * @param key   键
     * @param index 索引 index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
     */
    public Object lGetIndex(String key, long index) {
        try {
            return redisTemplate.opsForList().index(key, index);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }


    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     */
    public boolean lSet(String key, Object value) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒)
     */
    public boolean lSet(String key, Object value, long time) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            if (time > 0)
                expire(key, time);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }

    }


    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @return
     */
    public boolean lSet(String key, List<Object> value) {
        try {
            redisTemplate.opsForList().rightPushAll(key, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }

    }


    /**
     * 将list放入缓存
     *
     * @param key   键
     * @param value 值
     * @param time  时间(秒)
     * @return
     */
    public boolean lSet(String key, List<Object> value, long time) {
        try {
            redisTemplate.opsForList().rightPushAll(key, value);
            if (time > 0)
                expire(key, time);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 根据索引修改list中的某条数据
     *
     * @param key   键
     * @param index 索引
     * @param value 值
     * @return
     */

    public boolean lUpdateIndex(String key, long index, Object value) {
        try {
            redisTemplate.opsForList().set(key, index, value);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }


    /**
     * 移除N个值为value
     *
     * @param key   键
     * @param count 移除多少个
     * @param value 值
     * @return 移除的个数
     */

    public long lRemove(String key, long count, Object value) {
        try {
            Long remove = redisTemplate.opsForList().remove(key, count, value);
            return remove;
        } catch (Exception e) {
            e.printStackTrace();
            return 0;
        }

    }

}

若想添加数据到文件夹下，键值写法需要修改：

//将配置写入redis
redisUtil.set("catalog:file:"+key.toString(),config);

遍历redis缓存

/**
     * 普通缓存获取全部
     * @return 值
     */
    public HashMap<String,String> getAllStr() {
        //获取所有的key
        Set keys = redisTemplate.keys("algorithm:timeConfig:*");
        //创建集合
        HashMap map = new HashMap<>();
        //循环
        for (Object key : keys){
            //获取key对应的value
            Object value = redisTemplate.opsForValue().get(key);
            map.put(key,value);
            System.out.println(key);
            System.out.println(value);
        }
        return map;
    }

方法二

maven导包

<dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-redis</artifactId>
    </dependency>
    <dependency>
      <groupId>redis.clients</groupId>
      <artifactId>jedis</artifactId>
      <version>2.9.3</version>
    </dependency>

redis配置

# redis配置
spring.redis.database=0
spring.redis.host=127.0.0.1
spring.redis.port=6379
spring.redis.password=123456
spring.redis.timeout=
spring.redis.jedis.pool.max-active=10
spring.redis.jedis.pool.max-wait=-1
spring.redis.jedis.pool.max-idle=10
spring.redis.jedis.pool.min-idle=0

redis工具类

AbstractRedisManager

package com.chinacreator.c2.sw.video.integration.utils.redis;

import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.concurrent.TimeUnit;

@Component
public abstract class AbstractRedisManager
{
    @Resource
    protected RedisTemplate<String, Object> redisTemplate;

    public boolean expire(String key, long time) {
        if (time > 0)
        {
            return redisTemplate.expire(key, time, TimeUnit.SECONDS);
        }
        throw new IllegalArgumentException("expire time less or equal 0");
    }

    public long getExpire(String key) {
        return redisTemplate.getExpire(key, TimeUnit.SECONDS);
    }

    public boolean hasKey(String key) {
        return redisTemplate.hasKey(key);
    }

    public void del(String key) {
        redisTemplate.delete(key);
    }
}

RedisConfig

package com.chinacreator.c2.sw.video.integration.utils.redis;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
import org.springframework.data.redis.connection.jedis.JedisClientConfiguration;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import redis.clients.jedis.JedisPoolConfig;

@EnableCaching
@Configuration
public class RedisConfig {

    @Value("${spring.redis.host}")
    private String host;
    @Value("${spring.redis.database}")
    private int database;
    @Value("${spring.redis.port}")
    private int port;
    @Value("${spring.redis.password}")
    private String pwd;

    @Primary
    @Bean(name = "jedisPoolConfig")
    @ConfigurationProperties(prefix = "spring.redis.pool")
    public JedisPoolConfig jedisPoolConfig() {
        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
        jedisPoolConfig.setMaxWaitMillis(10000);
        return jedisPoolConfig;
    }

    @Bean
    public RedisConnectionFactory redisConnectionFactory(JedisPoolConfig jedisPoolConfig) {
        RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
        redisStandaloneConfiguration.setHostName(host);
        redisStandaloneConfiguration.setDatabase(database);
        redisStandaloneConfiguration.setPassword(pwd);
        redisStandaloneConfiguration.setPort(port);
        JedisClientConfiguration.JedisPoolingClientConfigurationBuilder jpcb = (JedisClientConfiguration.JedisPoolingClientConfigurationBuilder) JedisClientConfiguration.builder();
        jpcb.poolConfig(jedisPoolConfig);
        JedisClientConfiguration jedisClientConfiguration = jpcb.build();
        return new JedisConnectionFactory(redisStandaloneConfiguration, jedisClientConfiguration);
    }

    @Primary
    @Bean(name = "redisTemplate")
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(factory);
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        template.setKeySerializer(stringRedisSerializer);
        template.setHashKeySerializer(stringRedisSerializer);
        Jackson2JsonRedisSerializer redisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        template.setValueSerializer(redisSerializer);
        template.setHashValueSerializer(redisSerializer);
        template.afterPropertiesSet();
        template.setEnableTransactionSupport(true);
        return template;
    }

}

RedisHashManager

package com.chinacreator.c2.sw.video.integration.utils.redis;

import org.springframework.data.redis.core.HashOperations;
import org.springframework.stereotype.Component;

import java.util.Map;

@Component
public class RedisHashManager extends AbstractRedisManager
{
    private HashOperations getOperation()
    {
        return redisTemplate.opsForHash();
    }

    public Object get(String key, String item) {
        return getOperation().get(key, item);
    }


    public Map<Object, Object> getMap(String key) {
        return getOperation().entries(key);
    }


    public void setMap(String key, Map<String, Object> map) {
        getOperation().putAll(key, map);
    }


    public void setMap(String key, Map<String, Object> map, long time) {
        getOperation().putAll(key, map);
        if (time > 0) {
            expire(key, time);
        }
    }


    public void set(String key, String item, Object value) {
        getOperation().put(key, item, value);
    }


    public void set(String key, String item, Object value, long time) {
        getOperation().put(key, item, value);
        if (time > 0) {
            expire(key, time);
        }
    }


    public void delete(String key, Object... item) {
        getOperation().delete(key, item);
    }


    public boolean hasKey(String key, String item) {
        return getOperation().hasKey(key, item);
    }


    public double increment(String key, String item, double by) {
        return getOperation().increment(key, item, by);
    }


    public double decrement(String key, String item, double by) {
        return getOperation().increment(key, item, -by);
    }
}

RedisListManager

package com.chinacreator.c2.sw.video.integration.utils.redis;

import org.springframework.data.redis.core.ListOperations;
import org.springframework.stereotype.Component;

import java.util.List;

@Component
public class RedisListManager extends AbstractRedisManager
{
    private ListOperations getOperation()
    {
        return redisTemplate.opsForList();
    }

    public List<Object> getByRange(String key, long start, long end) {
        return getOperation().range(key, start, end);
    }


    public long getSize(String key) {
        return getOperation().size(key);
    }


    public Object getAtIndex(String key, long index) {
        return getOperation().index(key, index);
    }

    public void setLeftAll(String key, List<Object> value) {
        getOperation().leftPushAll(key, value);
    }

    public void setLeft(String key, Object value) {
        getOperation().leftPushIfPresent(key, value);
    }

    public void setLeft(String key, Object value, long time) {
        getOperation().leftPush(key, value);
        if (time > 0) {
            expire(key, time);
        }
    }

    public void setLeftAll(String key, List<Object> value, long time) {
        getOperation().leftPushAll(key, value);
        if (time > 0)
        {
            expire(key, time);
        }
    }

    public void setRight(String key, Object value) {
        getOperation().rightPush(key, value);
    }

    public void setRight(String key, Object value, long time) {
        getOperation().rightPush(key, value);
        if (time > 0) {
            expire(key, time);
        }
    }

    public void setRightAll(String key, List<Object> value) {
        getOperation().rightPushAll(key, value);
    }

    public void setRightAll(String key, List<Object> value, long time) {
        getOperation().rightPushAll(key, value);
        if (time > 0)
        {
            expire(key, time);
        }
    }

    public void updateAtIndex(String key, long index, Object value) {
        getOperation().set(key, index, value);
    }

    public long remove(String key, long count, Object value) {
        return getOperation().remove(key, count, value);
    }

    public void removeByRange(String key, Long start, Long end) {
        redisTemplate.opsForList().trim(key, start, end);
    }
}

RedisObjectManager

package com.chinacreator.c2.sw.video.integration.utils.redis;

import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;

import java.util.concurrent.TimeUnit;

@Component
public class RedisObjectManager extends AbstractRedisManager
{
    private ValueOperations getOperation()
    {
        return redisTemplate.opsForValue();
    }

    public Object get(String key) {
        return getOperation().get(key);
    }

    public void set(String key, Object value) {
        getOperation().set(key, value);
    }

    public void set(String key, Object value, long time) {
        if (time > 0) {
            getOperation().set(key, value, time, TimeUnit.SECONDS);
        } else {
            set(key, value);
        }
    }

    public long increment(String key, long delta) {
        if (delta < 0) {
            throw new IllegalArgumentException("delta must greater than 0");
        }
        return getOperation().increment(key, delta);
    }

    public long decrement(String key, long delta) {
        if (delta < 0) {
            throw new IllegalArgumentException("delta must greater than 0");
        }
        return getOperation().increment(key, -delta);
    }
}

RedisSetManager

package com.chinacreator.c2.sw.video.integration.utils.redis;

import org.springframework.data.redis.core.SetOperations;
import org.springframework.stereotype.Component;

import java.util.Set;

@Component
public class RedisSetManager extends AbstractRedisManager
{
    private SetOperations getOperation()
    {
        return redisTemplate.opsForSet();
    }

    public Set<Object> get(String key) {
        return getOperation().members(key);
    }


    public boolean hasKey(String key, Object value) {
        return getOperation().isMember(key, value);
    }


    public long set(String key, Object... values) {
        return getOperation().add(key, values);
    }


    public long setAndTime(String key, long time, Object... values) {
        Long count = getOperation().add(key, values);
        if (time > 0) {
            expire(key, time);
        }
        return count;
    }


    public long getSize(String key) {
        return getOperation().size(key);
    }


    public long remove(String key, Object... values) {
        return getOperation().remove(key, values);
    }
}