import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;

/**
 * @version 1.0
 * @date 2022/5/24 13:27
 * @since : JDK 11
 */
@Configuration
public class RedisConfig {

    @Autowired
    private RedisConnectionFactory redisConnectionFactory;

    @Bean
    public RedisMessageListenerContainer redisMessageListenerContainer() {
        RedisMessageListenerContainer container = new RedisMessageListenerContainer();
        container.setConnectionFactory(redisConnectionFactory);
        return container;
    }

    @Bean
    public RedisKeyChangeListener redisKeyChangeListener() {
        RedisKeyChangeListener listener = new RedisKeyChangeListener(redisMessageListenerContainer(), "");
        return listener;
    }
}

import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.connection.Message;
import org.springframework.data.redis.connection.MessageListener;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.Topic;
import org.springframework.util.StringUtils;

import java.nio.charset.StandardCharsets;
import java.util.Properties;

/**
 * @version 1.0
 * @date 2022/5/24 13:19
 * @since : JDK 11
 */
@Slf4j
public class RedisKeyChangeListener implements MessageListener {
    /**
     * 指定监听redis的键的变化
     */
    private final String listenerKeyName;
    /**
     * 监听所有redis键的变化
     */
    private static final Topic TOPIC_ALL_KEYEVENTS = new PatternTopic("__keyevent@*");
    /**
     * 指定监听redis所有键的set操作
     */
    private static final Topic TOPIC_KEYEVENTS_SET = new PatternTopic("__keyevent@0__:set");
    /**
     * 以正则模式监听所有匹配到的所有键的变化
     */
    private static final Topic TOPIC_KEYNAMESPACE_NAME = new PatternTopic("__keyspace@0__:myKey*");

    private String keyspaceNotificationsConfigParameter = "KEA";

    public RedisKeyChangeListener(RedisMessageListenerContainer listenerContainer, String listenerKeyName) {
        this.listenerKeyName = listenerKeyName;
        initAndSetRedisConfig(listenerContainer);
    }

    public void initAndSetRedisConfig(RedisMessageListenerContainer listenerContainer) {
        if (StringUtils.hasText(keyspaceNotificationsConfigParameter)) {
            RedisConnection connection = listenerContainer.getConnectionFactory().getConnection();
            try {
                Properties config = connection.getConfig("notify-keyspace-events");
                if (!StringUtils.hasText(config.getProperty("notify-keyspace-events"))) {
                    connection.setConfig("notify-keyspace-events", keyspaceNotificationsConfigParameter);
                }
            } finally {
                connection.close();
            }
        }
        listenerContainer.addMessageListener(this, TOPIC_KEYNAMESPACE_NAME);
    }

    @Override
    public void onMessage(Message message, byte[] pattern) {
        log.info("key发生变化类型:[ {} ],key监听正则:[ {} ],变化key:[ {} ]", message, new String(pattern, StandardCharsets.UTF_8), new String(message.getChannel(), StandardCharsets.UTF_8));
    }
}

参考：

redis中文文档相关章节
redis官方文档相关章节

SpringBoot：监控Redis中的某个Key的变化(自定义监听器)