docker run --restart=always -itd --name redis -p 6379:6379 redis redis-server --notify-keyspace-events Ex --requirepass xxxxxx

CONFIG GET notify-keyspace-events

package com.example.redis_sub.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.connection.Message;
import org.springframework.data.redis.listener.KeyExpirationEventMessageListener;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.stereotype.Component;

@Slf4j
@Component
public class RedisKeyExpirationListener extends KeyExpirationEventMessageListener {
    public RedisKeyExpirationListener(RedisMessageListenerContainer listenerContainer) {
        super(listenerContainer);
    }

    @Override
    public void onMessage(Message message, byte[] pattern) {
        // 用戶做自己的業(yè)務(wù)處理即可,注意message.toString()可以獲取失效的key
        System.out.println("key失效");
        String expiredKey = message.toString();
        System.out.println(expiredKey);
        System.out.println(new String(pattern));
        //業(yè)務(wù)邏輯

    }
}

package com.example.redis_sub.config;

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.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;

@Configuration
public class RedisConfig {

    @Bean
    RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory) {

        RedisMessageListenerContainer container = new RedisMessageListenerContainer();
        container.setConnectionFactory(connectionFactory);
        // 事件以__keyevent@<db>__為前綴進(jìn)行發(fā)布
//        container.addMessageListener(new RedisKeyExpirationListener(container), new PatternTopic("__keyevent@0__" +
//                ":expired"));
        container.addMessageListener(new RedisKeyExpirationListener(container), new PatternTopic("__keyevent@0__" +
                ":expired"));
        return container;
    }


}