SpringBoot2监听redis过期的key

1、修改Redis配置

把  #  notify-keyspace-events Ex 前面的注释去掉，然后重启redis

注意 Ex要加双引号

2、pom文件添加

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

3、添加redis监听

package com.example.demo.redis;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.connection.Message;
import org.springframework.data.redis.connection.MessageListener;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;

@Component
public class RedisMessageListener implements MessageListener {


    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    @Override
    //key 过期时调用
    public void onMessage(M