Redis开启键空间通知实现超时通知的步骤详解

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

spring.redis.host = 39.105.145.179
spring.redis.port=6379
spring.redis.database=0
spring.redis.listen-pattern = __keyevent@0__:expired

public class TopicMessageListener implements MessageListener {
 @Override
 public void onMessage(Message message, byte[] bytes) {
 byte[] body = message.getBody();
 byte[] channel = message.getChannel();
 System.out.println(new String(body));
 System.out.println(new String(channel));
 }
}

@Configuration
public class RedisListenerConfiguration {

 @Bean
 public RedisMessageListenerContainer getListenerContainer(RedisConnectionFactory connectionFactory){
 //创建连接容器
 RedisMessageListenerContainer container = new RedisMessageListenerContainer();
 //放入redis连接
 container.setConnectionFactory(connectionFactory);
 //写入需要被监听的类型，即超时监听
 Topic topic = new PatternTopic("__keyevent@0__:expired");
 container.addMessageListener(new TopicMessageListener(), topic);
 return container;
 }
}