创建spring-boot 项目
pom.xml引入依赖:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.cherrish</groupId>
<artifactId>demo-redis</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo-redis</name>
<description>Demo project for Spring Boot</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
application.properties:
spring.redis.database=4
spring.redis.host=192.168.1.17
spring.redis.port=6379
spring.redis.password=redis
Java代码:
/*********************************DemoRedisApplication.java*********************************/
package com.cherrish.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class DemoRedisApplication {
public static void main(String[] args) {
SpringApplication.run(DemoRedisApplication.class, args);
}
}
/*********************************RedisConfig.java*********************************/
package com.cherrish.demo;
import com.cherrish.demo.redis.MessageReceiver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
/**
* @author cherrish
* @time 2018-08-30 14:51
* @name RedisConfig
* @desc:
*/
@Configuration
public class RedisConfig {
@Bean
RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory,
MessageListenerAdapter listenerAdapter){
RedisMessageListenerContainer container = new RedisMessageListenerContainer();
container.setConnectionFactory(connectionFactory);
container.addMessageListener(listenerAdapter, new PatternTopic("chat"));
return container;
}
@Bean
MessageListenerAdapter listenerAdapter(MessageReceiver receiver){
return new MessageListenerAdapter(receiver, "receiveMessage");
}
@Bean
StringRedisTemplate stringRedisTemplate(RedisConnectionFactory connectionFactory){
return new StringRedisTemplate(connectionFactory);
}
}
/*********************************MessageReceiver.java*********************************/
package com.cherrish.demo.redis;
import org.springframework.stereotype.Component;
/**
* @author cherrish
* @time 2018-08-30 15:05
* @name MessageReceiver
* @desc:
*/
@Component
public class MessageReceiver {
public void receiveMessage(String message){
System.out.println("receive a message: " + message);
}
}
/*********************************MessageSender.java*********************************/
package com.cherrish.demo.redis;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* @author cherrish
* @time 2018-08-30 15:01
* @name MessageSender
* @desc:
*/
@EnableScheduling
@Component
public class MessageSender {
@Autowired
private StringRedisTemplate stringRedisTemplate;
@Scheduled(fixedRate = 2000)
public void sendMessage(){
stringRedisTemplate.convertAndSend("chat", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
}
}