Spring boot 使用Redis 消息队列

package com.loan.msg.config;

import com.loan.msg.service.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.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;

/**
 * @author 周志伟
 * @projectname 项目名称: ${project_name}
 * @classname: RedisMQConfig
 * @description:
 * @date 2018/11/13:10:12
 */
@Configuration
public class RedisMQConfig {
    /**
     * 注入消息监听容器
     *
     * @param connectionFactory 连接工厂
     * @param listenerAdapter   监听处理器1
     * @param listenerAdapter   监听处理器2 (参数名称需和监听处理器的方法名称一致,因为@Bean注解默认注入的id就是方法名称)
     * @return
     */
    @Bean
    RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory,
                                            MessageListenerAdapter listenerAdapter,
                                            MessageListenerAdapter listenerAdapter2) {

        RedisMessageListenerContainer container = new RedisMessageListenerContainer();
        container.setConnectionFactory(connectionFactory);
        //订阅一个叫mq_01 的信道
        container.addMessageListener(listenerAdapter, new PatternTopic("mq_01"));
        //订阅一个叫mq_02 的信道
        container.addMessageListener(listenerAdapter2, new PatternTopic("mq_02"));
        //这个container 可以添加多个 messageListener
        return container;
    }

    /**
     * 消息监听处理器1
     *
     * @param receiver 处理器类
     * @return
     */
    @Bean
    MessageListenerAdapter listenerAdapter(MessageReceiver receiver) {
        //给messageListenerAdapter 传入一个消息接收的处理器,利用反射的方法调用“receiveMessage”
        return new MessageListenerAdapter(receiver, "receiveMessage"); //receiveMessage:接收消息的方法名称
    }

    /**
     * 消息监听处理器2
     *
     * @param receiver 处理器类
     * @return
     */
    @Bean
    MessageListenerAdapter listenerAdapter2(MessageReceiver receiver) {
        //给messageListenerAdapter 传入一个消息接收的处理器,利用反射的方法调用“receiveMessage2”
        return new MessageListenerAdapter(receiver, "receiveMessage2"); //receiveMessage:接收消息的方法名称
    }
}
package com.loan.msg.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

/**
 * @author 周志伟
 * @projectname 项目名称: ${project_name}
 * @classname: SendMessageService
 * @description:
 * @date 2018/11/13:10:11
 */
@Service
public class SendMessageService {
    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    /**
     * 发布消息
     *
     * @param channel 消息信道
     * @param message 消息内容
     */
    public void sendMessage(String channel, String message) {
        stringRedisTemplate.convertAndSend(channel, message);
    }

    /**
     * 发布消息的方法
     */
    public void setStr01() {
        this.sendMessage("mq_01", "发送信息内容01");
        this.sendMessage("mq_01", "发送信息内容011");
        this.sendMessage("mq_02", "发送信息内容02");

    }
}
package com.loan.msg.service;

import org.springframework.stereotype.Component;

/**
 * @author 周志伟
 * @projectname 项目名称: ${project_name}
 * @classname: MessageReceiver
 * @description:
 * @date 2018/11/13:10:14
 */
@Component
public class MessageReceiver {
    /**
     * 接收消息的方法1
     **/
    public void receiveMessage(String message) {
        System.out.println("receiveMessage接收到的消息:" + message);
    }

    /**
     * 接收消息的方法2
     **/
    public void receiveMessage2(String message) {
        System.out.println("receiveMessage2接收到的消息:" + message);
    }
}

 

//向redis里存入数据和设置缓存时间
stringRedisTemplate.opsForValue().set("test", "100",60*10,TimeUnit.SECONDS);  
 
//val做-1操作
stringRedisTemplate.boundValueOps("test").increment(-1);  
 
//根据key获取缓存中的val 
stringRedisTemplate.opsForValue().get("test") 
 
//val +1  
stringRedisTemplate.boundValueOps("test").increment(1);
 
//根据key获取过期时间  
stringRedisTemplate.getExpire("test")
 
//根据key获取过期时间并换算成指定单位 
stringRedisTemplate.getExpire("test",TimeUnit.SECONDS) 
 
//根据key删除缓存
stringRedisTemplate.delete("test");  
 
//检查key是否存在,返回boolean值
stringRedisTemplate.hasKey("546545");  
 
//向指定key中存放set集合
stringRedisTemplate.opsForSet().add("red_123", "1","2","3");
  
//设置过期时间
stringRedisTemplate.expire("red_123",1000 , TimeUnit.MILLISECONDS); 
 
//根据key查看集合中是否存在指定数据  
stringRedisTemplate.opsForSet().isMember("red_123", "1")
 
//根据key获取set集合
stringRedisTemplate.opsForSet().members("red_123")

 

posted @ 2018-11-29 17:05  也许还年轻  阅读(1261)  评论(0编辑  收藏  举报