rabbitMQ应用，laravel生产广播消息，springboot消费消息

最近做一个新需求，用户发布了动态，前台需要查询，为了用户读取信息响应速度更快（MySQL很难实现或者说实现起来很慢），所以在用户动态发布成功后，利用消息机制异步构建 redis缓存 和 elasticsearch索引 。

开发环境

rabbitMQ服务端，docker安装

拉取rabbit-mq镜像
docker pull hub.c..com/library/rabbitmq:3.6.-management

运行镜像
docker run -d --name rabbitmq --publish :  --publish : --publish : --publish : --publish : --publish :  hub.c..com/library/rabbitmq:3.6.-management

后台地址：
http://192.168.1.8:15672

消息生产端（PHP）：

composer 安装 rabbitmq客户端
composer require php-amqplib/php-amqplib

生产广播消息官方demo
https://github.com/php-amqplib/php-amqplib/blob/master/demo/amqp_publisher_fanout.php

应用中代码

<?php
/**
 * User: szliugx@gmail.com
 * Date: 2018/6/18
 * Time: 下午1:54
 */

namespace App\ThirdParty\Message;

use PhpAmqpLib\Connection\AMQPStreamConnection;
use PhpAmqpLib\Message\AMQPMessage;

class AmqpPublisher
{
    public function send($content)
    {
        $exchange = 'message.fanout.exchange';
        // 创建连接
        $connection = new AMQPStreamConnection(
            config('app.mq_host'),
            config('app.mq_port'),
            config('app.mq_user'),
            config('app.mq_pass'),
            config('app.mq_vhost')
        );
        $channel = $connection->channel();
        /*
            name: $exchange
            type: fanout
            passive: false // don't check is an exchange with the same name exists
            durable: false // the exchange won't survive server restarts
            auto_delete: true //the exchange will be deleted once the channel is closed.
        */
        $channel->exchange_declare($exchange, 'fanout', false, true, false);
        $messageBody = $content;
        $message = new AMQPMessage($messageBody, array('content_type' => 'text/plain'));
        $channel->basic_publish($message, $exchange);
        // 关闭通道
        $channel->close();
        // 关闭连接
        $connection->close();
    }
}

消息消费端（Java）：

引入maven依赖

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

配置广播队列信息

package cn.taxiong.release.config;

import cn.taxiong.release.constant.QueueConstants;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.FanoutExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * RabbitMQFanout模式配置
 *
 * @author szliugx@gmail.com
 * @create 2018-06-18 下午4:04
 **/
@Slf4j
@Configuration
public class RabbitMQFanoutConfig {

    @Bean
    public Queue createFanoutQueueCache() {
        log.info( "创建了FanoutQueue cache 缓存 队列" );
        return new Queue(QueueConstants.MESSAGE_QUEUE_RELEASE_CACHE_NAME);
    }

    @Bean
    public Queue createFanoutQueueIndex() {
        log.info( "创建了FanoutQueue index 缓存 队列" );
        return new Queue(QueueConstants.MESSAGE_QUEUE_RELEASE_INDEX_NAME);
    }

    @Bean
    public FanoutExchange fanoutExchangeRelease() {
        log.info( "创建了fanoutExchange交换机" );
        return new FanoutExchange( QueueConstants.MESSAGE_FANOUT_EXCHANGE);
    }

    @Bean
    public Binding fanoutExchangeCacheQueueBinding() {
        log.info( "将FanoutQueue cache 队列绑定到交换机fanoutExchange" );
        return BindingBuilder.bind( createFanoutQueueCache() ).to( fanoutExchangeRelease() );
    }

    @Bean
    public Binding fanoutExchangeIndexQueueBinding() {
        log.info( "将FanoutQueue index 队列绑定到交换机fanoutExchange" );
        return BindingBuilder.bind( createFanoutQueueIndex() ).to( fanoutExchangeRelease() );
    }
}

队列常量信息

package cn.taxiong.release.constant;

/**
 * 队列常量
 *
 * @author szliugx@gmail.com
 * @create 2018-06-14 下午7:02
 **/
public interface QueueConstants {/**
     * 消息交换
     */
    String MESSAGE_FANOUT_EXCHANGE = "message.fanout.exchange";

    /**
     * 发布缓存消息队列名称
     */
    String MESSAGE_QUEUE_RELEASE_CACHE_NAME = "message.release.cache.queue";

    /**
     * 发布索引消息队列名称
     */
    String MESSAGE_QUEUE_RELEASE_INDEX_NAME = "message.release.index.queue";
}

缓存（cache）服务消费消息：

package cn.taxiong.release.message;

import cn.taxiong.release.constant.QueueConstants;
import cn.taxiong.release.service.OperateReleaseService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.annotation.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.stereotype.Component;

/**
 * 消息消费
 *
 * @author szliugx@gmail.com
 * @create 2018-06-14 下午7:14
 **/
@Slf4j
@Component
@RabbitListener(queues = QueueConstants.MESSAGE_QUEUE_RELEASE_CACHE_NAME)
public class MessageConsumer {

    @Autowired
    private OperateReleaseService operateReleaseService;

    @RabbitHandler
    public void handler(@Payload String message) {
        // operateReleaseService.storeReleaseRedisCache(message);
        log.info("缓存cache消息消费1：{}", message);
    }
}

索引（index）服务消费消息：

package cn.taxiong.release.message;

import cn.taxiong.release.constant.QueueConstants;
import cn.taxiong.release.service.OperateReleaseService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.stereotype.Component;

/**
 * 消息消费
 *
 * @author szliugx@gmail.com
 * @create 2018-06-14 下午7:14
 **/
@Slf4j
@Component
@RabbitListener(queues = QueueConstants.MESSAGE_QUEUE_RELEASE_INDEX_NAME)
public class MessageConsumer2 {

    @Autowired
    private OperateReleaseService operateReleaseService;

    @RabbitHandler
    public void handler(@Payload String message) {
        log.info("索引消息 index 消费2：{}", message);
    }
}