PHP实现RabbitMQ消息队列

原创
08/05 15:32
阅读数 62

先安装PHP对应的RabbitMQ,这里用的是 php_amqp 不同的扩展实现方式会有细微的差异.
php扩展地址: http://pecl.php.net/package/amqp
具体以官网为准 http://www.rabbitmq.com/getstarted.html

介绍

config.php 配置信息
BaseMQ.php MQ基类
ProductMQ.php 生产者类
ConsumerMQ.php 消费者类
Consumer2MQ.php 消费者2(可有多个)

config.php

<?php
return [
    //配置
    'host' => [
        'host' => '127.0.0.1',
        'port' => '5672',
        'login' => 'guest',
        'password' => 'guest',
        'vhost'=>'/',
    ],
    //交换机
    'exchange'=>'word',
    //路由
    'routes' => [],
];

 BaseMQ.php

<?php
/**
 * Created by PhpStorm.
 * User: pc
 * Date: 2018/12/13
 * Time: 14:11
 */
  
namespace MyObjSummary\rabbitMQ;
  
/** Member
 *      AMQPChannel
 *      AMQPConnection
 *      AMQPEnvelope
 *      AMQPExchange
 *      AMQPQueue
 * Class BaseMQ
 * @package MyObjSummary\rabbitMQ
 */
class BaseMQ
{
    /** MQ Channel
     * @var \AMQPChannel
     */
    public $AMQPChannel ;
  
    /** MQ Link
     * @var \AMQPConnection
     */
    public $AMQPConnection ;
  
    /** MQ Envelope
     * @var \AMQPEnvelope
     */
    public $AMQPEnvelope ;
  
    /** MQ Exchange
     * @var \AMQPExchange
     */
    public $AMQPExchange ;
  
    /** MQ Queue
     * @var \AMQPQueue
     */
    public $AMQPQueue ;
  
    /** conf
     * @var
     */
    public $conf ;
  
    /** exchange
     * @var
     */
    public $exchange ;
  
    /** link
     * BaseMQ constructor.
     * @throws \AMQPConnectionException
     */
    public function __construct()
    {
        $conf =  require 'config.php' ;
        if(!$conf)
            throw new \AMQPConnectionException('config error!');
        $this->conf     = $conf['host'] ;
        $this->exchange = $conf['exchange'] ;
        $this->AMQPConnection = new \AMQPConnection($this->conf);
        if (!$this->AMQPConnection->connect())
            throw new \AMQPConnectionException("Cannot connect to the broker!\n");
    }
  
    /**
     * close link
     */
    public function close()
    {
        $this->AMQPConnection->disconnect();
    }
  
    /** Channel
     * @return \AMQPChannel
     * @throws \AMQPConnectionException
     */
    public function channel()
    {
        if(!$this->AMQPChannel) {
            $this->AMQPChannel =  new \AMQPChannel($this->AMQPConnection);
        }
        return $this->AMQPChannel;
    }
  
    /** Exchange
     * @return \AMQPExchange
     * @throws \AMQPConnectionException
     * @throws \AMQPExchangeException
     */
    public function exchange()
    {
        if(!$this->AMQPExchange) {
            $this->AMQPExchange = new \AMQPExchange($this->channel());
            $this->AMQPExchange->setName($this->exchange);
        }
        return $this->AMQPExchange ;
    }
  
    /** queue
     * @return \AMQPQueue
     * @throws \AMQPConnectionException
     * @throws \AMQPQueueException
     */
    public function queue()
    {
        if(!$this->AMQPQueue) {
            $this->AMQPQueue = new \AMQPQueue($this->channel());
        }
        return $this->AMQPQueue ;
    }
  
    /** Envelope
     * @return \AMQPEnvelope
     */
    public function envelope()
    {
        if(!$this->AMQPEnvelope) {
            $this->AMQPEnvelope = new \AMQPEnvelope();
        }
        return $this->AMQPEnvelope;
    }
}

 ProductMQ.php

<?php
//生产者 P
namespace MyObjSummary\rabbitMQ;
require 'BaseMQ.php';
class ProductMQ extends BaseMQ
{
    private $routes = ['hello','word']; //路由key
 
    /**
     * ProductMQ constructor.
     * @throws \AMQPConnectionException
     */
    public function __construct()
    {
       parent::__construct();
    }
 
    /** 只控制发送成功 不接受消费者是否收到
     * @throws \AMQPChannelException
     * @throws \AMQPConnectionException
     * @throws \AMQPExchangeException
     */
    public function run()
    {
        //频道
        $channel = $this->channel();
        //创建交换机对象
        $ex = $this->exchange();
        //消息内容
        $message = 'product message '.rand(1,99999);
        //开始事务
        $channel->startTransaction();
        $sendEd = true ;
        foreach ($this->routes as $route) {
            $sendEd = $ex->publish($message, $route) ;
            echo "Send Message:".$sendEd."\n";
        }
        if(!$sendEd) {
            $channel->rollbackTransaction();
        }
        $channel->commitTransaction(); //提交事务
        $this->close();
        die ;
    }
}
try{
    (new ProductMQ())->run();
}catch (\Exception $exception){
    var_dump($exception->getMessage()) ;
}

ConsumerMQ.php

<?php
//消费者 C
namespace MyObjSummary\rabbitMQ;
require 'BaseMQ.php';
class ConsumerMQ extends BaseMQ
{
    private  $q_name = 'hello'; //队列名
    private  $route  = 'hello'; //路由key
 
    /**
     * ConsumerMQ constructor.
     * @throws \AMQPConnectionException
     */
    public function __construct()
    {
        parent::__construct();
    }
 
    /** 接受消息 如果终止 重连时会有消息
     * @throws \AMQPChannelException
     * @throws \AMQPConnectionException
     * @throws \AMQPExchangeException
     * @throws \AMQPQueueException
     */
    public function run()
    {
 
        //创建交换机
        $ex = $this->exchange();
        $ex->setType(AMQP_EX_TYPE_DIRECT); //direct类型
        $ex->setFlags(AMQP_DURABLE); //持久化
        //echo "Exchange Status:".$ex->declare()."\n";
 
        //创建队列
        $q = $this->queue();
        //var_dump($q->declare());exit();
        $q->setName($this->q_name);
        $q->setFlags(AMQP_DURABLE); //持久化
        //echo "Message Total:".$q->declareQueue()."\n";
 
        //绑定交换机与队列,并指定路由键
        echo 'Queue Bind: '.$q->bind($this->exchange, $this->route)."\n";
 
        //阻塞模式接收消息
        echo "Message:\n";
        while(True){
            $q->consume(function ($envelope,$queue){
                $msg = $envelope->getBody();
                echo $msg."\n"; //处理消息
                $queue->ack($envelope->getDeliveryTag()); //手动发送ACK应答
            });
            //$q->consume('processMessage', AMQP_AUTOACK); //自动ACK应答
        }
        $this->close();
    }
}
try{
    (new ConsumerMQ)->run();
}catch (\Exception $exception){
    var_dump($exception->getMessage()) ;
}

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