PHP+RabbitMQ实现消息队列的完整代码

2019年11月3日 246次阅读

为什么使用RabbitMq而不是ActiveMq或者RocketMq？
首先，从业务上来讲，我并不要求消息的100%接受率，并且，我需要结合php开发，RabbitMq相较RocketMq，延迟较低(微妙级)。至于ActiveMq，貌似问题较多。RabbitMq对各种语言的支持较好，所以选择RabbitMq。
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: 2019/07/13
 * 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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