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PHP+RabbitMQ實現消息隊列的完整代碼

2024-05-05 00:07:39
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前言

為什么使用RabbitMq而不是ActiveMq或者RocketMq?

首先,從業務上來講,我并不要求消息的100%接受率,并且,我需要結合php開發,RabbitMq相較RocketMq,延遲較低(微妙級)。至于ActiveMq,貌似問題較多。RabbitMq對各種語言的支持較好,所以選擇RabbitMq。

先安裝PHP對應的RabbitMQ,這里用的是 php_amqp 不同的擴展實現方式會有細微的差異.

php擴展地址: http://pecl.php.net/package/amqp

具體以官網為準  http://www.rabbitmq.com/getstarted.html 

介紹

  • config.php 配置信息
  • BaseMQ.php MQ基類
  • ProductMQ.php 生產者類
  • ConsumerMQ.php 消費者類
  • Consumer2MQ.php 消費者2(可有多個)

config.php

 <?php return [  //配置  'host' => [   'host' => '127.0.0.1',   'port' => '5672',   'login' => 'guest',   'password' => 'guest',   'vhost'=>'/',  ],  //交換機  '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 //生產者 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();  }   /** 只控制發送成功 不接受消費者是否收到   * @throws /AMQPChannelException   * @throws /AMQPConnectionException   * @throws /AMQPExchangeException   */  public function run()  {   //頻道   $channel = $this->channel();   //創建交換機對象   $ex = $this->exchange();   //消息內容   $message = 'product message '.rand(1,99999);   //開始事務   $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(); //提交事務   $this->close();   die ;  } } try{  (new ProductMQ())->run(); }catch (/Exception $exception){  var_dump($exception->getMessage()) ; }

ConsumerMQ.php

 <?php //消費者 C namespace MyObjSummary/rabbitMQ; require 'BaseMQ.php'; class ConsumerMQ extends BaseMQ {  private $q_name = 'hello'; //隊列名  private $route = 'hello'; //路由key   /**   * ConsumerMQ constructor.   * @throws /AMQPConnectionException   */  public function __construct()  {   parent::__construct();  }   /** 接受消息 如果終止 重連時會有消息   * @throws /AMQPChannelException   * @throws /AMQPConnectionException   * @throws /AMQPExchangeException   * @throws /AMQPQueueException   */  public function run()  {    //創建交換機   $ex = $this->exchange();   $ex->setType(AMQP_EX_TYPE_DIRECT); //direct類型   $ex->setFlags(AMQP_DURABLE); //持久化   //echo "Exchange Status:".$ex->declare()."/n";    //創建隊列   $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";    //綁定交換機與隊列,并指定路由鍵   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"; //處理消息     $queue->ack($envelope->getDeliveryTag()); //手動發送ACK應答    });    //$q->consume('processMessage', AMQP_AUTOACK); //自動ACK應答   }   $this->close();  } } try{  (new ConsumerMQ)->run(); }catch (/Exception $exception){  var_dump($exception->getMessage()) ; }

總結

以上就是這篇文章的全部內容了,希望本文的內容對大家的學習或者工作具有一定的參考學習價值,謝謝大家對VeVb武林網的支持。


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