PHP和RabbitMQ实现消息队列的完整代码

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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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