PHP+RabbitMQ实现消息队列的完整代码
2019-08-31 07:18:35来源:编程学习网 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
<?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' => [],
];
<?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;
}
}
<?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()) ;
}
<?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()) ;
}
原文链接:http://www.phpxs.com/post/6514/
如有疑问请与原作者联系
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