RabbitMQ-基础学习

在虚拟机上安装Erlang的GCC环境，装erlong，然后安装rabbitmq

参考：安装说明链接

安装web端面板

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创建交换机

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先学习一下工作模式（详细介绍可见官网）

上代码

1.Hello Word模式

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写在测试类中：
Providucer

@Test
	void contextLoads()throws Exception {
		//1.创建链接
		ConnectionFactory factory = new ConnectionFactory();
		//2。设置参数
		factory.setHost("192.168.63.130");
		factory.setPort(5672);
		factory.setVirtualHost("/peng");
		factory.setUsername("peng");
		factory.setPassword("peng");
		//3.创建链接Connection
		Connection connection = factory.newConnection();

		//4.创建Channel
		Channel channel = connection.createChannel();
		//5.创建队列Queue
		//queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
		/**
		 * 1.queue 队列名
		 * 2.durable 是否持久化
		 * 3.exclusive (1)是否独占站，只能有一个消费的监听者 (2)当Connection关闭时是否删除队列
		 * 4.autoDelete 是否自动删除，当没有consumer会自动删除掉
		 * 5.arguments：
		 * */

		channel.queueDeclare("peng",true,false,false,null);

		//6.发送消息
		//basicPublish(String exchange, String routingKey, BasicProperties props, byte[] body)
		/**
		 * 1.exchange:交换机名称
		 * 2.routingKey:路由名称
		 * 3.props:配置信息
		 * 4.body:发送的消息数据
		 */
		String body="第一个消息";
		channel.basicPublish("","peng",null,body.getBytes());
		//7.释放资源
		channel.close();
		connection.close();
	}

Consumer

@Test
	void contextLoads()throws Exception {
		//1.创建链接
		ConnectionFactory factory = new ConnectionFactory();
		//2。设置参数
		factory.setHost("192.168.63.130");
		factory.setPort(5672);
		factory.setVirtualHost("/peng");
		factory.setUsername("peng");
		factory.setPassword("peng");
		//3.创建链接Connection
		Connection connection = factory.newConnection();

		//4.创建Channel
		Channel channel = connection.createChannel();
		//5.创建队列Queue
		//queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
		/**
		 * 1.queue 队列名
		 * 2.durable 是否持久化
		 * 3.exclusive (1)是否独占站，只能有一个消费的监听者 (2)当Connection关闭时是否删除队列
		 * 4.autoDelete 是否自动删除，当没有consumer会自动删除掉
		 * 5.arguments：
		 * */

		channel.queueDeclare("peng",true,false,false,null);
		//basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback)
		/**
		 * 1.queue:队列名
		 * 2.deliverCallback：是否自动确认收到
		 * 3.cancelCallback：回调对象
		 */
		Consumer consumer= new DefaultConsumer(channel){
			/**
			 * 1.consumerTag:
			 * 2.envelope:
			 * 3.properties:
			 * 4.body:
			 * @param consumerTag
			 * @param envelope
			 * @param properties
			 * @param body
			 * @throws IOException
			 */
			@Override
			public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
				System.out.println("consumerTag"+consumerTag);
				System.out.println("envelope"+envelope.getExchange());
				System.out.println("properties"+envelope.getRoutingKey());
				System.out.println("properties"+properties);
				System.out.println("body"+new String(body));
			}
		};
		channel.basicConsume("peng",true,consumer);
	}

2.Work Queues模式

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生产者生产，两个消费者循环消费
P：

package com.providucer.factory;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

/**
 * @ClassName: Providucerfactory
 * @author: 鹏
 * @date: 2023/7/4 14:42
 */

public class ProvideFactory {
    public static void main(String[] args) throws Exception{
        //1.创建链接
        ConnectionFactory factory = new ConnectionFactory();
        //2。设置参数
        factory.setHost("192.168.63.130");
        factory.setPort(5672);
        factory.setVirtualHost("/peng");
        factory.setUsername("peng");
        factory.setPassword("peng");
        //3.创建链接Connection
        Connection connection = factory.newConnection();
        //4.创建Channel
        Channel channel = connection.createChannel();
        //5.创建队列Queue
        //queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
        /**
         * 1.queue 队列名
         * 2.durable 是否持久化
         * 3.exclusive (1)是否独占站，只能有一个消费的监听者 (2)当Connection关闭时是否删除队列
         * 4.autoDelete 是否自动删除，当没有consumer会自动删除掉
         * 5.arguments：
         * */
        channel.queueDeclare("pengwork",true,false,false,null);
        //6.发送消息
        //basicPublish(String exchange, String routingKey, BasicProperties props, byte[] body)
        /**
         * 1.exchange:交换机名称
         * 2.routingKey:路由名称
         * 3.props:配置信息
         * 4.body:发送的消息数据
         */
        for (int i = 1; i <= 10; i++) {
            String body="第"+i+"个消息";
            channel.basicPublish("","pengwork",null,body.getBytes());
        }
        //7.释放资源
        channel.close();
        connection.close();
    }
}

C1：

package com.consumer.factory;

import com.rabbitmq.client.*;

import java.io.IOException;

/**
 * @ClassName: ConsumerFactory
 * @author: 鹏
 * @date: 2023/7/4 14:44
 */

public class ConsumerFactory {
    public static void main(String[] args)throws Exception {
        //1.创建链接
        ConnectionFactory factory = new ConnectionFactory();
        //2。设置参数
        factory.setHost("192.168.63.130");
        factory.setPort(5672);
        factory.setVirtualHost("/peng");
        factory.setUsername("peng");
        factory.setPassword("peng");
        //3.创建链接Connection
        Connection connection = factory.newConnection();

        //4.创建Channel
        Channel channel = connection.createChannel();
        //5.创建队列Queue
        //queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
        /**
         * 1.queue 队列名
         * 2.durable 是否持久化
         * 3.exclusive (1)是否独占站，只能有一个消费的监听者 (2)当Connection关闭时是否删除队列
         * 4.autoDelete 是否自动删除，当没有consumer会自动删除掉
         * 5.arguments：
         * */

        channel.queueDeclare("pengwork",true,false,false,null);
        //basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback)
        /**
         * 1.queue:队列名
         * 2.deliverCallback：是否自动确认收到
         * 3.cancelCallback：回调对象
         */
        Consumer consumer= new DefaultConsumer(channel){
            /**
             * 1.consumerTag:
             * 2.envelope:
             * 3.properties:
             * 4.body:
             * @param consumerTag
             * @param envelope
             * @param properties
             * @param body
             * @throws IOException
             */
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
/*                System.out.println("consumerTag"+consumerTag);
                System.out.println("envelope"+envelope.getExchange());
                System.out.println("properties"+envelope.getRoutingKey());
                System.out.println("properties"+properties);*/
                System.out.println("body"+new String(body));
            }
        };
        channel.basicConsume("pengwork",true,consumer);
    }
}

C2：

package com.consumer.factory;

import com.rabbitmq.client.*;

import java.io.IOException;

/**
 * @ClassName: ConsumerFactory
 * @author: 鹏
 * @date: 2023/7/4 14:44
 */

public class ConsumerFactory1 {
    public static void main(String[] args)throws Exception {
        //1.创建链接
        ConnectionFactory factory = new ConnectionFactory();
        //2。设置参数
        factory.setHost("192.168.63.130");
        factory.setPort(5672);
        factory.setVirtualHost("/peng");
        factory.setUsername("peng");
        factory.setPassword("peng");
        //3.创建链接Connection
        Connection connection = factory.newConnection();

        //4.创建Channel
        Channel channel = connection.createChannel();
        //5.创建队列Queue
        //queueDeclare(String queue, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
        /**
         * 1.queue 队列名
         * 2.durable 是否持久化
         * 3.exclusive (1)是否独占站，只能有一个消费的监听者 (2)当Connection关闭时是否删除队列
         * 4.autoDelete 是否自动删除，当没有consumer会自动删除掉
         * 5.arguments：
         * */

        channel.queueDeclare("pengwork",true,false,false,null);
        //basicConsume(String queue, DeliverCallback deliverCallback, CancelCallback cancelCallback)
        /**
         * 1.queue:队列名
         * 2.deliverCallback：是否自动确认收到
         * 3.cancelCallback：回调对象
         */
        Consumer consumer= new DefaultConsumer(channel){
            /**
             * 1.consumerTag:
             * 2.envelope:
             * 3.properties:
             * 4.body:
             * @param consumerTag
             * @param envelope
             * @param properties
             * @param body
             * @throws IOException
             */
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
/*                System.out.println("consumerTag"+consumerTag);
                System.out.println("envelope"+envelope.getExchange());
                System.out.println("properties"+envelope.getRoutingKey());
                System.out.println("properties"+properties);*/
                System.out.println("body"+new String(body));
            }
        };
        channel.basicConsume("pengwork",true,consumer);
    }
}

消费结果：
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3.Publish/Subscribe订阅模式

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消费着只需要绑定相应的队列，生产者需要创建交换机

public class PubFactory {
    public static void main(String[] args) throws Exception{
        //1.创建链接
        ConnectionFactory factory = new ConnectionFactory();
        //2。设置参数
        factory.setHost("192.168.63.130");
        factory.setPort(5672);
        factory.setVirtualHost("/peng");
        factory.setUsername("peng");
        factory.setPassword("peng");
        //3.创建链接Connection
        Connection connection = factory.newConnection();
        //4.创建Channel
        Channel channel = connection.createChannel();
        //5.创建交换机
        //exchangeDeclare(String exchange, BuiltinExchangeType type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments)
        String exchange="test_fanout";
        channel.exchangeDeclare(exchange, BuiltinExchangeType.FANOUT,
                true,false,false,null);
        String queue1Name = "test_fanout_queue1";
        String queue2Name = "test_fanout_queue2";
        //1.exchange:交换机名称
        //2.type:交换机类型
        /**
         *        DIRECT("direct"),定向
         *         FANOUT("fanout"),扇形（广播）
         *         TOPIC("topic"),通配符方式
         *         HEADERS("headers")参数匹配
         */
        //3.durable:是否持久化
        //4.autoDelete:是福哦自动删除
        //5.internal: 内部使用一般用false
        //6.arguments: 参数

        //channel.exchangeDeclare();
        //6.创建队列
        channel.queueDeclare(queue1Name,true,false,false,null);
        channel.queueDeclare(queue2Name,true,false,false,null);
        //7.绑定交换机与队列
        /**
         * 1.queue:队列名称
         * 2.exchange：交换机名称
         * 3.routingKey:路由键，绑定规则
         *      如果交换机的类型为fanout，routingKey设置为""
         */
        channel.queueBind(queue1Name,exchange,"");
        channel.queueBind(queue2Name,exchange,"");
        String body="日志信息：接收成功";
        channel.basicPublish(exchange,"",null,body.getBytes());
        //8.释放资源
        channel.close();
        connection.close();
    }
}

4.Routing路由模式

路由模式相当于增加一层限制，只有通过相应的限制交换机才能将消息发布到对应的队列，也就是在发布的时候路由参数数设置值，且交换机类型必须为direct
channel.basicPublish(exchange,"error",null,body.getBytes());此处限制队列路由为error的可以发送


public class RoutingFactory {
    public static void main(String[] args) throws Exception{
        //1.创建链接
        ConnectionFactory factory = new ConnectionFactory();
        //2。设置参数
        factory.setHost("192.168.63.130");
        factory.setPort(5672);
        factory.setVirtualHost("/peng");
        factory.setUsername("peng");
        factory.setPassword("peng");
        //3.创建链接Connection
        Connection connection = factory.newConnection();
        //4.创建Channel
        Channel channel = connection.createChannel();
        //5.创建交换机
        //exchangeDeclare(String exchange, BuiltinExchangeType type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments)
        String exchange="test_direct";
        channel.exchangeDeclare(exchange, BuiltinExchangeType.DIRECT,
                true,false,false,null);
        String queue1Name = "test_fanout_queue1";
        String queue2Name = "test_fanout_queue2";
        //1.exchange:交换机名称
        //2.type:交换机类型
        /**
         *        DIRECT("direct"),定向
         *         FANOUT("fanout"),扇形（广播）
         *         TOPIC("topic"),通配符方式
         *         HEADERS("headers")参数匹配
         */
        //3.durable:是否持久化
        //4.autoDelete:是福哦自动删除
        //5.internal: 内部使用一般用false
        //6.arguments: 参数

        //channel.exchangeDeclare();
        //6.创建队列
        channel.queueDeclare(queue1Name,true,false,false,null);
        channel.queueDeclare(queue2Name,true,false,false,null);
        //7.绑定交换机与队列
        /**
         * 1.queue:队列名称
         * 2.exchange：交换机名称
         * 3.routingKey:路由键，绑定规则
         *      如果交换机的类型为fanout，routingKey设置为""
         */
        channel.queueBind(queue1Name,exchange,"error");
        channel.queueBind(queue2Name,exchange,"info");
        channel.queueBind(queue2Name,exchange,"error");
        channel.queueBind(queue2Name,exchange,"warming");
        String body="日志信息：接收成功";
        channel.basicPublish(exchange,"error",null,body.getBytes());
        //8.释放资源
        channel.close();
        connection.close();
    }
}

5. Topics模式

相对于routing在队列增加了匹配规则，让交换机发送与队列接受更加灵活*匹配一个单词，#匹配多个单词
channel.exchangeDeclare(exchange, BuiltinExchangeType.TOPIC, true,false,false,null);
设置为BuiltinExchangeType.TOPIC
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public class TopicsFactory {
    public static void main(String[] args) throws Exception{
        //1.创建链接
        ConnectionFactory factory = new ConnectionFactory();
        //2。设置参数
        factory.setHost("192.168.63.130");
        factory.setPort(5672);
        factory.setVirtualHost("/peng");
        factory.setUsername("peng");
        factory.setPassword("peng");
        //3.创建链接Connection
        Connection connection = factory.newConnection();
        //4.创建Channel
        Channel channel = connection.createChannel();
        //5.创建交换机
        //exchangeDeclare(String exchange, BuiltinExchangeType type, boolean durable, boolean autoDelete, boolean internal, Map<String, Object> arguments)
        String exchange="test_topic";
        channel.exchangeDeclare(exchange, BuiltinExchangeType.TOPIC,
                true,false,false,null);
        String queue1Name = "test_topic_queue1";
        String queue2Name = "test_topic_queue2";
        //1.exchange:交换机名称
        //2.type:交换机类型
        /**
         *        DIRECT("direct"),定向
         *         FANOUT("fanout"),扇形（广播）
         *         TOPIC("topic"),通配符方式
         *         HEADERS("headers")参数匹配
         */
        //3.durable:是否持久化
        //4.autoDelete:是福哦自动删除
        //5.internal: 内部使用一般用false
        //6.arguments: 参数

        //channel.exchangeDeclare();
        //6.创建队列
        channel.queueDeclare(queue1Name,true,false,false,null);
        channel.queueDeclare(queue2Name,true,false,false,null);
        //7.绑定交换机与队列
        /**
         * 1.queue:队列名称
         * 2.exchange：交换机名称
         * 3.routingKey:路由键，绑定规则
         *      如果交换机的类型为fanout，routingKey设置为""
         */
        channel.queueBind(queue1Name,exchange,"*.*");
        channel.queueBind(queue2Name,exchange,"*.one");
        channel.queueBind(queue2Name,exchange,"*.two");
        channel.queueBind(queue2Name,exchange,"ok.*");
        String body="日志信息：接收成功";
        channel.basicPublish(exchange,"error",null,body.getBytes());
        channel.basicPublish(exchange,"123.one",null,body.getBytes());
        channel.basicPublish(exchange,"123.two",null,body.getBytes());
        //8.释放资源
        channel.close();
        connection.close();
    }
}