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  • RabbitMQ交换机和spring整合RabbitMQ

    1、交换机

    2、RabbitMQ整合springCloud

    交换机

    交换机属性:

    Name:交换机名称
    Type:交换机类型 direct、topic、fanout、headers
    Durability:是否需要持久化,true为持久化
    Auto Delete:当最后一个绑定到Exchange上的队列删除后,自动删除该Exchange
    Internal:当前Exchange是否用于RabbitMQ内部使用,默认为False
    Arguments:扩展参数,用于扩展AMQP协议,定制化使用

    直流交换机
    直连交换机Direct Exchange(完全匹配路由key)

    所有发送到Direct Exchange的消息会被转发到RouteKey中指定的Queue

    【注意】Direct模式可以使用RabbitMQ自带的Exchange:default Exchange,所以不需要将Exchange进行任何绑定(binding)操作,消息传递时,RouteKey必须完全匹配才会被队列接收,否则该消息会被抛弃;

     

     消费端代码

    package com.cgl.rabbitmqapi.exchange.direct;
    
    import com.rabbitmq.client.Channel;
    import com.rabbitmq.client.Connection;
    import com.rabbitmq.client.ConnectionFactory;
    import com.rabbitmq.client.QueueingConsumer;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 9:16
     */
    public class Consumer4DirectExchange {
        public static void main(String[] args) throws Exception {
    
    
            ConnectionFactory connectionFactory = new ConnectionFactory() ;
    
            connectionFactory.setHost("192.168.125.128");
            connectionFactory.setPort(5672);
            connectionFactory.setVirtualHost("/");
    
            connectionFactory.setAutomaticRecoveryEnabled(true);
            connectionFactory.setNetworkRecoveryInterval(3000);
            Connection connection = connectionFactory.newConnection();
    
            Channel channel = connection.createChannel();
            //4 声明
            String exchangeName = "test_direct_exchange";
            String exchangeType = "direct";
            String queueName = "test_direct_queue";
            String routingKey = "test.direct";
    
            //表示声明了一个交换机
            channel.exchangeDeclare(exchangeName, exchangeType, true, false, false, null);
            //表示声明了一个队列
            channel.queueDeclare(queueName, false, false, false, null);
            //建立一个绑定关系:
            channel.queueBind(queueName, exchangeName, routingKey);
    
            //durable 是否持久化消息
            QueueingConsumer consumer = new QueueingConsumer(channel);
            //参数:队列名称、是否自动ACK、Consumer
            channel.basicConsume(queueName, true, consumer);
            //循环获取消息
            while(true){
                //获取消息,如果没有消息,这一步将会一直阻塞
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                String msg = new String(delivery.getBody());
                System.out.println("收到消息:" + msg);
            }
        }
    }

    生产端代码

    package com.hmc.rabbitmqapi.exchange.direct;
    
    import com.rabbitmq.client.Channel;
    import com.rabbitmq.client.Connection;
    import com.rabbitmq.client.ConnectionFactory;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 9:17
     */
    public class Producer4DirectExchange {
        public static void main(String[] args) throws Exception {
    
            //1 创建ConnectionFactory
            ConnectionFactory connectionFactory = new ConnectionFactory();
            connectionFactory.setHost("192.168.125.128");
            connectionFactory.setPort(5672);
            connectionFactory.setVirtualHost("/");
    
            //2 创建Connection
            Connection connection = connectionFactory.newConnection();
            //3 创建Channel
            Channel channel = connection.createChannel();
            //4 声明
            String exchangeName = "test_direct_exchange";
            String routingKey = "test.direct";
    //        String routingKey = "test.direct111"; //收不到
            //5 发送
    
            String msg = "Hello World RabbitMQ 4  Direct Exchange Message 111 ... ";
            channel.basicPublish(exchangeName, routingKey , null , msg.getBytes());
    
        }
    }

    主题交换机
    主题交换机Topic Exchange(匹配路由规则的交换机)

    所有发送到Topic Exchange的消息被转发到所有关系RouteKey中指定Topic的Queue上;

    Exchange将RouteKey和某Topic进行模糊匹配,此时队列需要绑定一个Topic;

    【注意】可以使用通配符进行模糊匹配

    符号:“#” 匹配一个或者多个词
    符号:“”匹配不多不少一个词
    列如:
    “log.#” 能够匹配到 “log.info.oa”
    “log.” 能够匹配到 “log.err”


    消费端代码

    package com.hmc.rabbitmqapi.exchange.topic;
    
    import com.rabbitmq.client.Channel;
    import com.rabbitmq.client.Connection;
    import com.rabbitmq.client.ConnectionFactory;
    import com.rabbitmq.client.QueueingConsumer;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 10:06
     */
    public class Consumer4TopicExchange {
        public static void main(String[] args) throws Exception {
    
    
            ConnectionFactory connectionFactory = new ConnectionFactory() ;
    
            connectionFactory.setHost("192.168.125.128");
            connectionFactory.setPort(5672);
            connectionFactory.setVirtualHost("/");
    
            connectionFactory.setAutomaticRecoveryEnabled(true);
            connectionFactory.setNetworkRecoveryInterval(3000);
            Connection connection = connectionFactory.newConnection();
    
            Channel channel = connection.createChannel();
            //4 声明
            String exchangeName = "test_topic_exchange";
            String exchangeType = "topic";
            String queueName = "test_topic_queue";
            String routingKey = "user.#";
    //        String routingKey = "user.*";
            // 1 声明交换机
            channel.exchangeDeclare(exchangeName, exchangeType, true, false, false, null);
            // 2 声明队列
            channel.queueDeclare(queueName, false, false, false, null);
            // 3 建立交换机和队列的绑定关系:
            channel.queueBind(queueName, exchangeName, routingKey);
    
            //durable 是否持久化消息
            QueueingConsumer consumer = new QueueingConsumer(channel);
            //参数:队列名称、是否自动ACK、Consumer
            channel.basicConsume(queueName, true, consumer);
            //循环获取消息
            while(true){
                //获取消息,如果没有消息,这一步将会一直阻塞
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                String msg = new String(delivery.getBody());
                System.out.println("收到消息:" + msg);
            }
        }
    }

    生产端代码

    package com.hmc.rabbitmqapi.exchange.topic;
    
    import com.rabbitmq.client.Channel;
    import com.rabbitmq.client.Connection;
    import com.rabbitmq.client.ConnectionFactory;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 10:08
     */
    public class Producer4TopicExchange {
        public static void main(String[] args) throws Exception {
    
            //1 创建ConnectionFactory
            ConnectionFactory connectionFactory = new ConnectionFactory();
            connectionFactory.setHost("192.168.125.128");
            connectionFactory.setPort(5672);
            connectionFactory.setVirtualHost("/");
    
            //2 创建Connection
            Connection connection = connectionFactory.newConnection();
            //3 创建Channel
            Channel channel = connection.createChannel();
            //4 声明
            String exchangeName = "test_topic_exchange";
            String routingKey1 = "user.save";
            String routingKey2 = "user.update";
            String routingKey3 = "user.delete.abc";
            //5 发送
    
            String msg = "Hello World RabbitMQ 4 Topic Exchange Message ...";
            channel.basicPublish(exchangeName, routingKey1 , null , msg.getBytes());
            channel.basicPublish(exchangeName, routingKey2 , null , msg.getBytes());
            channel.basicPublish(exchangeName, routingKey3 , null , msg.getBytes());
            channel.close();
            connection.close();
        }
    }

    输出交换机

    输出交换机Fanout Exchange(不做路由)

    不处理路由键,只需要简单的将队列绑定到交换机上;
    发送到交换机的消息都会被转发到与该交换机绑定的所有队列上;
    Fanout交换机转发消息是最快的

     消费端代码

    package com.hmc.rabbitmqapi.exchange.fanout;
    
    import com.rabbitmq.client.Channel;
    import com.rabbitmq.client.Connection;
    import com.rabbitmq.client.ConnectionFactory;
    import com.rabbitmq.client.QueueingConsumer;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 10:21
     */
    public class Consumer4FanoutExchange {
        public static void main(String[] args) throws Exception {
    
            ConnectionFactory connectionFactory = new ConnectionFactory() ;
    
            connectionFactory.setHost("192.168.125.128");
            connectionFactory.setPort(5672);
            connectionFactory.setVirtualHost("/");
    
            connectionFactory.setAutomaticRecoveryEnabled(true);
            connectionFactory.setNetworkRecoveryInterval(3000);
            Connection connection = connectionFactory.newConnection();
    
            Channel channel = connection.createChannel();
            //4 声明
            String exchangeName = "test_fanout_exchange";
            String exchangeType = "fanout";
            String queueName = "test_fanout_queue";
            String routingKey = "";    //不设置路由键
            channel.exchangeDeclare(exchangeName, exchangeType, true, false, false, null);
            channel.queueDeclare(queueName, false, false, false, null);
            channel.queueBind(queueName, exchangeName, routingKey);
    
            //durable 是否持久化消息
            QueueingConsumer consumer = new QueueingConsumer(channel);
            //参数:队列名称、是否自动ACK、Consumer
            channel.basicConsume(queueName, true, consumer);
            //循环获取消息
            while(true){
                //获取消息,如果没有消息,这一步将会一直阻塞
                QueueingConsumer.Delivery delivery = consumer.nextDelivery();
                String msg = new String(delivery.getBody());
                System.out.println("收到消息:" + msg);
            }
        }
    }

    生产端代码

    package com.hmc.rabbitmqapi.exchange.fanout;
    
    import com.rabbitmq.client.Channel;
    import com.rabbitmq.client.Connection;
    import com.rabbitmq.client.ConnectionFactory;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 10:21
     */
    public class Producer4FanoutExchange {
        public static void main(String[] args) throws Exception {
    
            //1 创建ConnectionFactory
            ConnectionFactory connectionFactory = new ConnectionFactory();
            connectionFactory.setHost("192.168.125.128");
            connectionFactory.setPort(5672);
            connectionFactory.setVirtualHost("/");
    
            //2 创建Connection
            Connection connection = connectionFactory.newConnection();
            //3 创建Channel
            Channel channel = connection.createChannel();
            //4 声明
            String exchangeName = "test_fanout_exchange";
            //5 发送
            for(int i = 0; i < 10; i ++) {
                String msg = "Hello World RabbitMQ 4 FANOUT Exchange Message ...";
                channel.basicPublish(exchangeName, "", null , msg.getBytes());
            }
            channel.close();
            connection.close();
        }
    }

     

    Binding-绑定

    Exchange和Exchange、Queue之间的连接关系;

    Binding中可以包含RoutingKey或者参数

    Queue-消息队列

    消息队列,实际存储消息数据

    Durability:是否持久化

    Durable:是,Transient:否

    Auto delete:如选yes,代表当最后一个监听被移除之后,该Queue会自动被删除

    Message-消息

    服务器和应用程序之间传递的数据

    本质上就是一段数据,由Properties和Payload(Body)组成

    常用属性:delivery model、headers(自定义属性)

    Message-其他属性

    content_type、content_encoding、priority

    correlation_id、reply_to、expiration、message_id

    Timestamp、type、user_id、app_id、cluster_id

    Virtual host-虚拟主机

    虚拟地址,用于进行逻辑隔离,最上层的消息路由

    一个Virtual Host里面可以有若干个Exchange和Queue

    同一个Virtual Host里面不能有相同名称的Exchange或Queue

    小结:

    RabbitMQ的概念、安装与使用、管控台操作;

    结合RabbitMQ的特性、Exchange、Queue、Binding、RoutingKey、Message进行核心API的讲解

    RabbitMQ整合 SpringCloud实战

    注意一点,在发送消息的时候对template进行配置mandatory=true保证监听有效

    生产端还可以配置其他属性,比如发送重试,超时时间、次数、间隔等

    消费端核心配置

    u 首先配置手工确认模式,用于ACK的手工处理,这样我们可以保证消息的可靠性送达,或者在消费端消费失败的时候可以做到重回队列、根据业务记录日志等处理

    u 可以设置消费端的监听个数和最大个数,用于控制消费端的并发情况

    @RabbitListener注解的使用

    消费端监听@RabbitListener注解,这个对于在实际工作中非常的好用

    u @RabbitListener是一个组合注解,里面可以注解配置(@QueueBinding、@Queue、@Exchange)直接通过这个组合注解一次性搞定消费端交换机、队列、绑定、路由、并且配置监听功能等

    相关代码

    rabbitmq-common子项目

    package com.hmc.rabbitmqcommon.entity;
    
    import java.io.Serializable;
    
    /**
     * @author 胡明财
     * @site www.xiaomage.com
     * @company
     * @create  2019-12-21 10:48
     */
    public class Order implements Serializable {
    
        private String id;
        private String name;
    
        public Order() {
        }
        public Order(String id, String name) {
            super();
            this.id = id;
            this.name = name;
        }
        public String getId() {
            return id;
        }
        public void setId(String id) {
            this.id = id;
        }
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
    
    }

    创建一个子项目:rabbitmq-springcloud-consumer

    Pom依赖

    <?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.2.2.RELEASE</version>
            <relativePath/> <!-- lookup parent from repository -->
        </parent>
        <groupId>com.hmc</groupId>
        <artifactId>rabbitmq-springcloud-consumer</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <name>rabbitmq-springcloud-consumer</name>
        <description>Demo project for Spring Boot</description>
    
        <properties>
            <java.version>1.8</java.version>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter</artifactId>
            </dependency>
    
            <dependency>
                <groupId>com.cgl</groupId>
                <artifactId>rabbitmq-common</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
                <exclusions>
                    <exclusion>
                        <groupId>org.junit.vintage</groupId>
                        <artifactId>junit-vintage-engine</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-amqp</artifactId>
            </dependency>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
        </dependencies>
    
    
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </build>
    
    </project>

    Yml配置

    spring.rabbitmq.addresses=192.168.197.134:5672
    spring.rabbitmq.username=guest
    spring.rabbitmq.password=guest
    spring.rabbitmq.virtual-host=/
    spring.rabbitmq.connection-timeout=15000
    
    server.port=80
    server.servlet.context-path=/
    
    spring.rabbitmq.listener.simple.acknowledge-mode=manual
    spring.rabbitmq.listener.simple.concurrency=5
    spring.rabbitmq.listener.simple.max-concurrency=10
    
    spring.rabbitmq.listener.order.queue.name=queue-2
    spring.rabbitmq.listener.order.queue.durable=true
    spring.rabbitmq.listener.order.exchange.name=exchange-2
    spring.rabbitmq.listener.order.exchange.durable=true
    spring.rabbitmq.listener.order.exchange.type=topic
    spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions=true
    spring.rabbitmq.listener.order.key=springboot.*

    RabbitReceiver

    package com.hmc.rabbitmqspringcloudconsumer.conusmer;
    
    import com.cgl.rabbitmqcommon.entity.Order;
    import com.rabbitmq.client.Channel;
    import org.springframework.amqp.rabbit.annotation.*;
    import org.springframework.amqp.support.AmqpHeaders;
    import org.springframework.messaging.Message;
    import org.springframework.messaging.handler.annotation.Headers;
    import org.springframework.messaging.handler.annotation.Payload;
    import org.springframework.stereotype.Component;
    
    import java.util.Map;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 11:08
     */
    @Component
    public class RabbitReceiver {
    
        @RabbitListener(bindings = @QueueBinding(
                value = @Queue(value = "queue-1",
                        durable="true"),
                exchange = @Exchange(value = "exchange-1",
                        durable="true",
                        type= "topic",
                        ignoreDeclarationExceptions = "true"),
                key = "springboot.*"
        )
        )
        @RabbitHandler
        public void onMessage(Message message, Channel channel) throws Exception {
            System.err.println("--------------------------------------");
            System.err.println("消费端Payload: " + message.getPayload());
            Long deliveryTag = (Long)message.getHeaders().get(AmqpHeaders.DELIVERY_TAG);
            //手工ACK
            channel.basicAck(deliveryTag, false);
        }
    
    
        /**
         *
         *     spring.rabbitmq.listener.order.queue.name=queue-2
         spring.rabbitmq.listener.order.queue.durable=true
         spring.rabbitmq.listener.order.exchange.name=exchange-1
         spring.rabbitmq.listener.order.exchange.durable=true
         spring.rabbitmq.listener.order.exchange.type=topic
         spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions=true
         spring.rabbitmq.listener.order.key=springboot.*
         * @param order
         * @param channel
         * @param headers
         * @throws Exception
         */
        @RabbitListener(bindings = @QueueBinding(
                value = @Queue(value = "${spring.rabbitmq.listener.order.queue.name}",
                        durable="${spring.rabbitmq.listener.order.queue.durable}"),
                exchange = @Exchange(value = "${spring.rabbitmq.listener.order.exchange.name}",
                        durable="${spring.rabbitmq.listener.order.exchange.durable}",
                        type= "${spring.rabbitmq.listener.order.exchange.type}",
                        ignoreDeclarationExceptions = "${spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions}"),
                key = "${spring.rabbitmq.listener.order.key}"
        )
        )
        @RabbitHandler
        public void onOrderMessage(@Payload Order order,
                                   Channel channel,
                                   @Headers Map<String, Object> headers) throws Exception {
            System.err.println("--------------------------------------");
            System.err.println("消费端order: " + order.getId());
            Long deliveryTag = (Long)headers.get(AmqpHeaders.DELIVERY_TAG);
            //手工ACK
            channel.basicAck(deliveryTag, false);
        }
    
    
    }

    MainConfig.java

    package com.cgl.rabbitmqspringcloudconsumer;
    
    import org.springframework.context.annotation.ComponentScan;
    import org.springframework.context.annotation.Configuration;
    
    /**
     * @author caoguangli
     * @company
     * @create  2019-12-21 11:18
     */
    
    @Configuration
    @ComponentScan({"com.cgl.rabbitmqspringcloudconsumer.*"})
    public class MainConfig {
    }

    创建项目 :rabbitmq-springcloud-producer

    Pom依赖

    <?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.2.2.RELEASE</version>
            <relativePath/> <!-- lookup parent from repository -->
        </parent>
        <groupId>com.cgl</groupId>
        <artifactId>rabbitmq-springcloud-producer</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <name>rabbitmq-springcloud-producer</name>
        <description>Demo project for Spring Boot</description>
    
        <properties>
            <java.version>1.8</java.version>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter</artifactId>
            </dependency>
    
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
                <exclusions>
                    <exclusion>
                        <groupId>org.junit.vintage</groupId>
                        <artifactId>junit-vintage-engine</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
    
            <dependency>
                <groupId>com.cgl</groupId>
                <artifactId>rabbitmq-common</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-amqp</artifactId>
            </dependency>
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
        </dependencies>
    
    
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </build>
    
    </project>

    Yml配置

    spring.rabbitmq.addresses=192.168.197.134:5672
    spring.rabbitmq.username=guest
    spring.rabbitmq.password=guest
    spring.rabbitmq.virtual-host=/
    spring.rabbitmq.connection-timeout=15000
    
    spring.rabbitmq.publisher-confirms=true
    spring.rabbitmq.publisher-returns=true
    spring.rabbitmq.template.mandatory=true

    RabbitSender.java

    package com.hmc.rabbitmqspringcloudproducer.producer;
    
    import com.hmc.rabbitmqcommon.entity.Order;
    import org.springframework.amqp.rabbit.connection.CorrelationData;
    import org.springframework.amqp.rabbit.core.RabbitTemplate;
    import org.springframework.amqp.rabbit.core.RabbitTemplate.ConfirmCallback;
    import org.springframework.amqp.rabbit.core.RabbitTemplate.ReturnCallback;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.messaging.Message;
    import org.springframework.messaging.MessageHeaders;
    import org.springframework.messaging.support.MessageBuilder;
    import org.springframework.stereotype.Component;
    
    import java.util.Map;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 11:25
     */
    @Component
    public class RabbitSender {
        //自动注入RabbitTemplate模板类
        @Autowired
        private RabbitTemplate rabbitTemplate;
    
        //回调函数: confirm确认
        final RabbitTemplate.ConfirmCallback confirmCallback = new RabbitTemplate.ConfirmCallback() {
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.err.println("correlationData: " + correlationData);
                System.err.println("ack: " + ack);
                if(!ack){
                    System.err.println("异常处理....");
                }
            }
        };
    
        //回调函数: return返回
        final RabbitTemplate.ReturnCallback returnCallback = new RabbitTemplate.ReturnCallback() {
            @Override
            public void returnedMessage(org.springframework.amqp.core.Message message, int replyCode, String replyText,
                                        String exchange, String routingKey) {
                System.err.println("return exchange: " + exchange + ", routingKey: "
                        + routingKey + ", replyCode: " + replyCode + ", replyText: " + replyText);
            }
        };
    
        //发送消息方法调用: 构建Message消息
        public void send(Object message, Map<String, Object> properties) throws Exception {
            MessageHeaders mhs = new MessageHeaders(properties);
            Message msg = MessageBuilder.createMessage(message, mhs);
            rabbitTemplate.setConfirmCallback(confirmCallback);
            rabbitTemplate.setReturnCallback(returnCallback);
            //id + 时间戳 全局唯一
            CorrelationData correlationData = new CorrelationData("1234567890");
            rabbitTemplate.convertAndSend("exchange-1", "springboot.abc", msg, correlationData);
        }
    
        //发送消息方法调用: 构建自定义对象消息
        public void sendOrder(Order order) throws Exception {
            rabbitTemplate.setConfirmCallback(confirmCallback);
            rabbitTemplate.setReturnCallback(returnCallback);
            //id + 时间戳 全局唯一
            CorrelationData correlationData = new CorrelationData("0987654321");
            rabbitTemplate.convertAndSend("exchange-2", "springboot.def", order, correlationData);
        }
    }

    MainConfig.java

    package com.hmc.rabbitmqspringcloudproducer;
    
    import org.springframework.context.annotation.ComponentScan;
    import org.springframework.context.annotation.Configuration;
    
    /**
     * @author 胡明财
     * @company
     * @create  2019-12-21 11:28
     */
    
    @Configuration
    @ComponentScan({"com.cgl.rabbitmqspringcloudproducer.*"})
    public class MainConfig {
    }

    测试代码

    package com.hmc.rabbitmqspringcloudproducer;
    
    import com.hmc.rabbitmqcommon.entity.Order;
    import com.cgl.rabbitmqspringcloudproducer.producer.RabbitSender;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.boot.test.context.SpringBootTest;
    import org.springframework.test.context.junit4.SpringRunner;
    
    import java.text.SimpleDateFormat;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Map;
    
    @RunWith(SpringRunner.class)
    @SpringBootTest
    public class RabbitmqSpringcloudProducerApplicationTests {
    
        @Autowired
        private RabbitSender rabbitSender;
    
        private static SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
    
        @Test
        public void testSender1() throws Exception {
            Map<String, Object> properties = new HashMap<>();
            properties.put("number", "12345");
            properties.put("send_time", simpleDateFormat.format(new Date()));
            rabbitSender.send("Hello RabbitMQ For Spring Boot!", properties);
        }
    
        @Test
        public void testSender2() throws Exception {
            Order order = new Order("001", "第一个订单");
            rabbitSender.sendOrder(order);
        }
    
    }

     

     

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  • 原文地址:https://www.cnblogs.com/xmf3628/p/12081857.html
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