• rabbitMq完整通信(一)---producer


    application.properties:

    server.port=8080
    spring.application.name=producer
    spring.rabbitmq.host=127.0.0.1
    spring.rabbitmq.port=5672
    spring.rabbitmq.username=guest
    spring.rabbitmq.password=guest
    
    最后是pom

    先创建两个队列:

    package com..direct;
    
    import org.springframework.amqp.core.Queue;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    //配置类,随系统启动时,创建两个队列, 用来接收发送过来的数据
    @Configuration
    public class DirectConf {
         @Bean
         public Queue queue() {
    //          System.out.println("系统启动时:创建一个queue的队列到rabbitMQ");
              return new Queue("queue");
         }
         @Bean
         public Queue queueObject() {
    //          System.out.println("系统启动时:创建一个queueObject的队列到rabbitMQ");
              return new Queue("queueObject");
         }
    }

    创建队列和交换器,并进行绑定:

    package com..topic;
    
    import org.springframework.amqp.core.Binding;
    import org.springframework.amqp.core.BindingBuilder;
    import org.springframework.amqp.core.Queue;
    import org.springframework.amqp.core.TopicExchange;
    import org.springframework.beans.factory.annotation.Qualifier;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    //配置类,随系统启动时,根据需求创建交换器和队列, 用来接收服务端发送过来的数据
    @Configuration
    public class TopicConf {
    
            //系统启动时:创建一个message的队列到rabbitMQ
            @Bean(name="message")
            public Queue queueMessage() {
                System.out.println("系统启动时:创建一个topic.order的队列到rabbitMQ");
                return new Queue("topic.order");
            }
    
            //系统启动时:创建一个exchange的交换器到rabbitMQ
            @Bean
            public TopicExchange exchange() {
                return new TopicExchange("exchange");
            }
            //系统启动时:将exchange的交换器与队列绑定
            @Bean
            Binding bindingExchangeMessage(@Qualifier("message") Queue queueMessage, TopicExchange exchange) {
                System.out.println("系统启动时:将exchange的交换器与topic.order队列绑定");
                return BindingBuilder.bind(queueMessage).to(exchange).with("topic.order");
            }
    
    }

    定义队列发送的方法:

    package com..sender;
    
    import java.util.Map;
    import org.springframework.amqp.core.AmqpTemplate;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Component;
    
    @Component
    public class RabbitSender {
        //注入AmqpTemplate
        @Autowired
        private AmqpTemplate template;
        //由AmqpTemplate将数据发送到指定的队列
        public void send(String queueName,String orderId) {
            System.out.println("由AmqpTemplate将数据发送到指定的队列");
            template.convertAndSend(queueName, orderId);
        }
        //由AmqpTemplate将数据发送到指定的队列,主要用于发送对象
        public void sendObject(String queueName,Map user) {
            System.out.println("由AmqpTemplate将数据发送到指定的队列,主要用于发送对象");
            template.convertAndSend(queueName,user);
        }
        //由AmqpTemplate将数据发送到交换机和队列
        public void sendTopic(String exchange, String queueName, String orderId) {
            System.out.println(Thread.currentThread().getName()+":  进入sendTopic方法");
            System.out.println("%%%由AmqpTemplate将数据发送到交换机"+exchange+" 和队列 "+queueName);
            template.convertAndSend(exchange,queueName,orderId);
        }
    }

    RabbitListener监听服务端发送到队列的数据:

    package com.wondersgroup.receive;
    
    import java.util.Map;
    import org.springframework.amqp.rabbit.annotation.RabbitListener;
    import org.springframework.stereotype.Component;
    
    @Component
    public class OrderInfoReceive {
        //接收从topic.orderReceive队列的数据(主要存放了服务端订单查询的结果)
        @RabbitListener(queues="topic.orderReceive")    
        public void process1(String orderInfo) {    //用User作为参数
            System.out.println("监听%%%====topic.orderReceive  队列取到的  orderInfo :========:"+orderInfo);
        }    
    }

    POM:

    <?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>product</artifactId>
        <packaging>jar</packaging>
    
       <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
           <version>1.5.21.RELEASE</version>
        </parent>
        <properties>
            <java.version>1.8</java.version>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        </properties>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter</artifactId>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-devtools</artifactId>
                <optional>true</optional>
                <scope>true</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-actuator</artifactId>
            </dependency>
            <!-- 添加springboot对amqp的支持 -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-amqp</artifactId>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-tomcat</artifactId>
                <scope>provided</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.tomcat.embed</groupId>
                <artifactId>tomcat-embed-jasper</artifactId>
                <scope>provided</scope>
            </dependency>
        </dependencies>
    </project>
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  • 原文地址:https://www.cnblogs.com/lifan12589/p/14308993.html
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