java——spring boot集成RabbitMQ——spring boot实现路由模式——消费者

pom文件：

<?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>

    <groupId>org.example</groupId>
    <artifactId>springrmqtopicreceiver</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>


    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.5</version>
        <relativePath/>
    </parent>


    <dependencies>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>

    </dependencies>

</project>

 

 

 

 

 

 

 

 

yml配置：

spring:
  rabbitmq:
    host: 127.0.0.1
    port: 5672
    username: guest
    password: guest

 

 

 

 

 

 

 

 

config配置：

package org.example.config;

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.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 主题交换机
 * topic策略可以根据routingKey的规则（通配符方式）进行去匹配队列进行转发规则为*.#.*
 */
@Configuration
public class RabbitTopicConfig {

    public final static String TOPIC_NAME = "amqp-topic";

    @Bean
    TopicExchange topicExchange(){
        return new TopicExchange(TOPIC_NAME,true,false);
    }

    @Bean
    Queue xiaomi(){
        return new Queue("xiaomi");
    }

    @Bean
    Queue huawei(){
        return new Queue("huawei");
    }


    @Bean
    Binding xiaomiBinding(){
        //xiaomi.#：表示消息的routingKey是以xiaomi开头的就会路由到xiaomi的队列
        return BindingBuilder.bind(xiaomi()).to(topicExchange()).with("xiaomi.#");
    }

    @Bean
    Binding huaweiBinding(){
        return BindingBuilder.bind(huawei()).to(topicExchange()).with("huawei.#");
    }


}

 

 

 

 

 

 

 

 

 

接收：

package org.example.receiver;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

/**
 *
 * @Auther: moerhai@qq.com
 * @Date: 2020/10/4 14:36
 */
@Component
public class TopicReceiver {

    //分别监听名称为xiaomi、huawei的队列
    @RabbitListener(queues = "xiaomi")
    public void handlerXM(String msg){
        System.out.println("TopicReceiver:handlerXM>>>"+msg);
    }

    @RabbitListener(queues = "huawei")
    public void handlerHW(String msg){
        System.out.println("TopicReceiver:handlerHW>>>"+msg);
    }


}