SpringBoot整合rabbitmq-主题交换机队列（四）

点点@2024-03-01 20:05

说明：Topic主题交换机它的大致流程是交换机和一个或者多个队列绑定，这个绑定的Routingkey是包含通配符的，满足通配符的队列会接收到消息。

通配符规则：

#：匹配一个或多个词

*：匹配一个词

例如：

topic.#：能匹配 topic.xxx 或者 topic.xxx.xxx

topic.*：只能匹配 topic.xxx

工程图：

A.总体maven依赖

pom.xml

java 复制代码 
<?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>
  <parent>
    <artifactId>spring-boot-starter-parent</artifactId>  <!-- 被继承的父项目的构件标识符 -->
    <groupId>org.springframework.boot</groupId>  <!-- 被继承的父项目的全球唯一标识符 -->
    <version>2.2.2.RELEASE</version>  <!-- 被继承的父项目的版本 -->
    <relativePath/> <!-- lookup parent from repository -->
  </parent>

  <groupId>RabbitMqSpringbootDemo</groupId>
  <artifactId>RabbitMqSpringbootDemo</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>pom</packaging>
  <modules>
    <module>MqCustomer</module>
    <module>MqProducer</module>
  </modules>

  <name>RabbitMqSpringbootDemo Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
  </properties>

  <dependencies>


  </dependencies>

  <build>
    <finalName>RabbitMqSpringbootDemo</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>

B.生产者

1.pom.xml

java 复制代码 
<?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">
    <parent>
        <artifactId>RabbitMqSpringbootDemo</artifactId>
        <groupId>RabbitMqSpringbootDemo</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>MqProducer</artifactId>
    <packaging>jar</packaging>

    <name>MqProducer Maven Webapp</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <!--spring boot核心-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <!--spring boot 测试-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--springmvc web-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--开发环境调试-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>
        <!--amqp 支持-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.78</version>
        </dependency>

        <!-- commons-lang3 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.10</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>MqProducer</finalName>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.1.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.8.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>

2.application.yml

java 复制代码 
server:
  port: 8080
spring:
  rabbitmq:
    port: 5672
    host: 192.168.18.145
    username: admin
    password: admin
    virtual-host: /

3.TopicRabbitConfig

java 复制代码 
package com.dev.config;

import org.springframework.amqp.core.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * 类名称：主题交换机的使用
 *
 * @author lqw
 * @date 2024年02月28日 10:40
 */
@Configuration
public class TopicRabbitConfig {

    //绑定键
    public final static String high = "topic.highSchool.one";

    public final static String middle = "topic.middleSchool.one";


    @Bean
    public Queue oneQueue() {
        return new Queue(TopicRabbitConfig.high);
    }

    @Bean
    public Queue twoQueue() {
        return new Queue(TopicRabbitConfig.middle);
    }


    @Bean
    TopicExchange exchange() {
        return new TopicExchange("topicExchange");
    }



    @Bean
    Binding bindingExchangeMessageA() {
        return BindingBuilder.bind(oneQueue()).to(exchange()).with("topic.highSchool.#");
    }

    @Bean
    Binding bindingExchangeMessageB() {
        return BindingBuilder.bind(twoQueue()).to(exchange()).with("topic.middleSchool.#");
    }



}

4.TopicRabbitController

java 复制代码 
package com.dev.controller;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;


/**
 * 类名称：主题交换机 消息生产者
 *
 * @author lqw
 * @date 2024年02月27日 14:47
 */
@Slf4j
@RestController
@RequestMapping("topic")
public class TopicRabbitController {


    @Autowired
    RabbitTemplate rabbitTemplate;  //使用RabbitTemplate,这提供了接收/发送等等方法


    /**
     * topic测试
     * @return
     */
    @GetMapping("/sendMessageA")//匹配到 topic.highSchool.one
    public String sendMessageA() {
        Map<String,Object> map = new HashMap<>();
        map.put("name","张龙");
        map.put("school","高中");
        rabbitTemplate.convertAndSend("topicExchange", "topic.highSchool.two", map);
        return "ok";
    }

    @GetMapping("/sendMessageB")//匹配到 topic.middleSchool.one
    public String sendMessageB() {
        Map<String,Object> map = new HashMap<>();
        map.put("name","赵虎");
        map.put("school","初中");
        rabbitTemplate.convertAndSend("topicExchange", "topic.middleSchool.two", map);
        return "ok";
    }

    @GetMapping("/sendMessageBB")//匹配到 topic.middleSchool.one
    public String sendMessageBB() {
        Map<String,Object> map = new HashMap<>();
        map.put("name","赵虎B");
        map.put("school","初中B");
        rabbitTemplate.convertAndSend("topicExchange", "topic.middleSchool.two.cc", map);
        return "ok";
    }



}

5.AppP

java 复制代码 
package com.dev;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * 类名称：
 *
 * @author 李庆伟
 * @date 2024年02月27日 14:20
 */
@SpringBootApplication
public class AppP {

    public static void main(String[] args) {
        SpringApplication.run(AppP.class);
    }
}

C.消费者

1.pom.xml

java 复制代码 
<?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">
    <parent>
        <artifactId>RabbitMqSpringbootDemo</artifactId>
        <groupId>RabbitMqSpringbootDemo</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>MqCustomer</artifactId>
    <packaging>jar</packaging>

    <name>MqCustomer Maven Webapp</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <!--spring boot核心-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <!--spring boot 测试-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--springmvc web-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--开发环境调试-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>
        <!--amqp 支持-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>
        <!-- commons-lang3 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.4</version>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.10</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>MqCustomer</finalName>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.1.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.8.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.22.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>
</project>

2.application.yml

java 复制代码 
server:
  port: 8081

spring:
  rabbitmq:
    port: 5672
    host: 192.168.18.145
    username: admin
    password: admin

3.TopicRabbitListenerA

java 复制代码 
package cn.ct.listeners;

import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.util.Map;


/**
 * 类名称：主题交换机，消息消费者
 * 直连
 * @author lqw
 * @date 2024年02月27日 14:58
 */
@Component
public class TopicRabbitListenerA {

    @RabbitListener(queues = "topic.highSchool.one")
    @RabbitHandler
    public void process(Map msg) {
        System.out.println("Rabbitmq topic : " + msg);
        System.out.println("Rabbitmq topic : " + msg);
    }



}

4.TopicRabbitListenerB

java 复制代码 
package cn.ct.listeners;

import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.util.Map;


/**
 * 类名称：主题交换机，消息消费者
 * 直连
 * @author lqw
 * @date 2024年02月27日 14:58
 */
@Component
public class TopicRabbitListenerB {

    @RabbitListener(queues = "topic.middleSchool.one")
    @RabbitHandler
    public void process(Map msg) {
        System.out.println("Rabbitmq topic : " + msg);
        System.out.println("Rabbitmq topic : " + msg);
    }



}

5.AppC

java 复制代码 
package cn.ct;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * 类名称：
 *
 * @author lqw
 * @date 2024年02月27日 14:20
 */
@SpringBootApplication
public class AppC {

    public static void main(String[] args) {
        SpringApplication.run(AppC.class);
    }
}
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