说明:本文章主要是Direct定向/直连类型交换机的使用,它的大致流程是将一个队列绑定到一个直连交换机上,并赋予一个路由键 routingkey,当一个消息携带着路由值为routingkey,这个消息通过生产者发送给交换机时,交换机就会根据这个路由值routingkey去寻找绑定的队列。
工程图:
A.总体maven引入
pom.xml
java
<?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MqProducer
1.pom.xml
java
<?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
server:
port: 8080
spring:
rabbitmq:
port: 5672
host: 192.168.18.145
username: admin
password: admin
virtual-host: /
3.DirectQueueRabbitConfig
java
package com.dev.config;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* 类名称:Direct定向/直连类型交换机的使用
*
* @author lqw
* @date 2024年02月28日 10:40
*/
@Configuration
public class DirectQueueRabbitConfig {
//队列 起名:directQueue
@Bean
public Queue directQueue() {
return new Queue("directQueue",true);
}
//Direct交换机 起名:directExchange
@Bean
DirectExchange directExchange() {
return new DirectExchange("directExchange",true,false);
}
//绑定 将队列和交换机绑定, 并设置用于匹配键:directRoutingKey
@Bean
Binding bindingDirect() {
return BindingBuilder.bind(directQueue()).to(directExchange()).with("directRoutingKey");
}
}
4.DirectQueueController
java
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:直接交换机 消息生产者
*
* @author lqw
* @date 2024年02月27日 14:47
*/
@Slf4j
@RestController
@RequestMapping("directQueue")
public class DirectQueueController {
@Autowired
RabbitTemplate rabbitTemplate; //使用RabbitTemplate,这提供了接收/发送等等方法
/**
* Direct测试
* @return
*/
@GetMapping("/sendMessage")
public String sendMessage() {
Map<String,Object> map = new HashMap<>();
map.put("id","lalala");
map.put("name","zhanglong");
rabbitTemplate.convertAndSend("directExchange", "directRoutingKey", map);
return "ok";
}
}
5.AppP
java
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:MqCustomer
1.pom.xml
java
<?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
server:
port: 8081
spring:
rabbitmq:
port: 5672
host: 192.168.18.145
username: admin
password: admin
3.DirectQueueRabbitListener
java
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:消息消费者
* 直连
* @author lqw
* @date 2024年02月27日 14:58
*/
@Component
public class DirectQueueRabbitListener {
@RabbitListener(queues = "directQueue")
@RabbitHandler
public void process(Map msg) {
System.out.println("Rabbitmq Direct : " + msg);
System.out.println("Rabbitmq Direct : " + msg);
}
}
4.AppC
java
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);
}
}