Spring Boot如何 配置多个RabbitMQ

闲话

好久没有写博客了，6月份毕业，因为工作原因，公司上网受限，一直没能把学到的知识点写下来，工作了半年，其实学到的东西也不少，但是现在回忆起来的东西少之又少，有时甚至能在同个问题中踩了几次，越来越觉得及时记录一下学到的东西很重要。

好了，闲话少说，写下这段时间学习的东西，先记录一下用spring Boot配置多个RabbitMQ的情况。。。

最近公司新启动一个新平台的项目，需要用微服务这个这几年很火的概念来做，所以就学习了Spring Boot方面的知识，给同事展示Spring Boot的一些小事例的时候，同事提出了可不可以配置多个RabbitMQ？下面就是在Spring Boot配置多个RabbitMQ的例子。是自己摸索搭建的，也不知道对不对，有其他好的实现方法的网友可以互相交流一下。

项目代码构造

关注点在红框的代码。。。

代码

下面就把项目的代码展示下来

application.properties

配置文件

spring.application.name=rabbitmq-hello# RabbitMQspring.rabbitmq.first.host=node9spring.rabbitmq.first.port=5670spring.rabbitmq.first.username=guestspring.rabbitmq.first.password=guestspring.rabbitmq.second.host=localhostspring.rabbitmq.second.port=5672spring.rabbitmq.second.username=guestspring.rabbitmq.second.password=guest# MySQLspring.datasource.url = jdbc:mysql://localhost:3306/cloudtestspring.datasource.username = rootspring.datasource.password = rootspring.datasource.driverClassName = com.mysql.jdbc.Driver

HelloApplication.java

程序入口

package com.paas.springboot.demo01;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplicationpublic class HelloApplication { public static void main(String[] args) {  SpringApplication.run(HelloApplication.class, args); }}

RabbitConfig.java

RabbitMQ配置类

package com.paas.springboot.demo01;import org.springframework.amqp.core.Queue;import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;import org.springframework.amqp.rabbit.connection.ConnectionFactory;import org.springframework.amqp.rabbit.core.RabbitTemplate;import org.springframework.beans.factory.annotation.Qualifier;import org.springframework.beans.factory.annotation.Value;import org.springframework.boot.autoconfigure.amqp.SimpleRabbitListenerContainerFactoryConfigurer;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.context.annotation.Primary;@Configurationpublic class RabbitConfig { @Bean(name="firstConnectionFactory") @Primary public ConnectionFactory firstConnectionFactory(           @Value("${spring.rabbitmq.first.host}") String host,            @Value("${spring.rabbitmq.first.port}") int port,           @Value("${spring.rabbitmq.first.username}") String username,           @Value("${spring.rabbitmq.first.password}") String password           ){  CachingConnectionFactory connectionFactory = new CachingConnectionFactory();  connectionFactory.setHost(host);  connectionFactory.setPort(port);  connectionFactory.setUsername(username);  connectionFactory.setPassword(password);  return connectionFactory; } @Bean(name="secondConnectionFactory") public ConnectionFactory secondConnectionFactory(           @Value("${spring.rabbitmq.second.host}") String host,            @Value("${spring.rabbitmq.second.port}") int port,           @Value("${spring.rabbitmq.second.username}") String username,           @Value("${spring.rabbitmq.second.password}") String password           ){  CachingConnectionFactory connectionFactory = new CachingConnectionFactory();  connectionFactory.setHost(host);  connectionFactory.setPort(port);  connectionFactory.setUsername(username);  connectionFactory.setPassword(password);  return connectionFactory; } @Bean(name="firstRabbitTemplate") @Primary public RabbitTemplate firstRabbitTemplate(           @Qualifier("firstConnectionFactory") ConnectionFactory connectionFactory           ){  RabbitTemplate firstRabbitTemplate = new RabbitTemplate(connectionFactory);  return firstRabbitTemplate; } @Bean(name="secondRabbitTemplate") public RabbitTemplate secondRabbitTemplate(           @Qualifier("secondConnectionFactory") ConnectionFactory connectionFactory           ){  RabbitTemplate secondRabbitTemplate = new RabbitTemplate(connectionFactory);  return secondRabbitTemplate; } @Bean(name="firstFactory") public SimpleRabbitListenerContainerFactory firstFactory(              SimpleRabbitListenerContainerFactoryConfigurer configurer,              @Qualifier("firstConnectionFactory") ConnectionFactory connectionFactory                ) {  SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();  configurer.configure(factory, connectionFactory);  return factory; } @Bean(name="secondFactory") public SimpleRabbitListenerContainerFactory secondFactory(              SimpleRabbitListenerContainerFactoryConfigurer configurer,              @Qualifier("secondConnectionFactory") ConnectionFactory connectionFactory                 ) {  SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();  configurer.configure(factory, connectionFactory);  return factory; } @Bean public Queue firstQueue() {  System.out.println("configuration firstQueue ........................");  return new Queue("hello1"); } @Bean public Object secondQueue() {  System.out.println("configuration secondQueue ........................");  return new Queue("hello2"); }}

Receiver.java

RabbitMQ中的消费者，接收first RabbitMQ中的队列hello1的数据

package com.paas.springboot.demo01;import org.springframework.amqp.rabbit.annotation.RabbitHandler;import org.springframework.amqp.rabbit.annotation.RabbitListener;import org.springframework.stereotype.Component;@Component@RabbitListener(queues = "hello1", containerFactory="firstFactory")public class Receiver { @RabbitHandler public void process(String hello) {  System.out.println("Receiver : " + hello); }}

Receiver2.java

RabbitMQ中的消费者，接收second RabbitMQ中的队列hello2的数据

package com.paas.springboot.demo01;import org.springframework.amqp.rabbit.annotation.RabbitHandler;import org.springframework.amqp.rabbit.annotation.RabbitListener;import org.springframework.stereotype.Component;@Component@RabbitListener(queues = "hello2", containerFactory="secondFactory" )public class Receiver2 { @RabbitHandler public void process(String hello) {  System.out.println("Receiver : " + hello); }}

Sender.java

RabbitMQ中的生产者，发送消息到first RabbitMQ中的队列hello1和hello2

package com.paas.springboot.demo01;import java.util.Date;import javax.annotation.Resource;import org.springframework.amqp.rabbit.core.RabbitTemplate;import org.springframework.stereotype.Component;@Componentpublic class Sender { @Resource(name="firstRabbitTemplate") private RabbitTemplate firstRabbitTemplate; public void send1() {  String context = "hello1 " + new Date();  System.out.println("Sender : " + context);  this.firstRabbitTemplate.convertAndSend("hello1", context); } public void send2() {  String context = "hello2 " + new Date();  System.out.println("Sender : " + context);  this.firstRabbitTemplate.convertAndSend("hello2", context); }}

Sender2.java

RabbitMQ中的生产者，发送消息到second RabbitMQ中的队列hello1和hello2

package com.paas.springboot.demo01;import java.util.Date;import javax.annotation.Resource;import org.springframework.amqp.rabbit.core.RabbitTemplate;import org.springframework.stereotype.Component;@Componentpublic class Sender { @Resource(name="firstRabbitTemplate") private RabbitTemplate firstRabbitTemplate; public void send1() {  String context = "hello1 " + new Date();  System.out.println("Sender : " + context);  this.firstRabbitTemplate.convertAndSend("hello1", context); } public void send2() {  String context = "hello2 " + new Date();  System.out.println("Sender : " + context);  this.firstRabbitTemplate.convertAndSend("hello2", context); }}

TestDemo01.java

测试类，调用Sender发送消息

package com.paas.springboot.demo01;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.boot.test.SpringApplicationConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;@RunWith(SpringJUnit4ClassRunner.class)@SpringApplicationConfiguration(classes = HelloApplication.class)public class TestDemo01 { @Autowired private Sender sender; @Autowired private Sender2 sender2; @Test public void hello() throws Exception {  sender.send1();  sender.send2(); } @Test public void hello2() throws Exception {  sender2.send1();  sender2.send2(); }}

pom.xml

Maven项目中最重要的一个配置文件

<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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.paas.springboot.demo</groupId> <artifactId>springboot</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>springboot Maven Webapp</name> <url>http://maven.apache.org</url> <parent>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-parent</artifactId>  <version>1.4.3.RELEASE</version>  <relativePath /> <!-- lookup parent from repository --> </parent> <dependencies>  <dependency>   <groupId>junit</groupId>   <artifactId>junit</artifactId>   <scope>test</scope>  </dependency>  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-amqp</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-actuator</artifactId>  </dependency>   <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-web</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-jdbc</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-test</artifactId>   <scope>test</scope>  </dependency>  <dependency>   <groupId>com.jayway.jsonpath</groupId>   <artifactId>json-path</artifactId>   <scope>test</scope>  </dependency>  <dependency>   <groupId>mysql</groupId>   <artifactId>mysql-connector-java</artifactId>  </dependency> </dependencies> <build>  <finalName>springboot</finalName>  <plugins>   <plugin>    <groupId>org.springframework.boot</groupId>    <artifactId>spring-boot-maven-plugin</artifactId>   </plugin>  </plugins> </build> <repositories>  <repository>   <id>spring-releases</id>   <url>https://repo.spring.io/libs-release</url>  </repository> </repositories> <pluginRepositories>  <pluginRepository>   <id>spring-releases</id>   <url>https://repo.spring.io/libs-release</url>  </pluginRepository> </pluginRepositories></project>

运行&测试

通过运行HelloApplication.Java，将程序中的Receiver启动一直监控着队列，然后通过运行TestDemo01.java中的测试案例，发送消息到队列中，这时可以发现运行HelloApplication的程序控制台将刚刚发送的消息打印出来