创建一个空的 maven 工程 spring-rabbitmq-producer:
修改pom.xml文件内容为如下:
<?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>com.lijw</groupId>
<artifactId>spring-rabbitmq-producer</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.amqp</groupId>
<artifactId>spring-rabbit</artifactId>
<version>2.1.8.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.1.7.RELEASE</version>
</dependency>
</dependencies>
</project>
spring-rabbitmq-producer\src\main\resources\properties\rabbitmq.properties
连接参数等配置文件;rabbitmq.host=127.0.0.1
rabbitmq.port=5672
rabbitmq.username=libai
rabbitmq.password=libai
rabbitmq.virtual-host=/test
spring-rabbitmq-producer\src\main\resources\spring\spring-rabbitmq.xml
整合配置文件;<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:rabbit="http://www.springframework.org/schema/rabbit"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/rabbit
http://www.springframework.org/schema/rabbit/spring-rabbit.xsd">
<!--加载配置文件-->
<context:property-placeholder location="classpath:rabbitmq.properties"/>
<!-- 定义rabbitmq connectionFactory -->
<rabbit:connection-factory id="connectionFactory" host="${rabbitmq.host}"
port="${rabbitmq.port}"
username="${rabbitmq.username}"
password="${rabbitmq.password}"
virtual-host="${rabbitmq.virtual-host}"/>
<!--定义管理交换机、队列-->
<rabbit:admin connection-factory="connectionFactory"/>
<!--定义持久化队列,不存在则自动创建;不绑定到交换机则绑定到默认交换机
默认交换机类型为direct,名字为:"",路由键为队列的名称
-->
<!--
id:bean的名称
name:queue的名称
auto-declare:自动创建
auto-delete:自动删除。 最后一个消费者和该队列断开连接后,自动删除队列
exclusive:是否独占
durable:是否持久化
-->
<rabbit:queue id="spring_queue" name="spring_queue" auto-declare="true"/>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~广播;所有队列都能收到消息~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<!--定义广播交换机中的持久化队列,不存在则自动创建-->
<rabbit:queue id="spring_fanout_queue_1" name="spring_fanout_queue_1" auto-declare="true"/>
<!--定义广播交换机中的持久化队列,不存在则自动创建-->
<rabbit:queue id="spring_fanout_queue_2" name="spring_fanout_queue_2" auto-declare="true"/>
<!--定义广播类型交换机;并绑定上述两个队列-->
<rabbit:fanout-exchange id="spring_fanout_exchange" name="spring_fanout_exchange" auto-declare="true">
<rabbit:bindings>
<rabbit:binding queue="spring_fanout_queue_1" />
<rabbit:binding queue="spring_fanout_queue_2"/>
</rabbit:bindings>
</rabbit:fanout-exchange>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~通配符;*匹配一个单词,#匹配多个单词 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
<!--定义广播交换机中的持久化队列,不存在则自动创建-->
<rabbit:queue id="spring_topic_queue_1" name="spring_topic_queue_1" auto-declare="true"/>
<!--定义广播交换机中的持久化队列,不存在则自动创建-->
<rabbit:queue id="spring_topic_queue_2" name="spring_topic_queue_2" auto-declare="true"/>
<!--定义广播交换机中的持久化队列,不存在则自动创建-->
<rabbit:queue id="spring_topic_queue_3" name="spring_topic_queue_3" auto-declare="true"/>
<rabbit:topic-exchange id="spring_topic_exchange" name="spring_topic_exchange" auto-declare="true">
<rabbit:bindings>
<rabbit:binding pattern="item.insert" queue="spring_topic_queue_1"/>
<rabbit:binding pattern="item.update" queue="spring_topic_queue_1"/>
<rabbit:binding pattern="item.*" queue="spring_topic_queue_2"/>
<rabbit:binding pattern="item.#" queue="spring_topic_queue_3"/>
</rabbit:bindings>
</rabbit:topic-exchange>
<!--定义rabbitTemplate对象操作可以在代码中方便发送消息-->
<rabbit:template id="rabbitTemplate" connection-factory="connectionFactory"/>
</beans>
创建测试文件 spring-rabbitmq-producer\src\test\java\com\lijw\rabbitmq\ProducerTest.java
package com.lijw;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Aron.li
* @date 2022/3/3 15:32
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:spring-rabbitmq-producer.xml")
public class ProducerTest {
//1. 注入 RabbitTemplate
@Autowired
private RabbitTemplate rabbitTemplate;
//2. 简单模式:发送消息
@Test
public void testHelloWorld(){
rabbitTemplate.convertAndSend("spring_queue", "hello world spring....");
}
//3. 订阅发布模块: 发送fanout消息
@Test
public void testFanout(){
rabbitTemplate.convertAndSend("spring_fanout_exchange","","spring fanout msg.....");
}
//4. Topics通配符模式: 发送topic消息
@Test
public void testTopics(){
rabbitTemplate.convertAndSend("spring_topic_exchange", "item.insert", "新增了商品。Topic模式;routing key 为 item.insert");
rabbitTemplate.convertAndSend("spring_topic_exchange", "item.update", "修改了商品。Topic模式;routing key 为 item.update");
rabbitTemplate.convertAndSend("spring_topic_exchange", "item.delete", "删除了商品。Topic模式;routing key 为 item.delete");
rabbitTemplate.convertAndSend("spring_topic_exchange", "item.deploy.version", "发布了商品。Topic模式;routing key 为 item.deploy.version");
}
}
执行发送消息后,我们在管理页面查看创建的队列消息:
创建一个空的 maven 工程 spring-rabbitmq-consumer:
修改pom.xml文件内容为如下:
<?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>com.lijw</groupId>
<artifactId>spring-rabbitmq-consumer</artifactId>
<version>1.0-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.1.7.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.amqp</groupId>
<artifactId>spring-rabbit</artifactId>
<version>2.1.8.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.1.7.RELEASE</version>
</dependency>
</dependencies>
</project>
spring-rabbitmq-consumer\src\main\resources\properties\rabbitmq.properties
连接参数等配置文件;rabbitmq.host=127.0.0.1
rabbitmq.port=5672
rabbitmq.username=libai
rabbitmq.password=libai
rabbitmq.virtual-host=/test
spring-rabbitmq-consumer\src\main\resources\spring\spring-rabbitmq-consumer.xml
整合配置文件;<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:rabbit="http://www.springframework.org/schema/rabbit"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/rabbit
http://www.springframework.org/schema/rabbit/spring-rabbit.xsd">
<!--加载配置文件-->
<context:property-placeholder location="classpath:rabbitmq.properties"/>
<!-- 定义rabbitmq connectionFactory -->
<rabbit:connection-factory id="connectionFactory" host="${rabbitmq.host}"
port="${rabbitmq.port}"
username="${rabbitmq.username}"
password="${rabbitmq.password}"
virtual-host="${rabbitmq.virtual-host}"/>
<!-- 定义消息监听器 -->
<bean id="springQueueListener" class="com.lijw.consumer.listener.SpringQueueListener"/>
<bean id="fanoutListener1" class="com.lijw.consumer.listener.FanoutListener1"/>
<bean id="fanoutListener2" class="com.lijw.consumer.listener.FanoutListener2"/>
<bean id="topicListener1" class="com.lijw.consumer.listener.TopicListener1"/>
<bean id="topicListener2" class="com.lijw.consumer.listener.TopicListener2"/>
<bean id="topicListener3" class="com.lijw.consumer.listener.TopicListener3"/>
<!-- 定义监听器与队列的绑定 -->
<rabbit:listener-container connection-factory="connectionFactory" auto-declare="true">
<rabbit:listener ref="springQueueListener" queue-names="spring_queue"/>
<rabbit:listener ref="fanoutListener1" queue-names="spring_fanout_queue_1"/>
<rabbit:listener ref="fanoutListener2" queue-names="spring_fanout_queue_2"/>
<rabbit:listener ref="topicListener1" queue-names="spring_topic_queue_1"/>
<rabbit:listener ref="topicListener2" queue-names="spring_topic_queue_2"/>
<rabbit:listener ref="topicListener3" queue-names="spring_topic_queue_3"/>
</rabbit:listener-container>
</beans>
集成spring框架,需要实现 MessageListener 接口来读取队列的消息,对于各类消息队列,则写上对应的监听器类:
“监听简单模式的队列消息 ”
package com.lijw.consumer.listener;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;
import java.nio.charset.StandardCharsets;
/**
* 队列监听器
*
* @author Aron.li
* @date 2022/3/3 21:25
*/
public class SpringQueueListener implements MessageListener {
//1. 简单模块:队列消息消费
@Override
public void onMessage(Message message) {
String msg = new String(message.getBody(), StandardCharsets.UTF_8);
System.out.printf("接收路由名称为:%s,路由键为:%s,队列名为:%s的消息:%s \n",
message.getMessageProperties().getReceivedExchange(),
message.getMessageProperties().getReceivedRoutingKey(),
message.getMessageProperties().getConsumerQueue(),
msg);
}
}
package com.lijw.consumer.listener;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;
import java.nio.charset.StandardCharsets;
/**
* @author Aron.li
* @date 2022/3/3 21:34
*/
public class FanoutListener1 implements MessageListener {
@Override
public void onMessage(Message message) {
String msg = new String(message.getBody(), StandardCharsets.UTF_8);
System.out.printf("广播监听器1:接收路由名称为:%s,路由键为:%s,队列名为:%s的消息:%s \n",
message.getMessageProperties().getReceivedExchange(),
message.getMessageProperties().getReceivedRoutingKey(),
message.getMessageProperties().getConsumerQueue(),
msg);
}
}
package com.lijw.consumer.listener;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;
import java.nio.charset.StandardCharsets;
/**
* @author Aron.li
* @date 2022/3/3 21:34
*/
public class FanoutListener2 implements MessageListener {
@Override
public void onMessage(Message message) {
String msg = new String(message.getBody(), StandardCharsets.UTF_8);
System.out.printf("广播监听器2:接收路由名称为:%s,路由键为:%s,队列名为:%s的消息:%s \n",
message.getMessageProperties().getReceivedExchange(),
message.getMessageProperties().getReceivedRoutingKey(),
message.getMessageProperties().getConsumerQueue(),
msg);
}
}
package com.lijw.consumer.listener;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;
import java.nio.charset.StandardCharsets;
/**
* @author Aron.li
* @date 2022/3/3 21:34
*/
public class TopicListener1 implements MessageListener {
@Override
public void onMessage(Message message) {
String msg = new String(message.getBody(), StandardCharsets.UTF_8);
System.out.printf("Topic监听器1:接收路由名称为:%s,路由键为:%s,队列名为:%s的消息:%s \n",
message.getMessageProperties().getReceivedExchange(),
message.getMessageProperties().getReceivedRoutingKey(),
message.getMessageProperties().getConsumerQueue(),
msg);
}
}
package com.lijw.consumer.listener;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;
import java.nio.charset.StandardCharsets;
/**
* @author Aron.li
* @date 2022/3/3 21:34
*/
public class TopicListener2 implements MessageListener {
@Override
public void onMessage(Message message) {
String msg = new String(message.getBody(), StandardCharsets.UTF_8);
System.out.printf("Topic监听器2:接收路由名称为:%s,路由键为:%s,队列名为:%s的消息:%s \n",
message.getMessageProperties().getReceivedExchange(),
message.getMessageProperties().getReceivedRoutingKey(),
message.getMessageProperties().getConsumerQueue(),
msg);
}
}
package com.lijw.consumer.listener;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;
import java.nio.charset.StandardCharsets;
/**
* @author Aron.li
* @date 2022/3/3 21:34
*/
public class TopicListener3 implements MessageListener {
@Override
public void onMessage(Message message) {
String msg = new String(message.getBody(), StandardCharsets.UTF_8);
System.out.printf("Topic监听器3:接收路由名称为:%s,路由键为:%s,队列名为:%s的消息:%s \n",
message.getMessageProperties().getReceivedExchange(),
message.getMessageProperties().getReceivedRoutingKey(),
message.getMessageProperties().getConsumerQueue(),
msg);
}
}
如果需要测试启用监听器,我们可以通过集成Spring的单元测试,写一个循环触发Spring框架的执行,如下:
package com.lijw.consumer;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Aron.li
* @date 2022/3/3 21:30
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:spring-rabbitmq-consumer.xml")
public class ConsumerTest {
@Test
public void test1(){
boolean flag = true;
while (true){
}
}
}
可以看到成功接收到各类消息了。