spring整合rabbitmq
生产者
- 导包
<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>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
-
配置
1.连接工厂的properties
rabbitmq.host=192.168.23.129 rabbitmq.port=5672 rabbitmq.username=guest rabbitmq.password=guest rabbitmq.virtual-host=/
2.交换机和队列以及绑定关系的配置文件
<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>
<!--<rabbit:direct-exchange name="aa" >
<rabbit:bindings>
<!–direct 类型的交换机绑定队列 key :路由key queue:队列名称–>
<rabbit:binding queue="spring_queue" key="xxx"></rabbit:binding>
</rabbit:bindings>
</rabbit:direct-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_star" name="spring_topic_queue_star" 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_well" name="spring_topic_queue_well" 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_well2" name="spring_topic_queue_well2" auto-declare="true"/>
<rabbit:topic-exchange id="spring_topic_exchange" name="spring_topic_exchange" auto-declare="true">
<rabbit:bindings>
<rabbit:binding pattern="heima.*" queue="spring_topic_queue_star"/>
<rabbit:binding pattern="heima.#" queue="spring_topic_queue_well"/>
<rabbit:binding pattern="itcast.#" queue="spring_topic_queue_well2"/>
</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>
- 在测试类编码
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;
// 单元测试
@RunWith(SpringJUnit4ClassRunner.class)
// 加载配置文件,这个配置文件定义了交换机和队列以及绑定关系
@ContextConfiguration(locations = "classpath:spring-rabbitmq.xml")
public class SendMessage {
// 注入spring提供的rabbitmq模板对象
@Autowired
private RabbitTemplate rabbitTemplate;
@Test
public void sendSimpleMessage() {
// simple模式,单链,指定队列和发送的消息
rabbitTemplate.convertAndSend("spring_queue", "生产机器人滴滴滴");
}
@Test
public void sendFanoutMessage(){
// 广播模式,指定交换机,不需要路由key,指定广播的消息
rabbitTemplate.convertAndSend("spring_fanout_exchange","","广播消息dididi");
}
@Test
public void sendTopicMessage(){
// 通配符模式,指定交换机,路由key,通过这个路由key找到对应规则的队列,发送对应的消息
rabbitTemplate.convertAndSend("spring_topic_exchange","itcast.gwx","topicdididi");
}
}
消费方
导包一致
- 配置(连接工厂properties属性一致)
<?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}"/>
<!--将自己实现MessageListener接口的实现类交给spring管理-->
<bean id="springQueueListener" class="com.gwx.rabbitmq.listener.SpringQueueListener"/>
<!--<bean id="fanoutListener1" class="com.gwx.rabbitmq.listener.FanoutListener1"/>
<bean id="fanoutListener2" class="com.gwx.rabbitmq.listener.FanoutListener2"/>
<bean id="topicListenerStar" class="com.gwx.rabbitmq.listener.TopicListenerStar"/>
<bean id="topicListenerWell" class="com.gwx.rabbitmq.listener.TopicListenerWell"/>
<bean id="topicListenerWell2" class="com.gwx.rabbitmq.listener.TopicListenerWell2"/>
-->
<rabbit:listener-container connection-factory="connectionFactory" auto-declare="true">
<!--指定这个消费方监听哪个队列-->
<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="topicListenerStar" queue-names="spring_topic_queue_star"/>
<rabbit:listener ref="topicListenerWell" queue-names="spring_topic_queue_well"/>
<rabbit:listener ref="topicListenerWell2" queue-names="spring_topic_queue_well2"/>-->
</rabbit:listener-container>
</beans>
- 编码
需要实现MessageListener接口
public class SpringQueueListener implements MessageListener {
@Override
public void onMessage(Message message) {
//打印消息
System.out.println(new String(message.getBody()));
}
}