Spring整合RabbitMQ

需求:使用Spring整合RabbitMQ

步骤:

生产者

1.创建生产者工程

2.添加依赖

3.配置整合

4.编写代码发送消息

消费者步骤相同

生产者

导入依赖

XML 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>

    <groupId>com</groupId>
    <artifactId>spring-rabbitmq-producers</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <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>

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

</project>

配置文件

XML 复制代码
rabbitmq.host=192.168.235.129
rabbitmq.port=5672
rabbitmq.username=ljb
rabbitmq.password=ljb
rabbitmq.virtual-host=/ljb
XML 复制代码
<?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
    -->
    <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_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="ljb.*" queue="spring_topic_queue_star"/>
            <rabbit:binding pattern="ljb.#" queue="spring_topic_queue_well"/>
            <rabbit:binding pattern="lu.#" 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>

生产者代码

java 复制代码
package com;

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;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:spring-rabbitmq-producer.xml")
public class ProducerTest {

    //1.注入 RabbitTempLate
    @Autowired
    private RabbitTemplate rabbitTemplate;

    @Test
    public void testHelloWord(){
        //2.发送消息
        //参数说明------1:队列名称(因为没有指定Routing Key,但是要发送到队列,所以可以直接指定队列名替代Routing Key)
        //          2:自定义队列消息
        rabbitTemplate.convertAndSend("spring_queue","hello world spring----");
    }

    @Test
    public void testFanout(){
        //参数说明------1:交换机       2:Routing Key      3:自定义队列消息
        rabbitTemplate.convertAndSend("spring_fanout_exchange","ljb.haha","spring fanout....");
    }

}

消费者

导入依赖于生产者相同

配置文件

properties与生产者相同

XML 复制代码
<?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}"/>

    <!--    注册监听器bean:监听队列消息-->
    <bean id="springQueueListener" class="com.listener.SpringQueueListener"/>

    <!--    监听器bean关联队列名,也就是使监听器生效-->
    <rabbit:listener-container connection-factory="connectionFactory" auto-declare="true">
        <rabbit:listener ref="springQueueListener" queue-names="spring_queue"/>
    </rabbit:listener-container>
</beans>

消费者代码

监听器

java 复制代码
package com.listener;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageListener;

public class SpringQueueListener implements MessageListener {
    @Override
    public void onMessage(Message message) {
        //监听到之后直接打印
        System.out.println(new String(message.getBody()));
    }
}
java 复制代码
package com;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@ContextConfiguration(locations = "classpath:spring-rabbitmq-consumer.xml")
@RunWith(SpringJUnit4ClassRunner.class)
public class ConsumerTest {

    @Test
    public void Test1() {

        //使消费者一致在监听队列
        while (true) {

        }
    }
}
//效果是监听器一直处于监听队列消息的状态,只要队列区有消息就获取
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