Spring Rabbitmq HelloWorld實例

之前的博客和大家分享了Rabbitmq的基本框架，及其工作原理，網址為 < http://www.cnblogs.com/jun-ma/p/4840869.html >。今天呢，想和大家一起分享一下如何把rabbitmq應用到我們的Spring工程項目中。

Rabbitmq Server Install & Config

使用Rabbitmq需要我們安裝rabbitmq服務器，服務器下載地址 < http://www.rabbitmq.com/download.html >。筆者使用的是Mac OS standalone 3.5.4版本，下載完成之后，解壓文件即可。

進入sbin目錄，后台啟動rabbitmq server

./rabbitmq-server –detached

使用ps -A| grep rabbit可以查看到當前運行的rabbitmq進程。

然后，使用rabbitmq-plugin命令使能web管理：

./rabbitmq-plugins enable rabbitmq_management  

然后，我們就可以使用web界面管理我們的Rabbitmq Server，網址為：

http://localhost:15672/

用戶名和密碼默認為guest/guest，用戶登錄之后可以根據需要選擇新增用戶名和密碼，並設置管理權限。

Spring Rabbitmq使用實例

Message Producer

生產者的Rabbitmq.xml配置，這里我們使用rabbit標簽來配置rabbitmq客戶端。

<?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:rabbit="http://www.springframework.org/schema/rabbit"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/rabbit
      http://www.springframework.org/schema/rabbit/spring-rabbit-1.0.xsd">

    <!--配置connection-factory，指定連接rabbit server參數-->
    <rabbit:connection-factory id="connectionFactory" username="guest" password="guest"
                               host="localhost"
                               port="5672"
                               virtual-host="/"/>

    <!--通過指定下面的admin信息，當前producer中的exchange和queue會在rabbitmq服務器上自動生成-->
    <rabbit:admin connection-factory="connectionFactory"/>

    <!--定義queue-->
    <rabbit:queue id="com.mj.test" name="com.mj.test" durable="true" auto-delete="false" exclusive="false"/>

    <!-- 定義direct exchange，綁定com.mj.test queue -->
    <rabbit:direct-exchange name="myChange" durable="true" auto-delete="false">
        <rabbit:bindings>
            <rabbit:binding queue="com.mj.test" key="hello"></rabbit:binding>
        </rabbit:bindings>
    </rabbit:direct-exchange>
    
    <!--定義rabbit template用於數據的接收和發送-->
    <rabbit:template id="myAmqpTemplate" connection-factory="connectionFactory" exchange="myChange"/>
</beans>

ApplicationContext.xml配置

<?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:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:jdbc="http://www.springframework.org/schema/jdbc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
			http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
			http://www.springframework.org/schema/context
			http://www.springframework.org/schema/context/spring-context-3.1.xsd
			http://www.springframework.org/schema/tx
			http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
			http://www.springframework.org/schema/jdbc
			http://www.springframework.org/schema/jdbc/spring-jdbc-3.1.xsd
			http://www.springframework.org/schema/aop
			http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">
    <!-- 使能AOP-->
    <aop:aspectj-autoproxy/>
    <!-- 自動裝載bean使能-->
    <context:component-scan base-package="com.mj.amq"/>
    <context:annotation-config/>

    <!-- 聲明一個事物管理 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!-- 啟用annotation的事務支持 -->
    <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>

    <import resource="Rabbitmq.xml"/>

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3307/student?useUnicode=true&amp;characoding=UTF-8"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>
    </bean>
</beans>

Producer發送數據Java代碼

@Service
public class MessageSender {

    @Resource(name="myAmqpTemplate")
    AmqpTemplate amqpTemplate;

    public void sendMessage(Object message){
        amqpTemplate.convertAndSend("hello",message);
    }
}

Message Consumer

Rabbitmq.xml配置

Rabbitmq接收端需要配置Connection-Factory實例，監聽的隊列，以及Listener-container。同時，我們需要創建監聽隊列的java bean。這里我們使用的是spring rabbitmq提供的異步MessageListener接口，consumer的業務邏輯在onMessage中實現。

<?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:rabbit="http://www.springframework.org/schema/rabbit"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/rabbit
      http://www.springframework.org/schema/rabbit/spring-rabbit-1.0.xsd">


    <rabbit:connection-factory id="connectionFactory" username="guest" password="guest"
                               host="localhost"
                               port="5672"
                               virtual-host="/"/>

    <rabbit:queue id="com.mj.test" name="com.mj.test" durable="true" auto-delete="false" exclusive="false"/>


    <bean id="messageReceiver" class="com.mj.amq.MessageReceiver"></bean>

    <rabbit:listener-container connection-factory="connectionFactory">
        <rabbit:listener queues="com.mj.test" ref="messageReceiver"/>
    </rabbit:listener-container>

</beans>

ApplicationContext.xml和producer的一致

Consumer偵聽mq消息代碼

public class MessageReceiver implements MessageListener {

    public void onMessage(Message message) {
        System.out.println(message);
    }

    public static void main(String[]args){
        ApplicationContext applicationContext=new ClassPathXmlApplicationContext("ApplicationContext.xml");
    }
}

測試

啟動MessageReceiver的main函數，運行producer的單元測試，會在MessageReceiver的concole端看到接收都到的數據。同時登陸rabbitmq客戶端可以看到我們配置的Exchange和queue信息。

public class MessageSenderTest {

    private ApplicationContext context = null;

    @Before
    public void setUp() throws Exception {
        context = new ClassPathXmlApplicationContext("ApplicationContext.xml");
    }

    @Test
    public void should_send_a_amq_message() throws Exception {
        MessageSender messageSender = (MessageSender) context.getBean("messageSender");
        messageSender.sendMessage("Hello, I am amq sender");
    }
}

Conclusion

本文和大家分享了一個Spring rabbitmq代碼實例，文中給出了完整的xml配置和java代碼，希望能夠給大家帶來一些幫助。