RabbitMQ与springmvc结合--简单示例

最新推荐文章于 2025-06-30 20:50:34 发布

lukezhang-123

最新推荐文章于 2025-06-30 20:50:34 发布

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分类专栏： RabbitMQ 文章标签： RabbitMQ RabbitMQ例子

本文链接：https://blog.youkuaiyun.com/c5113620/article/details/78800264

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本文介绍了一个基于Spring MVC的Web应用如何与RabbitMQ消息队列进行集成。项目中使用了Spring MVC来处理HTTP请求，并通过RabbitMQ实现消息的发布与订阅。文中详细展示了pom.xml依赖配置、web.xml部署描述符、springmvc.xml和spring.xml配置文件以及关键的Java类。

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pom.xml

<!-- servlet -->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.0.1</version>
        <scope>provided</scope>
    </dependency>
    <!--springmvc-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>4.3.9.RELEASE</version>
    </dependency>
    <!--rabbit-mq-->
    <dependency>
        <groupId>org.springframework.amqp</groupId>
        <artifactId>spring-rabbit</artifactId>
        <version>1.4.5.RELEASE</version>
    </dependency>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">
    <display-name>rabbit-spring</display-name>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list>
    <!--springmvc-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
    <!--spring-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
</web-app>

springmvc.xml

<!--启用 spring 注解-->
    <context:component-scan base-package="com.rabbitmq.spring"></context:component-scan>
    <mvc:annotation-driven/>

spring.xml

<rabbit:connection-factory id="connectionFactory" host="127.0.0.1" username="guest" password="guest" port="5672"  />
    <!--声明模板-->
    <rabbit:template id="amqpTemplate" exchange="test_rmq_exchange" connection-factory="connectionFactory"  />
    <!--创建队列queue，路由exchange及绑定binding关系-->
    <rabbit:queue id="test_queue_id" name="test_queue" durable="true" auto-delete="false" exclusive="false" />
    <rabbit:topic-exchange name="test_rmq_exchange" durable="true" auto-delete="false">
        <rabbit:bindings>
            <rabbit:binding queue="test_queue" pattern="test_queue_patt"/>
        </rabbit:bindings>
    </rabbit:topic-exchange>

    <!-- 消费者 -->
    <bean name="RabbitmqConsumer" class="com.rabbitmq.spring.RabbitmqConsumer"/>

    <!-- 配置监听 -->
    <rabbit:listener-container connection-factory="connectionFactory">
        <rabbit:listener queues="test_queue_id" ref="RabbitmqConsumer"/>
    </rabbit:listener-container>

RabbitmqConsumer.java

public void onMessage(Message message) {
        System.out.print("Msg consumed:");
        System.out.println(new String(message.getBody()));
    }

RabbitmqController.java

@Resource
    private RabbitTemplate amqpTemplate;

    @RequestMapping(value = "/rmq.do")
    public void sendMsg(HttpServletResponse response) {

        try {
            for (int i = 0; i < 5; i++){
                amqpTemplate.convertAndSend("test_rmq_exchange", "test_queue_patt", "rmqProducer-sendMsg.......");
                System.out.println("One Msg sended.....");
            }
            response.getWriter().write("message sended....................");
        } catch (Exception e) {
        }
    }