SpringBoot整合ActiveMQ的publish/subscribe发布订阅模式(二)
(注意:当使用了发布订阅模式那么P2P模式就不能用了,解决的方法:)
(1)pom.xml完整的文件
<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.qingfeng</groupId> <artifactId>springboot-ActiveMQ</artifactId> <version>0.0.1-SNAPSHOT</version> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.1.RELEASE</version> <relativePath /> <!-- lookup parent from repository --> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-activemq</artifactId> </dependency> <!-- 热部署 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
(2)application.properties文件配置
server.port=8088 server.servlet.context-path=/springboot-ActiveMQ/ #不能用127.0.0.1,不然会报错 #spring.activemq.broker-url=tcp://127.0.0.1:61616 spring.activemq.broker-url=tcp://localhost:61616 spring.activemq.in-memory=true spring.activemq.pool.enabled=false #支持发布订阅模型,默认只支持点对点,使用了spring.jms.pub-sub-domain=true那么点对点模式就失效了 spring.jms.pub-sub-domain=true
(4)SpringBoot启动类
package com.qingfeng; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class AppStart { public static void main(String[] args) { SpringApplication.run(AppStart.class, args); } }
(5)发布者Publish类
package com.qingfeng.producer; import java.util.Map; import javax.jms.Destination; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.jms.core.JmsMessagingTemplate; import org.springframework.stereotype.Service; /** * 发布者 * */ @Service public class Publish { // 也可以注入JmsTemplate,JmsMessagingTemplate对JmsTemplate进行了封装 @Autowired private JmsMessagingTemplate jmsMessagingTemplate; // 发送消息,destination是发送到的队列名称,message是待发送的消息 public void sendTopicMessage(Destination destination, String message){ jmsMessagingTemplate.convertAndSend(destination, message); } // 发送消息,destination是发送到的队列名称,map类型的发送的消息 public void sendTopicMapMessage(Destination destination, Map<String ,String> map){ jmsMessagingTemplate.convertAndSend(destination, map); } }
(6)订阅者Subscribe类
package com.qingfeng.consumer; import java.util.Map; import org.springframework.jms.annotation.JmsListener; import org.springframework.stereotype.Component; /** * 订阅者 */ @Component public class Subscribe { // 使用JmsListener配置消费者监听的topic名称qingfeng-topic,其中text是接收到的消息 @JmsListener(destination = "qingfeng-topic") public void receiveTopic(String text) { System.out.println("qingfeng-topic类型Subscribe收到的Publish的报文为:"+text); } @JmsListener(destination = "qingfeng-topic") public void receiveTopic2(String text) { System.out.println("qingfeng-topic类型Subscribe收到的Publish的报文为:"+text); } @JmsListener(destination = "qingfeng-topic") public void receiveTopic3(String text) { System.out.println("qingfeng-topic类型Subscribe收到的Publish的报文为:"+text); } // 使用JmsListener配置消费者监听的topic名称qingfeng-map-topic,其中map是接收到的消息 @JmsListener(destination = "qingfeng-map-topic") public void receiveMapTopic(Map<String ,String> map) { System.out.println("qingfeng-map-topic类型Subscribe收到的Publishmap类型的报文为:"+map); } @JmsListener(destination = "qingfeng-map-topic") public void receiveMapTopic2(Map<String ,String> map) { System.out.println("qingfeng-map-topic类型Subscribe收到的Publishmap类型的报文为:"+map); } }
(7)测试类TopicController类
package com.qingfeng.controller; import java.util.HashMap; import javax.jms.Destination; import org.apache.activemq.command.ActiveMQQueue; import org.apache.activemq.command.ActiveMQTopic; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import com.qingfeng.producer.Publish; @RestController public class TopicController { @Autowired private Publish publish; // http://localhost:8088/springboot-ActiveMQ/topic/send?text=qingfeng @GetMapping("topic/send") public String send(String text){ //创建一个Topic名称为qingfeng-topic ActiveMQTopic activeMQTopic = new ActiveMQTopic("qingfeng-topic"); //调用生产者产生消息 publish.sendTopicMessage(activeMQTopic, text); return "发送成功"; } // http://localhost:8088/springboot-ActiveMQ/topic/sendMap @GetMapping("topic/sendMap") public String sendMap(){ //创建一个Topic名称为qingfeng-map-topic ActiveMQTopic activeMQTopic = new ActiveMQTopic("qingfeng-topic"); HashMap<String, String> map = new HashMap<>(); map.put("name", "qingfeng"); map.put("age", "18"); map.put("QQ", "37942135"); //调用生产者产生消息 publish.sendTopicMapMessage(activeMQTopic, map); return "发送成功"; } }
8)启动项目AppStart类
测试:http://localhost:8088/springboot-ActiveMQ/topic/send?text=qingfeng
在控制台上输出
测试:http://localhost:8088/springboot-ActiveMQ/topic/sendMap
在控制台上输出