RabbitMQ֮Exchange Fanoutģʽ

RabbitMQ发布与订阅原理 Exchange Fanout模式：

案例： 用户注册 ---> 发送邮件 --->发送短信

pom：

<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.toov5.rabibitMQScribe</groupId>   <artifactId>rabibitMQScribe</artifactId>   <version>0.0.1-SNAPSHOT</version>       <dependencies>         <dependency>             <groupId>com.rabbitmq</groupId>             <artifactId>amqp-client</artifactId>             <version>3.6.5</version>         </dependency>     </dependencies>     </project> 

　　

连接工具类：

package com.toov5.utils;  import java.io.IOException; import java.util.concurrent.TimeoutException;  import com.rabbitmq.client.Connection; import com.rabbitmq.client.ConnectionFactory;   //没有做成单例的  VirtualHost 需要复用 public class MQConnectionUtils {     //创建新的连接     public static Connection newConnection() throws IOException, TimeoutException {          //创建连接工厂     ConnectionFactory factory= new ConnectionFactory();     //链接地址     factory.setHost("192.168.91.6");     //用户名称     factory.setUsername("admin");     //用户密码     factory.setPassword("admin");     //amqp端口号     factory.setPort(5672);     //连接virtualhost     factory.setVirtualHost("/admin_toov5");     Connection connection = factory.newConnection();         return connection;     }     }

生产者：

package com.toov5.fanout;  import java.io.IOException; import java.util.concurrent.TimeoutException;  import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.toov5.utils.MQConnectionUtils;  //生产者 交换机类型 producerFanout类型 public class FanoutProducer {     //交换机名称      private static final String EXCHANGE_NAME = "my_fanout";       public static void main(String[] args) throws IOException, TimeoutException {         //建立MQ连接          Connection connection = MQConnectionUtils.newConnection();         //创建通道           Channel channel = connection.createChannel();           //生产者绑定交换机           channel.exchangeDeclare(EXCHANGE_NAME, "fanout");  //交换机名称  交换机类型           //创建对应的消息            String msString = "my_fanout_destination_msg";           //通过频道 发送消息           System.out.println("生产者投递消息："+msString);           //消息投递到交换机里面去           channel.basicPublish(EXCHANGE_NAME, "", null, msString.getBytes());           //关闭通道 和 连接           channel.close();           connection.close();     }      }

消费者

package com.toov5.fanout;  import java.io.IOException; import java.util.concurrent.TimeoutException;  import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.rabbitmq.client.DefaultConsumer; import com.rabbitmq.client.Envelope; import com.rabbitmq.client.AMQP.BasicProperties; import com.toov5.utils.MQConnectionUtils;  //邮件消费者 public class ConsumerEmailFanout {     private static final String EMAIL_QUEUE ="email_queue_fanout";     //交换机名称    private static final String EXCHANGE_NAME = "my_fanout";       public static void main(String[] args) throws IOException, TimeoutException {          System.out.println("邮件消费者启动");         //建立MQ连接          Connection connection = MQConnectionUtils.newConnection();         //创建通道           Channel channel = connection.createChannel();                   //消费者声明队列           channel.queueDeclare(EMAIL_QUEUE, false, false, false, null);          //消费者队列绑定交换机           channel.queueBind(EMAIL_QUEUE, EXCHANGE_NAME, "");           //消费者监听消息       DefaultConsumer defaultConsumer =     new DefaultConsumer(channel) {               //重写监听方法              @Override              public void handleDelivery(String consumerTag, Envelope envelope, BasicProperties properties, byte[] body)                      throws IOException {                               String msg = new String(body,"UTF-8");                  System.out.println("邮件消费者获取生产者消息"+msg);              }          };          channel.basicConsume(EMAIL_QUEUE,true, defaultConsumer);   //绑定队列 事件监听                  } }

package com.toov5.fanout;  import java.io.IOException; import java.util.concurrent.TimeoutException;  import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.rabbitmq.client.DefaultConsumer; import com.rabbitmq.client.Envelope; import com.rabbitmq.client.AMQP.BasicProperties; import com.toov5.utils.MQConnectionUtils;  //邮件消费者 public class ConsumerSMSFanout {     private static final String SMS_QUEUE ="sms_queue_fanout";     //交换机名称    private static final String EXCHANGE_NAME = "my_fanout";       public static void main(String[] args) throws IOException, TimeoutException {          System.out.println("短信消费者启动");         //建立MQ连接          Connection connection = MQConnectionUtils.newConnection();         //创建通道           Channel channel = connection.createChannel();                   //消费者声明队列           channel.queueDeclare(SMS_QUEUE, false, false, false, null);          //消费者队列绑定交换机           channel.queueBind(SMS_QUEUE, EXCHANGE_NAME, "");           //消费者监听消息       DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {               //重写监听方法              @Override              public void handleDelivery(String consumerTag, Envelope envelope, BasicProperties properties, byte[] body)                      throws IOException {                               String msg = new String(body,"UTF-8");                  System.out.println("邮件消费者获取生产者消息"+msg);              }          };          channel.basicConsume(SMS_QUEUE,true, defaultConsumer);   //绑定队列 事件监听        } }