rabbitmq交换器类型

来源：互联网发布：qpst 不识别端口编辑：程序博客网时间：2024/04/19 15:24

rabbitmq 三种交换器类型 fanout direct topic

sender 代码

package com.lzf.cn.model;import com.rabbitmq.client.Channel;import com.rabbitmq.client.Connection;import com.rabbitmq.client.ConnectionFactory;public class Send {     /**      * 场景1      * 单发送单接收      */    private final static String QUEUE_NAME = "test";     public static void main(String[] argv) throws Exception {      /*  ConnectionFactory factory = new ConnectionFactory();        factory.setHost("192.168.84.222");        factory.setPort(5672);        factory.setUsername("admin");        factory.setPassword("*******");        Connection connection = factory.newConnection();        Channel channel = connection.createChannel();        boolean durable = true; //消息持久化        channel.queueDeclare(QUEUE_NAME, durable, false, false, null);        String message = "Hello World23!";        channel.basicPublish("", QUEUE_NAME, null, message.getBytes());        System.out.println(" [x] Sent '" + message + "'");        channel.close();        connection.close();*/        Send send = new Send();        send.topic();      }     private final static  String  EXCHANGE_NAME_FANOUT="test_exchange_fanout";       private final static  String  EXCHANGE_NAME_DIRECT="test_exchange_direct";       private final static  String  EXCHANGE_NAME_TOPIC="test_exchange_topic";       public void fanout() {        try{            ConnectionFactory factory = new ConnectionFactory();            factory.setHost("XXX.XXX.XXX");            factory.setPort(5672);            factory.setUsername("admin");            factory.setPassword("*******");            Connection connection = factory.newConnection();            Channel channel = connection.createChannel();          //声明交换器              channel.exchangeDeclare(EXCHANGE_NAME_FANOUT,"fanout");//fanout交换器              //消息内容              String message = "message=测试";              channel.basicPublish(EXCHANGE_NAME_FANOUT,"",null,message.getBytes());              System.out.println(" [x] Sent'"+message+"'" );              channel.close();              connection.close();          }catch(Exception e){            e.printStackTrace();        }      }     public void direct(){         try{                ConnectionFactory factory = new ConnectionFactory();                factory.setHost("XXX.XXX.XXX");                factory.setPort(5672);                factory.setUsername("admin");                factory.setPassword("*******");                Connection connection = factory.newConnection();                Channel channel = connection.createChannel();                  //声明exchange                  channel.exchangeDeclare(EXCHANGE_NAME_DIRECT,"direct");                  //消息内容                  String message = "message=测试";                  channel.basicPublish(EXCHANGE_NAME_DIRECT,"delete",null,message.getBytes()); //此处delete为路由键；                  System.out.println(" [x] Sent '"+ message+"'");                  channel.close();                  connection.close();              }catch(Exception e){                e.printStackTrace();            }      }     public void topic(){         try{                ConnectionFactory factory = new ConnectionFactory();                factory.setHost("XXX.XXX.XXX");                factory.setPort(5672);                factory.setUsername("admin");                factory.setPassword("*******");                Connection connection = factory.newConnection();                Channel channel = connection.createChannel();                  //声明exchange                  channel.exchangeDeclare(EXCHANGE_NAME_TOPIC,"topic");                  //消息内容                  String message = "message=测试";                  //发布消息                  channel.basicPublish(EXCHANGE_NAME_TOPIC,"item.insert",null,message.getBytes());                  System.out.println(" [x] Sent '"+message + "'");                  channel.close();                  connection.close();              }catch(Exception e){                e.printStackTrace();            }      }}

consumer 代码

package com.lzf.cn.model;import com.rabbitmq.client.Channel;import com.rabbitmq.client.Connection;import com.rabbitmq.client.ConnectionFactory;import com.rabbitmq.client.QueueingConsumer;public class Recv {    private final static String QUEUE_NAME="test_queue_fanout_1";     public static void main(String[] argv) throws Exception {   /* ConnectionFactory factory = new ConnectionFactory();    factory.setHost("XXX.XXX.XXX");    factory.setPort(5672);    factory.setUsername("liuzhengfeng");    factory.setPassword("liuzhengfeng");    Connection connection = factory.newConnection();    Channel channel = connection.createChannel();    boolean durable = true; //消息持久化    channel.queueDeclare(QUEUE_NAME, durable, false, false, null);    System.out.println(" [*] Waiting for messages. To exit press CTRL+C");    boolean autoack = false; //消息确认    QueueingConsumer consumer = new QueueingConsumer(channel);    channel.basicConsume(QUEUE_NAME, autoack, consumer);    while (true) {      QueueingConsumer.Delivery delivery = consumer.nextDelivery();      String message = new String(delivery.getBody());      System.out.println(" [x] Received '" + message + "'");      channel.basicAck(delivery.getEnvelope().getDeliveryTag(), true);      continue;    }*/        Recv recv = new Recv();        recv.recvTopic();  }    private final static String EXCHANGE_NAME_DIRECT="test_exchange_direct";      private final static String EXCHANGE_NAME_FANOUT="test_exchange_fanout";      private final static String EXCHANGE_NAME_TOPIC="test_exchange_topic";      public void recvFanout(){        try{            ConnectionFactory factory = new ConnectionFactory();            factory.setHost("XXX.XXX.XXX");            factory.setPort(5672);            factory.setUsername("admin");            factory.setPassword("******");            Connection connection = factory.newConnection();            Channel channel = connection.createChannel();            channel.queueDeclare(QUEUE_NAME,false,false,false,null);              //绑定队列到交换器              channel.queueBind(QUEUE_NAME,EXCHANGE_NAME_FANOUT,""); //不设置路由键              //统一时刻服务器只会发一条消息给消费者;              channel.basicQos(1);              //定义队列的消费者              QueueingConsumer consumer = new QueueingConsumer(channel);              //监听队列，手动返回完成              channel.basicConsume(QUEUE_NAME,false,consumer);              //获取消息              while (true)              {                  QueueingConsumer.Delivery delivery = consumer.nextDelivery();                  String message = new String(delivery.getBody());                  System.out.println(" message：'" + message + "'");                  Thread.sleep(10);                  //手动返回                  channel.basicAck(delivery.getEnvelope().getDeliveryTag(),false);              }          }catch(Exception e){            e.printStackTrace();        }    }    public void recvDirect(){        try{            ConnectionFactory factory = new ConnectionFactory();            factory.setHost("XXX.XXX.XXX");            factory.setPort(5672);            factory.setUsername("admin");            factory.setPassword("******");            Connection connection = factory.newConnection();            Channel channel = connection.createChannel();          //声明队列              channel.queueDeclare(QUEUE_NAME,false,false,false,null);              //绑定队列到交换机;         //     channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"update");  //匹配路由键为update              channel.queueBind(QUEUE_NAME,EXCHANGE_NAME_DIRECT,"delete");  //匹配路由键是delete              //同一时刻服务器只会发送一条消息给消费者;              channel.basicQos(1);              QueueingConsumer consumer = new QueueingConsumer(channel);              //监听队列，手动返回完成              channel.basicConsume(QUEUE_NAME,false,consumer);              //获取消息              while (true)              {                  QueueingConsumer.Delivery delivery = consumer.nextDelivery();                  String message = new String(delivery.getBody());                  System.out.println("message：'"+message+"'");                  Thread.sleep(10);                  channel.basicAck(delivery.getEnvelope().getDeliveryTag(),false);              }          }catch(Exception e){            e.printStackTrace();        }    }    /**     * 匹配方式     * # 匹配一个或多个词以.隔开     * * 匹配一个词，以.隔开     */    public void recvTopic(){        try{            ConnectionFactory factory = new ConnectionFactory();            factory.setHost("XXX.XXX.XXX");            factory.setPort(5672);            factory.setUsername("admin");            factory.setPassword("******");            Connection connection = factory.newConnection();            Channel channel = connection.createChannel();            //声明通道              channel.queueDeclare(QUEUE_NAME,false,false,false,null);              //绑定exchange              channel.queueBind(QUEUE_NAME,EXCHANGE_NAME_TOPIC,"item.#");   //使用item.# 匹配所有的以item开头的                //同一时刻服务器只能发送一条消息给消费者；              channel.basicQos(1);              //声明消费者              QueueingConsumer consumer = new QueueingConsumer(channel);              //监控队列，设置手动完成              channel.basicConsume(QUEUE_NAME,false,consumer);              while (true)              {                  QueueingConsumer.Delivery delivery = consumer.nextDelivery();                  String message = new String(delivery.getBody());                  System.out.println("搜索系统 '" + message + "'");                  Thread.sleep(10);                  channel.basicAck(delivery.getEnvelope().getDeliveryTag(),false);              }          }catch(Exception e){            e.printStackTrace();        }    }}

阅读全文

0 0