RabbitMQ簡單佇列使用
阿新 • • 發佈:2018-11-10
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</groupId> <artifactId>rabbitmq</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>
建立連線的工具類:
package com.toov5.utils; import java.io.IOException; import java.util.concurrent.TimeoutException; import com.rabbitmq.client.Connection; import com.rabbitmq.client.ConnectionFactory; //沒有做成單例的 VirtualHost 需要複用 public class MQConnectionUtils { //建立新的連線 public static Connection newConnection() throwsIOException, TimeoutException { //建立連線工廠 ConnectionFactory factory= new ConnectionFactory(); //連結地址 factory.setHost("192.168.91.6"); //使用者名稱稱 factory.setUsername("admin"); //使用者密碼 factory.setPassword("admin"); //amqp埠號 factory.setPort(5672); //連線virtualhost factory.setVirtualHost("/admin_toov5"); Connection connection= factory.newConnection(); return connection; } }
Producer類
package com.toov5.Producer; import java.io.IOException; import java.util.concurrent.TimeoutException; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.toov5.utils.MQConnectionUtils; public class Producer { //佇列名稱 private static final String UEUE_NAME = "test_queue"; public static void main(String[] args) throws IOException, TimeoutException { //建立新的連線 Connection connection = MQConnectionUtils.newConnection(); //建立Channel Channel channel = connection.createChannel(); //建立佇列 channel.queueDeclare(UEUE_NAME, false, false, false, null); //建立message String msg = "toov5_message"; System.out.println("生產者投遞訊息"+msg); //生產者傳送訊息 channel.basicPublish("",UEUE_NAME, null, msg.getBytes()); //關閉通道和連線 channel.close(); connection.close(); } }
執行結果
模擬get message
producer跟consumer基本類似
package com.toov5.Consumer; 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; public class Consumer { //佇列名稱 private static final String QUEUE_NAME = "test_queue"; public static void main(String[] args) throws IOException, TimeoutException { System.out.println("消費者啟動.........."); //建立新的連線 Connection connection = MQConnectionUtils.newConnection(); //建立Channel Channel channel = connection.createChannel(); // 消費者關聯佇列 channel.queueDeclare(QUEUE_NAME, false, false, false, null); DefaultConsumer defaultConsumerr = new DefaultConsumer(channel) { //監聽獲取訊息 @Override public void handleDelivery(String consumerTag, Envelope envelope, BasicProperties properties, byte[] body) throws IOException { String msg =new String(body,"UTF-8"); System.out.println("消費者獲取生產者訊息:"+msg); } }; //牽手模式設定 預設自動應答模式 true:自動應答模式 channel.basicConsume(QUEUE_NAME, true, defaultConsumerr); // //關閉通道和連線 // channel.close(); // connection.close(); } }
執行後的結果: