🔄Update: 接收一条信息

src/main/java/cn/hezhaohui/mq/Recv.java

@@ -7,7 +7,6 @@ import com.rabbitmq.client.DeliverCallback;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.util.Random;
 import java.util.concurrent.TimeoutException;
 
 public class Recv {
@@ -23,20 +22,7 @@ public class Recv {
         DeliverCallback deliverCallback = (consumerTag, delivery) -> {
             String message = new String(delivery.getBody(), StandardCharsets.UTF_8);
             System.out.println(" [x] Received '" + message + "'");
-            try {
-                dowork(message);
-            } catch (InterruptedException e) {
-                throw new RuntimeException(e);
-            } finally {
-                System.out.println(" [x] Done");
-            }
         };
-        boolean autoAck = true;
-        channel.basicConsume(QUEUE_NAME, autoAck, deliverCallback, consumerTag -> {});
-    }
-
-    private static void dowork(String task) throws InterruptedException {
-        System.out.println(" [Working] " + task);
-        Thread.sleep(1000);
+        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {});
     }
 }

src/main/java/cn/hezhaohui/mq/Send.java

@@ -5,7 +5,6 @@ import com.rabbitmq.client.Connection;
 import com.rabbitmq.client.ConnectionFactory;
 
 import java.io.IOException;
-import java.util.Scanner;
 import java.util.concurrent.TimeoutException;
 
 public class Send {
@@ -14,23 +13,11 @@ public class Send {
     public static void main(String[] args) {
         ConnectionFactory connectionFactory = new ConnectionFactory();
         try (Connection connection = connectionFactory.newConnection();
-             Channel channel = connection.createChannel();
-             Scanner scanner = new Scanner(System.in)){
+             Channel channel = connection.createChannel()){
             channel.queueDeclare(QUEUE_NAME, false, false, false, null);
-            System.out.println(" === Now you can send message ===");
-
-            while (true) {
-                System.out.println("[Send]:");
-                String message = scanner.nextLine();
-                channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
-                System.out.println(" [x] Sent '" + message + "'");
-
-                if ("exit".equalsIgnoreCase(message)) {
-                    System.out.println(" [x] Bye");
-                    break;
-                }
-            }
-
+            String message = "Hello World!";
+            channel.basicPublish("", QUEUE_NAME, null, message.getBytes());
+            System.out.println(" [x] Sent '" + message + "'");
         } catch (IOException | TimeoutException e) {
             throw new RuntimeException(e);
         }