🔄Update: 获取并完成任务

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

@@ -7,6 +7,7 @@ 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 {
@@ -22,7 +23,20 @@ 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");
+            }
         };
-        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {});
+        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);
     }
 }

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

@@ -5,6 +5,7 @@ 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 {
@@ -13,11 +14,23 @@ public class Send {
     public static void main(String[] args) {
         ConnectionFactory connectionFactory = new ConnectionFactory();
         try (Connection connection = connectionFactory.newConnection();
-             Channel channel = connection.createChannel()){
+             Channel channel = connection.createChannel();
+             Scanner scanner = new Scanner(System.in)){
             channel.queueDeclare(QUEUE_NAME, false, false, false, null);
-            String message = "Hello World!";
+            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;
+                }
+            }
+
         } catch (IOException | TimeoutException e) {
             throw new RuntimeException(e);
         }