完善 rabbitmq 用例注释

spring-boot/spring-boot-rabbitmq/rabbitmq-consumer/src/main/java/com/heibaiying/rabbitmqconsumer/consumer/RabbitmqConsumer.java

@@ -20,18 +20,18 @@ import org.springframework.stereotype.Component;
 public class RabbitmqConsumer {
 
     @RabbitListener(bindings = @QueueBinding(
-                                value = @Queue(value = RabbitInfo.QUEUE_NAME, durable = RabbitInfo.QUEUE_DURABLE),
-                                exchange = @Exchange(value = RabbitInfo.EXCHANGE_NAME, type = RabbitInfo.EXCHANGE_TYPE),
-                                key = RabbitInfo.ROUTING_KEY)
+            value = @Queue(value = RabbitInfo.QUEUE_NAME, durable = RabbitInfo.QUEUE_DURABLE),
+            exchange = @Exchange(value = RabbitInfo.EXCHANGE_NAME, type = RabbitInfo.EXCHANGE_TYPE),
+            key = RabbitInfo.ROUTING_KEY)
     )
     @RabbitHandler
     public void onMessage(Message message, Channel channel) throws Exception {
         MessageHeaders headers = message.getHeaders();
         // 获取消息头信息和消息体
-        log.info("msgInfo:{} ; payload:{} ",headers.get("msgInfo"),message.getPayload());
-        // DELIVERY_TAG 是一个自增的数值
+        log.info("msgInfo:{} ; payload:{} ", headers.get("msgInfo"), message.getPayload());
+        //  DELIVERY_TAG 代表 RabbitMQ 向该Channel投递的这条消息的唯一标识ID，是一个单调递增的正整数
         Long deliveryTag = (Long) headers.get(AmqpHeaders.DELIVERY_TAG);
-        // 第二个参数代表是否一次签收多条,当该参数为 true 时，则可以一次性确认 delivery_tag 小于等于传入值的所有消息
+        // 第二个参数代表是否一次签收多条,当该参数为 true 时，则可以一次性确认 DELIVERY_TAG 小于等于传入值的所有消息
         channel.basicAck(deliveryTag, false);
     }
 

spring-boot/spring-boot-rabbitmq/rabbitmq-consumer/src/main/resources/application.yml

@@ -1,14 +1,14 @@
 spring:
   rabbitmq:
-    addresses: 192.168.0.108:5672
+    addresses: 127.0.0.1:5672
     # RabbitMQ 默认的用户名和密码都是guest 而虚拟主机名称是 "/"
     # 如果配置其他虚拟主机地址，需要预先用管控台或者图形界面创建 图形界面地址 http://主机地址:15672
-    username: admin
-    password: admin
-    virtual-host: my_vhost
+    username: guest
+    password: guest
+    virtual-host: /
     listener:
       simple:
-        # 签收模式设置为手工签收
+        # 为了保证信息能够被正确消费,建议签收模式设置为手工签收,并在代码中实现手工签收
         acknowledge-mode: manual
         # 侦听器调用者线程的最小数量
         concurrency: 10