From 7398b2026a148cbad662bbe58e1840c29fe21fa0 Mon Sep 17 00:00:00 2001
From: Administrator <admin@example.com>
Date: Wed, 22 Mar 2023 21:59:32 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=9E=E7=8E=B0=E5=BC=82=E6=AD=A5=E8=B0=83?=
 =?UTF-8?q?=E7=94=A8=EF=BC=88=E4=BC=98=E6=83=A0=E5=88=B8=E6=9C=8D=E5=8A=A1?=
 =?UTF-8?q?=E6=B6=88=E8=B4=B9=E6=B6=88=E6=81=AF=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 04-coupon/pom.xml                             |  4 ++
 .../com/mashibing/config/RabbitMQConfig.java  | 52 +++++++++++++++++++
 .../mashibing/listener/CouponListener.java    | 27 ++++++++++
 04-coupon/src/main/resources/application.yml  | 11 +++-
 4 files changed, 93 insertions(+), 1 deletion(-)
 create mode 100644 04-coupon/src/main/java/com/mashibing/config/RabbitMQConfig.java
 create mode 100644 04-coupon/src/main/java/com/mashibing/listener/CouponListener.java

diff --git a/04-coupon/pom.xml b/04-coupon/pom.xml
index 518f003..287458a 100644
--- a/04-coupon/pom.xml
+++ b/04-coupon/pom.xml
@@ -21,5 +21,9 @@
             <groupId>com.alibaba.cloud</groupId>
             <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-amqp</artifactId>
+        </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/04-coupon/src/main/java/com/mashibing/config/RabbitMQConfig.java b/04-coupon/src/main/java/com/mashibing/config/RabbitMQConfig.java
new file mode 100644
index 0000000..d71e9df
--- /dev/null
+++ b/04-coupon/src/main/java/com/mashibing/config/RabbitMQConfig.java
@@ -0,0 +1,52 @@
+package com.mashibing.config;
+
+import org.springframework.amqp.core.*;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+/**
+ * @author zjw
+ * @description
+ */
+@Configuration
+public class RabbitMQConfig {
+
+    // 下单服务的交换机
+    public static final String PLACE_ORDER_EXCHANGE = "place_order_exchange";
+    // 三个服务的Queue
+    public static final String COUPON_QUEUE = "coupon_queue";
+    public static final String USER_POINTS_QUEUE = "user_points_queue";
+    public static final String BUSINESS_QUEUE = "business_queue";
+
+
+    @Bean
+    public Exchange placeOrderExchange(){
+        return ExchangeBuilder.fanoutExchange(PLACE_ORDER_EXCHANGE).build();
+    }
+
+    @Bean
+    public Queue couponQueue(){
+        return QueueBuilder.durable(COUPON_QUEUE).build();
+    }
+    @Bean
+    public Queue userPointsQueue(){
+        return QueueBuilder.durable(USER_POINTS_QUEUE).build();
+    }
+    @Bean
+    public Queue businessQueue(){
+        return QueueBuilder.durable(BUSINESS_QUEUE).build();
+    }
+
+    @Bean
+    public Binding couponBinding(Exchange placeOrderExchange,Queue couponQueue){
+        return BindingBuilder.bind(couponQueue).to(placeOrderExchange).with("").noargs();
+    }
+    @Bean
+    public Binding userPointsBinding(Exchange placeOrderExchange,Queue userPointsQueue){
+        return BindingBuilder.bind(userPointsQueue).to(placeOrderExchange).with("").noargs();
+    }
+    @Bean
+    public Binding businessBinding(Exchange placeOrderExchange,Queue businessQueue){
+        return BindingBuilder.bind(businessQueue).to(placeOrderExchange).with("").noargs();
+    }
+}
diff --git a/04-coupon/src/main/java/com/mashibing/listener/CouponListener.java b/04-coupon/src/main/java/com/mashibing/listener/CouponListener.java
new file mode 100644
index 0000000..d869065
--- /dev/null
+++ b/04-coupon/src/main/java/com/mashibing/listener/CouponListener.java
@@ -0,0 +1,27 @@
+package com.mashibing.listener;
+
+import com.mashibing.config.RabbitMQConfig;
+import com.rabbitmq.client.Channel;
+import org.springframework.amqp.core.Message;
+import org.springframework.amqp.rabbit.annotation.RabbitListener;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+
+/**
+ * @author zjw
+ * @description
+ */
+@Component
+public class CouponListener {
+
+    @RabbitListener(queues = {RabbitMQConfig.COUPON_QUEUE})
+    public void consume(String msg, Channel channel, Message message) throws InterruptedException, IOException {
+        // 预扣除优惠券
+        Thread.sleep(400);
+        System.out.println("优惠券预扣除成功！" + msg);
+        // 手动ACK
+        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
+    }
+
+}
diff --git a/04-coupon/src/main/resources/application.yml b/04-coupon/src/main/resources/application.yml
index 4088ece..45ca452 100644
--- a/04-coupon/src/main/resources/application.yml
+++ b/04-coupon/src/main/resources/application.yml
@@ -7,4 +7,13 @@ spring:
   cloud:
     nacos:
       discovery:
-        server-addr: 114.116.226.76:8848
\ No newline at end of file
+        server-addr: 114.116.226.76:8848
+  rabbitmq:
+    host: 114.116.226.76
+    port: 5672
+    username: rabbitmq
+    password: rabbitmq
+    virtual-host: rabbitmq
+    listener:
+      simple:
+        acknowledge-mode: manual
\ No newline at end of file