订单服务消息队列配置

xdclass-order-service/src/main/java/net/jieyuu/config/RabbitMQConfig.java

@@ -0,0 +1,128 @@
+package net.jieyuu.config;
+
+
+import lombok.Data;
+import org.springframework.amqp.core.Binding;
+import org.springframework.amqp.core.Exchange;
+import org.springframework.amqp.core.Queue;
+import org.springframework.amqp.core.TopicExchange;
+import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
+import org.springframework.amqp.support.converter.MessageConverter;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+@Data
+public class RabbitMQConfig {
+
+    /**
+     * 交换机
+     */
+    @Value("${mqconfig.order_event_exchange}")
+    private String eventExchange;
+
+
+    /**
+     * 延迟队列
+     */
+    @Value("${mqconfig.order_close_delay_queue}")
+    private String orderCloseDelayQueue;
+
+    /**
+     * 关单队列
+     */
+    @Value("${mqconfig.order_close_queue}")
+    private String orderCloseQueue;
+
+
+
+    /**
+     * 进入延迟队列的路由key
+     */
+    @Value("${mqconfig.order_close_delay_routing_key}")
+    private String orderCloseDelayRoutingKey;
+
+
+    /**
+     * 进入死信队列的路由key
+     */
+    @Value("${mqconfig.order_close_routing_key}")
+    private String orderCloseRoutingKey;
+
+    /**
+     * 过期时间
+     */
+    @Value("${mqconfig.ttl}")
+    private Integer ttl;
+
+    /**
+     * 消息转换器
+     *
+     * @return
+     */
+    @Bean
+    public MessageConverter messageConverter() {
+        return new Jackson2JsonMessageConverter();
+    }
+
+    /**
+     * 自动创建交换机 Topic类型 也可dirct交换机
+     * 一个微服务一个交换机
+     *
+     * @return
+     */
+    @Bean
+    public Exchange orderEventExchange() {
+        return new TopicExchange(eventExchange, true, false);
+    }
+
+    /**
+     * 延迟队列
+     *
+     * @return
+     */
+    @Bean
+    public Queue orderCloseDelayQueue() {
+        Map<String, Object> args = new HashMap<>(3);
+        args.put("x-dead-letter-routing-key", orderCloseRoutingKey);
+        args.put("x-dead-letter-exchange", eventExchange);
+        args.put("x-message-ttl", ttl);
+        return new Queue(orderCloseDelayQueue, true, false, false, args);
+    }
+
+    /**
+     * 死信队列 普通队列，用于被监听
+     *
+     * @return
+     */
+    @Bean
+    public Queue orderCloseQueue() {
+        return new Queue(orderCloseQueue, true, false, false);
+    }
+
+    /**
+     * 延迟队列建立绑定关系
+     *
+     * @return
+     */
+    @Bean
+    public Binding orderCloseDelayBinding() {
+        return new Binding(orderCloseDelayQueue, Binding.DestinationType.QUEUE, eventExchange, orderCloseDelayRoutingKey, null);
+    }
+
+    /**
+     * 死信队列建立绑定关系
+     *
+     * @return
+     */
+    @Bean
+    public Binding orderCloseBinding() {
+        return new Binding(orderCloseQueue, Binding.DestinationType.QUEUE, eventExchange, orderCloseRoutingKey, null);
+    }
+
+
+}

xdclass-order-service/src/main/java/net/jieyuu/service/impl/ProductOrderServiceImpl.java

@@ -112,7 +112,7 @@ public class ProductOrderServiceImpl extends ServiceImpl<ProductOrderMapper, Pro
         //创建订单项
         this.saveproductOrderItems(orderOutTradeNo, productOrderDO.getId(), orderItemList);
         // 发送延迟消息，用于自动关单 todo
-        
+
 
         //创建支付 todo
 
@@ -146,11 +146,7 @@ public class ProductOrderServiceImpl extends ServiceImpl<ProductOrderMapper, Pro
 
             return itemDO;
         }).collect(Collectors.toList());
-
-
         productOrderItemMapper.insertBatch(orderItemDOList);
-
-
     }
 
     /**

xdclass-order-service/src/main/resources/application.yml

@@ -43,4 +43,24 @@ logging:
   level:
     root: INFO
 
+#自定义消息队列配置，发送锁定库存消息-》延迟exchange-》lock.queue-》死信exchange-》release.queue
+mqconfig:
+  #延迟队列，不能被监听消费
+  order_close_delay_queue: order.close.delay.queue
+
+  #延迟队列的消息过期后转发的队列
+  order_close_queue: order.close.queue
+
+  #交换机
+  order_event_exchange: order.event.exchange
+
+  #进入延迟队列的路由key
+  order_close_delay_routing_key: order.close.delay.routing.key
+
+  #消息过期，进入释放队列的key,进入死信队列的key
+  order_close_routing_key: order.close.routing.key
+
+  #消息过期时间,毫秒,测试改为15秒
+  ttl: 15000
+