feat:初始化工程

src/main/java/org/example/service/OrderConsumer.java

@@ -0,0 +1,18 @@
+package org.example.service;
+
+import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
+import org.apache.rocketmq.spring.core.RocketMQListener;
+import org.springframework.stereotype.Component;
+
+import java.util.Map;
+
+@Component
+@RocketMQMessageListener(topic = "seckill-order", consumerGroup = "seckill-consumer")
+public class OrderConsumer implements RocketMQListener<Map> {
+
+    @Override
+    public void onMessage(Map msg) {
+        System.out.println("收到订单：" + msg);
+        // 后期写 DB
+    }
+}