1.延迟接收消息，防止出现线程吃满

src/main/java/com/yupi/springbootinit/common/DelayedRabbitMQStarter.java

@@ -0,0 +1,27 @@
+package com.yupi.springbootinit.common;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.amqp.rabbit.listener.RabbitListenerEndpointRegistry;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+@Component
+@Slf4j
+public class DelayedRabbitMQStarter implements ApplicationRunner {
+    
+    @Resource
+    private RabbitListenerEndpointRegistry registry; // Spring 提供的监听器注册表
+    
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        // 延迟 5 秒后启动监听器
+        log.info("延迟5秒启动 rabbitMQ 监听");
+        Thread.sleep(5000);
+        registry.getListenerContainer("hosts").start();
+        registry.getListenerContainer("bigbrother").start();
+    }
+}