day04rikao

src/main/java/com/bw/Rkday4Application.java

@@ -1,13 +1,15 @@
-package com.example.demo;
+package com.bw;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 
 @SpringBootApplication
-public class DemoApplication {
+@EnableScheduling
+public class Rkday4Application {
 
     public static void main(String[] args) {
-        SpringApplication.run(DemoApplication.class, args);
+        SpringApplication.run(Rkday4Application.class, args);
     }
 
 }

src/main/java/com/bw/test/ScheduledPrintNameService.java

@@ -0,0 +1,20 @@
+package com.bw.test;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+/**
+ * @ClassName Test
+ * @Description 描述
+ * @Author Chen
+ * @Date 2024/7/22 8:43
+ */
+//创建一个任务类 ScheduledPrintNameService
+@Component
+public class ScheduledPrintNameService {
+    //定时器 5秒执行一次
+    @Scheduled(cron = "*/5 * * * * ?")
+    public void test(){
+        System.out.println("哈哈哈");
+    }
+}