springboot异步调用的介绍（附代码）

public void test() throws InterruptedException {
       Thread.sleep(2000);
       for (int i = 0; i < 1000; i++) {
           System.out.println("i = " + i);
       }
   }

   @GetMapping("test")
   public String test() {
       try {
           Thread.sleep(1000);
           System.out.println("主线程开始");
           for (int j = 0; j < 100; j++) {
               System.out.println("j = " + j);
           }
           asyncService.test();
           System.out.println("主线程结束");
           return "async";
       } catch (InterruptedException e) {
           e.printStackTrace();
           return "fail";
       }
   }

   @Async
   public void test() throws InterruptedException {
       Thread.sleep(2000);
       for (int i = 0; i < 1000; i++) {
           System.out.println("i = " + i);
       }
   }

@SpringBootApplication
@EnableAsync
public class AsyncApplication {
    public static void main(String[] args) {
        SpringApplication.run(AsyncApplication.class, args);
    }
}