package com.kfit.task;
import java.util.Random;
import org.springframework.stereotype.Component;
 
/**
 * 定义3个任务
 * @author Angel(QQ:412887952)
 * @version v.0.1
 */
@Component
publicclass Task1 {
  //定义一个随机对象.
  publicstatic Random random =new Random();
 
  //任务一;
  publicvoid doTaskOne() throws Exception {
    System.out.println("开始做任务一");
    longstart = System.currentTimeMillis();
    Thread.sleep(random.nextInt(10000));
    longend = System.currentTimeMillis();
    System.out.println("完成任务一，耗时：" + (end - start) + "毫秒");
  }
 
  //任务二;
  publicvoid doTaskTwo() throws Exception {
    System.out.println("开始做任务二");
    longstart = System.currentTimeMillis();
    Thread.sleep(random.nextInt(10000));
    longend = System.currentTimeMillis();
    System.out.println("完成任务二，耗时：" + (end - start) + "毫秒");
  }
 
  //任务3;
  publicvoid doTaskThree() throws Exception {
    System.out.println("开始做任务三");
    longstart = System.currentTimeMillis();
    Thread.sleep(random.nextInt(10000));
    longend = System.currentTimeMillis();
    System.out.println("完成任务三，耗时：" + (end - start) + "毫秒");
  }
 
}

//测试task1.
  @RequestMapping("/task1")
  public String task1() throws Exception{
    task1.doTaskOne();
    task1.doTaskTwo();
    task1.doTaskThree();
    return"task1";
  }

package com.kfit.task;
import java.util.Random;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
 
/**
 * 定义3个任务
 * @author Angel(QQ:412887952)
 * @version v.0.1
 */
@Component
publicclass Task2 {
  //定义一个随机对象.
  publicstatic Random random =new Random();
 
  //任务一;
  @Async
  publicvoid doTaskOne() throws Exception {
    System.out.println("开始做任务一");
    longstart = System.currentTimeMillis();
    Thread.sleep(random.nextInt(10000));
    longend = System.currentTimeMillis();
    System.out.println("完成任务一，耗时：" + (end - start) + "毫秒");
  }
 
  //任务二;
  @Async
  publicvoid doTaskTwo() throws Exception {
    System.out.println("开始做任务二");
    longstart = System.currentTimeMillis();
    Thread.sleep(random.nextInt(10000));
    longend = System.currentTimeMillis();
    System.out.println("完成任务二，耗时：" + (end - start) + "毫秒");
  }
 
  //任务3;
  @Async
  publicvoid doTaskThree() throws Exception {
    System.out.println("开始做任务三");
    longstart = System.currentTimeMillis();
    Thread.sleep(random.nextInt(10000));
    longend = System.currentTimeMillis();
    System.out.println("完成任务三，耗时：" + (end - start) + "毫秒");
  }
 
}

@SpringBootApplication
@EnableAsync
publicclass App {

  //省略其它代码…

}

//测试task2.
  @RequestMapping("/task2")
  public String task2() throws Exception{
    task2.doTaskOne();
    task2.doTaskTwo();
    task2.doTaskThree();
    return"task2";
  }