Spring Boot 定时任务（动态添加修改删除定时任务）

'package com.dhc.execute.web.controllers;

import java.util.Date;
import java.util.concurrent.ScheduledFuture;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
import org.springframework.scheduling.support.CronTrigger;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@Component
public class DynamicTask {
@Autowired
private ThreadPoolTaskScheduler threadPoolTaskScheduler;

private ScheduledFuture future;

@Bean
public ThreadPoolTaskScheduler threadPoolTaskScheduler() {
   return new ThreadPoolTaskScheduler();
}

@RequestMapping("/startCron")
public String startCron() {
   future = threadPoolTaskScheduler.schedule(new MyRunnable(), new CronTrigger("0/5 * * * * *"));
   System.out.println("DynamicTask.startCron()");
   return "startCron";
}

@RequestMapping("/stopCron")
public String stopCron() {
   if (future != null) {
       future.cancel(true);
   }
   System.out.println("DynamicTask.stopCron()");
   return "stopCron";
}

@RequestMapping("/changeCron10")
public String startCron10() {
   stopCron();// 先停止，在开启.
   future = threadPoolTaskScheduler.schedule(new MyRunnable(), new CronTrigger("*/10 * * * * *"));
   System.out.println("DynamicTask.startCron10()");
   return "changeCron10";
}

private class MyRunnable implements Runnable {
   @Override
   public void run() {
       System.out.println("DynamicTask.MyRunnable.run()，" + new Date());
   }
}

}'