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原理：

通过注解组件ScheduledAnnotationBeanPostProcessor ，获取到所有的通过注解@Scheduled(包括@EnableScheduling)注解启动的ScheduledTask集合，然后在集合里面遍历查找ScheduledTask对应的包名，以此判断是否关闭。

代码：

package com.shenweihong.main;import org.springframework.context.ApplicationEventPublisher;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor;
import org.springframework.scheduling.config.ScheduledTask;
import org.springframework.stereotype.Component;import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;@EnableScheduling
@Component
public class TimerFileWatch {@Autowiredprivate ScheduledAnnotationBeanPostProcessor mBeanPostProcessor;@Scheduled(fixedRate = 320 * 1)public void WatchFileChange() {stopTask();}private void stopTask() {Set<ScheduledTask> tasks = mBeanPostProcessor.getScheduledTasks();Iterator<ScheduledTask> it = tasks.iterator();ScheduledTask scheduledTask = null;String strTmp = null;while (it.hasNext()) {scheduledTask = it.next();if (scheduledTask == null) {continue;}System.out.println("scheduledTask = " + scheduledTask.toString());strTmp = scheduledTask.toString();if (strTmp != null && strTmp.equals("com.shenweihong.main.TimerFileWatch.WatchFileChange")) {scheduledTask.cancel();}}}
}