SpringBoot 动态定时器的使用方法

package com.clsystem.Comm;
import org.springframework.scheduling.annotation.Scheduled;
/**
 * Created by pudding on 2017-11-10.(打卡记录定时任务)
 */
@Component
public class ClockTiming {
  /**
   * 定时器
   */
  @Scheduled(cron="0 0 0 * * ?")//每天0点开始
  public void insertClock(){
    //业务逻辑
  }
}

package com.clsystem.Comm;
import com.clsystem.Util.DateUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.Trigger;
import org.springframework.scheduling.TriggerContext;
import org.springframework.scheduling.annotation.SchedulingConfigurer;
import org.springframework.scheduling.config.ScheduledTaskRegistrar;
import org.springframework.scheduling.support.CronTrigger;
import org.springframework.stereotype.Component;
import java.util.Calendar;
import java.util.Date;
/**
 * Created by pudding on 2017-11-15.(动态定时器 用于打卡前10分钟推送消息)（!闹钟）
 */
@Component
public class DynamicScheduledTask implements SchedulingConfigurer {
  @Autowired
  private CheckSystemMapper checkSystemMapper;
  @Override
  public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
    taskRegistrar.addTriggerTask(new Runnable() {
      @Override
      public void run() {
        // 定时任务的业务逻辑
        System.out.println("提醒打卡");
      }
    },new Trigger() {
      @Override
      public Date nextExecutionTime(TriggerContext triggerContext) {//设置下次定时器
        Integer day= DateUtil.getDay();//获取今天周几
        day+=1;//得到明天周几
        if (day==8){//排除周日
          day=1;
        }
        String MornTime=checkSystemMapper.getCheckSystem(day).getBeforeMornTime();//获取明天上班时间
        int j = MornTime.indexOf(":");
        Integer BeforeMornTimeHour=Integer.parseInt(MornTime.substring(0,j));//取早上上班时
        Integer BeforeMornTimeMinute=Integer.parseInt(MornTime.substring(j+1,MornTime.length()));//取早上上班分
        Date date=new Date();
        date.setHours(BeforeMornTimeHour);
        date.setMinutes(BeforeMornTimeMinute);
        date.setSeconds(0);
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.add(Calendar.MINUTE,-10);//减去10分钟
        int hour=cal.get(Calendar.HOUR_OF_DAY);//24小时制
        int minute=cal.get(Calendar.MINUTE);//分
        String cron="0 "+minute+" "+hour+" * * "+day+"";
        System.out.println(cron);
        CronTrigger trigger = new CronTrigger(cron); // 定时任务触发，可修改定时任务的执行周期
        Date nextExecDate = trigger.nextExecutionTime(triggerContext);
        return nextExecDate;
      }
    });
  }
}