SpringBoot实现动态定时任务

package com.allcom.service;
 
import com.allcom.dao.MysqlDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
 
/**
* @Author: zy
* @Description: 定时任务
* @Date: 2018/7/12_15:15
**/
@Service
public class TaskService {
 
 @Autowired
 private MysqlDao mysqlDao;
 
 @Scheduled(fixedRate = 5*1000)
 public void deleteInvalidCheckCode() {
  mysqlDao.deleteInvalidCheckCode();
 }
 
}

package com.allcom.task;
 
import com.allcom.service.TaskService;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
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 java.util.Date;
 
 
@Configuration
public class MyScheduledTask implements SchedulingConfigurer {
 
 @Mapper
 public interface CronMapper {
  @Select("select cron from user_cron limit 1")
  String getCron();
 }
 
 @Autowired
 @SuppressWarnings("all")
 CronMapper cronMapper;
 
 
 @Autowired
 @SuppressWarnings("all")
 private TaskService taskService;
 
 @Override
 public void configureTasks(ScheduledTaskRegistrar scheduledTaskRegistrar) {
   scheduledTaskRegistrar.addTriggerTask(new Runnable() {
    @Override
    public void run() {
     try {
      taskService.deleteInvalidCheckCode(); //异步定时操作
     } catch (Exception e) {
      e.printStackTrace();
     }
    }
   }, new Trigger() {
    @Override
    public Date nextExecutionTime(TriggerContext triggerContext) {
     String cron =cronMapper.getCron();
     if("".equals(cron)||cron==null)
      return null;
     //定时任务触发,可修改定时任务的执行周期
     CronTrigger trigger=new CronTrigger(cron);
     Date nextExecDate= trigger.nextExecutionTime(triggerContext);
     return nextExecDate;
    }
   });
 }
}

/**
* @Author: zy
* @Description: 删除用户过期的校验码
* @Date: 2018/7/12_15:20
**/
@Delete("DELETE from registinfo where id in (select id from (SELECT id FROM registinfo WHERE TIMESTAMPDIFF(MINUTE,lastupdatetime,NOW()) >= 15)a )")
void deleteInvalidCheckCode();