定时任务调度，,package com.

定时任务调度，,package com.

package com.apdplat.module.sms.service;import org.quartz.JobDetail;import org.quartz.Scheduler;import org.quartz.SchedulerException;import org.quartz.impl.StdSchedulerFactory;import static org.quartz.CronScheduleBuilder.cronSchedule;import org.quartz.CronTrigger;import static org.quartz.JobBuilder.newJob;import static org.quartz.TriggerBuilder.newTrigger;import org.slf4j.LoggerFactory;/** *任务调度器 */public class TaskScheduler {    private static org.slf4j.Logger log = LoggerFactory.getLogger(TaskScheduler.class);    private static Scheduler scheduler = null;    public static void unSchedule(){        if(scheduler!=null){            try {                scheduler.shutdown();                scheduler=null;                log.info("调度任务关闭成功");            } catch (SchedulerException ex) {                log.info("调度任务关闭失败",ex);            }        }    }    public static void schedule() {        try {            if(scheduler!=null){                unSchedule();            }            scheduler = new StdSchedulerFactory().getScheduler();             JobDetail job = newJob(SmsSendTask.class)                .withIdentity("job1", "group1")                .build();            CronTrigger trigger = newTrigger()                .withIdentity("trigger1", "group1")                .withSchedule(cronSchedule(PropertyHolder.get("trigger.expression")))                .build();            log.info("trigger.expression: "+trigger.getCronExpression());            scheduler.scheduleJob(job, trigger);            scheduler.start();        } catch (SchedulerException ex) {            log.info("调度任务失败",ex);        }    }    public static void main(String[] args) {        TaskScheduler.schedule();    }}//该片段来自于http://byrx.net