qutraz用法(转)
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qutraz用法
任务调度在目前的JAVA应用程序中运用的十分普遍,故掌握QUARTZ是必备的技能
闲话少说,上官网:http://www.quartz-scheduler.org/
commons-logging log4j sff4j 等jar包要添加进去,quartz的jar包则肯定必须
Java代码
- public
class QuartzDemo implementsJob{ -
-
-
void execute(JobExecutionContext throwsarg0) JobExecutionException { -
System.out.println( -
-
} -
- }
public class QuartzDemo implements Job{ @Override public void execute(JobExecutionContext arg0) throws JobExecutionException { System.out.println("执行我......."); }}
然后写上各种测试实例
Java代码
- public
class Test { -
static final SimpleTrigger null;CronTrigger = -
-
static void main(String[] args){ -
} -
-
void test1(){ -
-
SchedulerFactory schedulerFactory = StdSchedulerFactory(); -
Scheduler scheduler; -
{ -
scheduler = schedulerFactory.getScheduler(); -
-
-
-
-
-
JobDetail jobDetail = -
JobDetail( "jobDetail-s1","jobDetailGroup-s1", QuartzDemo. class); -
-
-
SimpleTrigger simpleTrigger = -
SimpleTrigger( "simpleTrigger","triggerGroup-s1"); -
-
-
-
-
ctime = System.currentTimeMillis(); -
simpleTrigger.setStartTime( Date(ctime)); -
-
-
-
simpleTrigger.setRepeatInterval( -
-
-
simpleTrigger.setRepeatCount( -
-
-
-
-
-
-
scheduler.scheduleJob(jobDetail, simpleTrigger); -
-
-
scheduler.start(); -
} (SchedulerException e) { -
TODO Auto-generated catch block -
e.printStackTrace(); -
} -
} -
-
void test2(){ -
-
{ -
SchedulerFactory schedFact = org.quartz.impl.StdSchedulerFactory(); -
Scheduler sched = schedFact.getScheduler(); -
sched.start(); -
JobDetail jobDetail = JobDetail( Income Report " , -
Report Generation " , classQuartzDemo. ); -
jobDetail.getJobDataMap().put( type " , "FULL " ); -
CronTrigger trigger = CronTrigger( Income Report " , -
Report Generation " ); -
-
trigger.setCronexpression_r( 33 16 * * ?" ); -
sched.scheduleJob(jobDetail, trigger); -
} (Exception e) { -
e.printStackTrace(); -
} -
} -
-
void test3(){ -
-
SchedulerFactory schedulerFactory = StdSchedulerFactory(); -
Scheduler scheduler; -
{ -
scheduler = schedulerFactory.getScheduler(); -
-
JobDetail jobDetail = -
JobDetail( "jobDetail-s1","jobDetailGroup-s1", QuartzDemo. class); -
-
CronTrigger simpleTrigger = -
CronTrigger( "trigger","group", "job", "group", "16 26/1 );8-17 * * ?" -
new SimpleTrigger("simpleTrigger", "triggerGroup-s1"); -
-
-
-
excelCal = Calendar.getInstance(); -
1); -
16); -
0); -
9); -
long ctime = System.currentTimeMillis(); -
simpleTrigger.setStartTime(excelCal.getTime()); -
-
simpleTrigger.setRepeatInterval(1000); -
-
simpleTrigger.setRepeatCount(10); -
-
-
-
-
scheduler.scheduleJob(jobDetail, simpleTrigger); -
-
-
scheduler.start(); -
} (SchedulerException e) { -
TODO Auto-generated catch block -
e.printStackTrace(); -
} (ParseException e) { -
TODO Auto-generated catch block -
e.printStackTrace(); -
} -
-
-
} -
- }
public class Test { private static final SimpleTrigger CronTrigger = null; public static void main(String[] args){ } public void test1(){ //通过SchedulerFactory来获取一个调度器 SchedulerFactory schedulerFactory = new StdSchedulerFactory(); Scheduler scheduler; try { scheduler = schedulerFactory.getScheduler(); //引进作业程序 JobDetail jobDetail = new JobDetail("jobDetail-s1", "jobDetailGroup-s1", QuartzDemo.class); //new一个触发器 SimpleTrigger simpleTrigger = new SimpleTrigger("simpleTrigger", "triggerGroup-s1"); //设置作业启动时间 long ctime = System.currentTimeMillis(); simpleTrigger.setStartTime(new Date(ctime)); //设置作业执行间隔 simpleTrigger.setRepeatInterval(1000); //设置作业执行次数 simpleTrigger.setRepeatCount(10); //设置作业执行优先级默认为5 //simpleTrigger.setPriority(10); //作业和触发器设置到调度器中 scheduler.scheduleJob(jobDetail, simpleTrigger); //启动调度器 scheduler.start(); } catch (SchedulerException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public void test2(){ try { SchedulerFactory schedFact = new org.quartz.impl.StdSchedulerFactory(); Scheduler sched = schedFact.getScheduler(); sched.start(); JobDetail jobDetail = new JobDetail( " Income Report " , " Report Generation " , QuartzDemo.class ); jobDetail.getJobDataMap().put( " type " , " FULL " ); CronTrigger trigger = new CronTrigger( " Income Report " , " Report Generation " ); trigger.setCronexpression_r( "0 33 16 * * ?" ); sched.scheduleJob(jobDetail, trigger); } catch (Exception e) { e.printStackTrace(); } } public void test3(){ //通过SchedulerFactory来获取一个调度器 SchedulerFactory schedulerFactory = new StdSchedulerFactory(); Scheduler scheduler; try { scheduler = schedulerFactory.getScheduler(); //引进作业程序 JobDetail jobDetail = new JobDetail("jobDetail-s1", "jobDetailGroup-s1", QuartzDemo.class); //new一个触发器 CronTrigger simpleTrigger = new CronTrigger("trigger", "group", "job", "group", "16 26/1 8-17 * * ?"); // new SimpleTrigger("simpleTrigger", "triggerGroup-s1"); //设置作业启动时间 //Calendar excelCal = Calendar.getInstance(); //excelCal.add(Calendar.DAY_OF_MONTH, 1); ///excelCal.set(Calendar.HOUR_OF_DAY, 16); //excelCal.set(Calendar.SECOND, 0); //excelCal.add(Calendar.MINUTE, 9); // long ctime = System.currentTimeMillis(); // simpleTrigger.setStartTime(excelCal.getTime()); //设置作业执行间隔 // simpleTrigger.setRepeatInterval(1000); //设置作业执行次数 // simpleTrigger.setRepeatCount(10); //设置作业执行优先级默认为5 //simpleTrigger.setPriority(10); //作业和触发器设置到调度器中 scheduler.scheduleJob(jobDetail, simpleTrigger); //启动调度器 scheduler.start(); } catch (SchedulerException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
Java代码
- 1)Job类必须有默认的无参构造方法,当然不覆盖的话类本身就是无参的构造方法
-
- 2)Job的scope必须是Public类型的,因为quartz根据反射机制实例化类,如果不是public的,无法对其暴露
-
- 3)
Job类不能是内部类,原因同上,所以最好单独建类
1)Job类必须有默认的无参构造方法,当然不覆盖的话类本身就是无参的构造方法2)Job的scope必须是Public类型的,因为quartz根据反射机制实例化类,如果不是public的,无法对其暴露3) Job类不能是内部类,原因同上,所以最好单独建类
后附加上我网上搜集的
Java代码
- Quartz的配置文件:quartz.properties
- #
Configure Main Scheduler Properties - org.quartz.scheduler.instanceName
= TestScheduler - org.quartz.scheduler.instanceId
= one - #
Configure ThreadPool - org.quartz.threadPool.class
= org.quartz.simpl.SimpleThreadPool - org.quartz.threadPool.threadCount
= 5 - org.quartz.threadPool.threadPriority
= 4 - #
Configure JobStore - org.quartz.jobStore.misfireThreshold
= 5000 - org.quartz.jobStore.class
= org.quartz.simpl.RAMJobStore -
-
- 附:cronExpression配置说明
-
- 字段
允许值 允许的特殊字符 - 秒
, - * / - 分
, - * / - 小时
, - * / - 日期
, - * ? / L W C - 月份
或者 JAN-DEC , - * / - 星期
或者 SUN-SAT , - * ? / L C # - 年(可选)
留空, , - * / -
-
- 表达式
意义 - "0
0 12 * * ?" 每天中午 - "0
15 10 ? * *" 每天上午 - "0
15 10 * * ?" 每天上午 - "0
15 10 * * ? *" 每天上午 - "0
15 10 * * ? 2005" - "0
* 14 * * ?" 在每天下午 - "0
0/5 14 * * ?" 在每天下午 - "0
0/5 14,18 * * ?" 在每天下午 - "0
0-5 14 * * ?" 在每天下午 - "0
10,44 14 ? 3 WED" 每年三月的星期三的下午 - "0
15 10 ? * MON-FRI" 周一至周五的上午 - "0
15 10 15 * ?" 每月 - "0
15 10 L * ?" 每月最后一日的上午 - "0
15 10 ? * 6L" 每月的最后一个星期五上午 - "0
15 10 ? * 6L 2002-2005" - "0
15 10 ? * 6#3" 每月的第三个星期五上午 -
- 特殊字符
意义 - *
表示所有值; - ?
表示未说明的值,即不关心它为何值; - -
表示一个指定的范围; - ,
表示附加一个可能值; - /
符号前表示开始时间,符号后表示每次递增的值; - L("last")
( "L" 用在day-of-month字段意思是 "这个月最后一天";用在day-of-week字段, "7"它简单意思是 or "SAT"。如果在day-of-week字段里和数字联合使用,它的意思就是 "这个月的最后一个星期几"– "6L"例如: means "这个月的最后一个星期五".当我们用“L”时,不指明一个列表值或者范围是很重要的,不然的话,我们会得到一些意想不到的结果。 - W("weekday")
只能用在day-of-month字段。用来描叙最接近指定天的工作日(周一到周五)。例如:在day-of-month字段用“15W”指“最接近这个月第 - #
只能用在day-of-week字段。用来指定这个月的第几个周几。例:在day-of-week字段用 - C
指和calendar联系后计算过的值。例:在day-of-month 字段用“5C”指在这个月第
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