dan*_*nik 5 java cron quartz-scheduler java-ee
我需要创建Job,它将:
这个cron表达式有效吗?
Date start = 12/20/2012;
Date endDate = 12/31/2017;
SimpleTrigger trigger = newTrigger()
.withIdentity("trigger3", "group1")
.startAt(startDate)
.withSchedule(cronSchedule("* * 17 0 0/2 *,SUN,MON").build())
.endAt(endDate)
.build;
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请指教.
我建议您根据 cron 表达式进行单元测试。感谢Van de Voorde Toni,您可以基于此代码,并使用它来验证“nextValidTimeAfter”是否符合您的期望:
import java.text.ParseException;
import java.util.Date;
import org.quartz.CronExpression;
public class CronTester {
public static void main(String[] args) throws ParseException {
final String expression = "* * 17 0 0/2 *,SUN,MON";
final CronExpression cronExpression = new CronExpression(expression);
final Date nextValidDate1 = cronExpression.getNextValidTimeAfter(new Date());
final Date nextValidDate2 = cronExpression.getNextValidTimeAfter(nextValidDate1);
System.out.println(nextValidDate1);
System.out.println(nextValidDate2);
}
}
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