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工具简介
Quartz Cron表达式主要用于JAVA Spring定时任务中,用法如下:
# 每月的最后1天
@Scheduled(cron = "0 0 18 28–31 * ?")
public void doAtLastDayOfMonth() {
final Calendar calendar = Calendar.getInstance();
if (c.get(Calendar.DATE) == c.getActualMaximum(Calendar.DATE)) {
// do something here...
}
}
说明:
Java(Spring)
* * * * * * *
- - - - - - -
| | | | | | |
| | | | | | + year [optional]
| | | | | +----- day of week (0 - 7) (Sunday=0 or 7)
| | | | +---------- month (1 - 12)
| | | +--------------- day of month (1 - 31)
| | +-------------------- hour (0 - 23)
| +------------------------- min (0 - 59)
+------------------------------ second (0 - 59)
常用Quartz Cron表达式:
(1)0 0 2 1 * ? 表示在每月的1日的凌晨2点调整任务
(2)0 15 10 ? * MON-FRI 表示周一到周五每天上午10:15执行作业
(3)0 15 10 ? 6L 2002-2006 表示2002-2006年的每个月的最后一个星期五上午10:15执行作
(4)0 0 10,14,16 * * ? 每天上午10点,下午2点,4点
(5)0 0/30 9-17 * * ? 朝九晚五工作时间内每半小时
(6)0 0 12 ? * WED 表示每个星期三中午12点
(7)0 0 12 * * ? 每天中午12点触发
(8)0 15 10 ? * * 每天上午10:15触发
(9)0 15 10 * * ? 每天上午10:15触发
(10)0 15 10 * * ? 每天上午10:15触发
(11)0 15 10 * * ? 2005 2005年的每天上午10:15触发
(12)0 * 14 * * ? 在每天下午2点到下午2:59期间的每1分钟触发
(13)0 0/5 14 * * ? 在每天下午2点到下午2:55期间的每5分钟触发
(14)0 0/5 14,18 * * ? 在每天下午2点到2:55期间和下午6点到6:55期间的每5分钟触发
(15)0 0-5 14 * * ? 在每天下午2点到下午2:05期间的每1分钟触发
(16)0 10,44 14 ? 3 WED 每年三月的星期三的下午2:10和2:44触发
(17)0 15 10 ? * MON-FRI 周一至周五的上午10:15触发
(18)0 15 10 15 * ? 每月15日上午10:15触发
(19)0 15 10 L * ? 每月最后一日的上午10:15触发
(20)0 15 10 ? * 6L 每月的最后一个星期五上午10:15触发
(21)0 15 10 ? * 6L 2002-2005 2002年至2005年的每月的最后一个星期五上午10:15触发
(22)0 15 10 ? * 6#3 每月的第三个星期五上午10:15触发