Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 4 hours at 1 minutes past the hour“: Field 1: (1) indicates that the task will be run atminute1. Field 2: (*/4) indicates that the task will be run every 4hours....
* This pattern causes a task to be launched every 5 minutes (0:00, 0:05, 0:10, * 0:15 and so on). * * * 3-18/5 * * * * * This pattern causes a task to be launched every 5 minutes starting from the * third minute of the hour, up to the 18th (0:03, 0:08...
CronTrigger Example 4 - an expression to create a trigger that fires every half hour between the hours of 8 am and 10 am on the 5th and 20th of every month. Note that the trigger will NOT fire at 10:00 am, just at 8:00, 8:30, 9:00 and 9:30 "0 0/30 8-9 5,20 * ?" ...
EVERY_30_SECONDS = "*/30 * * * * *", EVERY_MINUTE = "*/1 * * * *", EVERY_5_MINUTES = "0 */5 * * * *", EVERY_10_MINUTES = "0 */10 * * * *", EVERY_30_MINUTES = "0 */30 * * * *", EVERY_HOUR = "0 0-23/1 * * *", EVERY_2_HOURS = "0 0-23/2 *...
DayofWeek, the problem is that there is a contradiction between "the 20th of every month" and "any day of the week". - Indicates the range. For example, IfMinutesis described as5 - 20,and then the field means the event will be triggered per minute from 5 to 20 minutes. ...
With CronTrigger, you can specify firing-schedules such as “every Friday at noon”, or “every weekday and 9:30 am”, or even “every 5 minutes between 9:00 am and 10:00 am on every Monday, Wednesday and Friday during January”. ...
parse('every 3 hours') # ==> '0 */3 * * *' Fugit::Nat.parse('every 4 months') # ==> '0 0 1 */4 *' Fugit::Nat.parse('every 5 minutes') # ==> '*/5 * * * *' Fugit::Nat.parse('every 15s') # ==> '*/15 * * * * *'...
"));// Description will be: "every 45 seconds"description=descriptor.describe(quartzCron);// Description will be: "every hour at minute 23 every day between Monday and Friday"// which is the same description we get for the cron below:descriptor.describe(parser.parse("0 23 * ? * MON-...
privateSortedSet<int> hours =null!; privateSortedSet<int> daysOfMonth =null!; privateSortedSet<int> months =null!; privateSortedSet<int> daysOfWeek =null!; privateSortedSet<int> years =null!; privateboollastdayOfWeek; privateinteveryNthWeek; ...
每一个字段都有一套可以指定有效值,如 Seconds (秒) :可以用数字0-59 表示, Minutes(分) :可以用数字0-59 表示, Hours(时) :可以用数字0-23表示, Day-of-Month(天) :可以用数字1-31 中的任一一个值,但要注意一些特别的月份 Month(月) :可以用0-11 或用字符串 “JAN, FEB, MAR, APR, MAY,...