原文地址:http://www.quartz-scheduler.net/documentation/quartz-2.x/tutorial/crontrigger.html
注意：
位也可能是7位，最后1位的年可以省略。
位和第6位使用问号解决每月的那几天和每周的那几天的冲突问题。加了问号表示该位不起作用。
Format
A cron expression is a string comprised of 6 or 7 fields separated by white space. Fields can contain any of the allowed values, along with various combinations of the allowed special characters for that field. The fields are as follows:
|
Field Name |
Mandatory |
Allowed Values |
Allowed Special Characters |
|
Seconds |
YES |
0-59 |
, - * / |
|
Minutes |
YES |
0-59 |
, - * / |
|
Hours |
YES |
0-23 |
, - * / |
|
Day of month |
YES |
1-31 |
, - * ? / L W |
|
Month |
YES |
1-12 or JAN-DEC |
, - * / |
|
Day of week |
YES |
1-7 or SUN-SAT |
, - * ? / L # |
|
Year |
NO |
empty, 1970-2099 |
, - * / |
Examples
Here are some full examples:
|
Expression |
Meaning |
|
0 0 12 * * ? |
Fire at 12pm (noon) every day |
|
0 15 10 ? * * |
Fire at 10:15am every day |
|
0 15 10 * * ? |
Fire at 10:15am every day |
|
0 15 10 * * ? * |
Fire at 10:15am every day |
|
0 15 10 * * ? |
2005 Fire at 10:15am every day during the year 2005 |
|
0 * 14 * * ? |
Fire every minute starting at 2pm and ending at 2:59pm, every day |
|
0 0/5 14 * * ? |
Fire every 5 minutes starting at 2pm and ending at 2:55pm, every day |
|
0 0/5 14,18 * * ? |
Fire every 5 minutes starting at 2pm and ending at 2:55pm, AND fire every 5 minutes starting at 6pm and ending at 6:55pm, every day |
|
0 0-5 14 * * ? |
Fire every minute starting at 2pm and ending at 2:05pm, every day |
|
0 10,44 14 ? 3 WED |
Fire at 2:10pm and at 2:44pm every Wednesday in the month of March. |
|
0 15 10 ? * MON-FRI |
Fire at 10:15am every Monday, Tuesday, Wednesday, Thursday and Friday |
|
0 15 10 15 * ? |
Fire at 10:15am on the 15th day of every month |
|
0 15 10 L * ? |
Fire at 10:15am on the last day of every month |
|
0 15 10 L-2 * ? |
Fire at 10:15am on the 2nd-to-last last day of every month |
|
0 15 10 ? * 6L |
Fire at 10:15am on the last Friday of every month |
|
0 15 10 ? * 6L |
Fire at 10:15am on the last Friday of every month |
|
0 15 10 ? * 6L 2002-2005 |
Fire at 10:15am on every last friday of every month during the years 2002, 2003, 2004 and 2005 |
|
0 15 10 ? * 6#3 |
Fire at 10:15am on the third Friday of every month |
|
0 0 12 1/5 * ? |
Fire at 12pm (noon) every 5 days every month, starting on the first day of the month. |
|
0 11 11 11 11 ? |
Fire every November 11th at 11:11am. |