这里可以生成
Cron syntax has five fields separated by a space, and each field represents a unit of time.
┌───────────── minute (0 - 59)
│ ┌───────────── hour (0 - 23)
│ │ ┌───────────── day of the month (1 - 31)
│ │ │ ┌───────────── month (1 - 12 or JAN-DEC)
│ │ │ │ ┌───────────── day of the week (0 - 6 or SUN-SAT)
│ │ │ │ │
│ │ │ │ │
│ │ │ │ │
* * * * *
github 只支持下面几个, 不支持@的拓展
You can use these operators in any of the five fields:
| Operator | Description | Example |
|---|---|---|
| * | Any value | * * * * * runs every minute of every day. |
| , | Value list separator | 2,10 4,5 * * * runs at minute 2 and 10 of the 4th and 5th hour of every day. |
| - | Range of values | 0 4-6 * * * runs at minute 0 of the 4th, 5th, and 6th hour. |
| / | Step values | 20/15 * * * * runs every 15 minutes starting from minute 20 through 59 (minutes 20, 35, and 50). |
来源：oschina
链接：https://my.oschina.net/ahaoboy/blog/3186475