Jenkins learning (III) -- setting scheduled tasks

Set timing task

It is obviously not convenient to build the project manually every time , Sometimes you need to execute automated test scripts regularly . for example , Execute regularly every night xxx File to run automated test projects .

1. Set timing task

Previously created “test001” Project as an example , Click on the left side of the item “ To configure ” Options , Modify the configuration of the project .
find Build trigger , Check Build periodically( Time to build ) Options .

By viewing the setting instructions , Here, the format of scheduled tasks follows cron The grammar of （ It can be done with cron There are slight differences in grammar ）.

 The specific format , Each row contains five fields , adopt  Tab  Or separated by spaces .

2. Timing rule grammar ：

Field	*	*	*	*	*
meaning	minute	Hours	date	month	week
Value range	0-59	0-23	1-31	1-12	0-7
The rules
Specify a time frame	a-b
Specify the time interval	/
Specify the variable value	a,b,c

  Example ： 	 	 	 	 

1.  every other 15 Once per minute 

   ```
   H/15	*	*	*	*
   ```

2.  every other 2 Once an hour 	

   ```
   H 	H/2	*	*	*
   ```

3.  every other 3 Once a day 	

   ```
   H 	H	H/3	*	*
   ```

4.  every other 3 Once a day ( Monthly 1-15 Number )

   ```
   H 	H	1-15/3	*	*
   ```

5.  Once a week 1,3,5 Do it once 	

   ```
   H 	H	*	*	1,3,5
   ```

  1.