python中有一個輕量級的定時任務調度的庫：schedule。他可以完成每分鍾，每小時，每天，周幾，特定日期的定時任務。因此十分方便我們執行一些輕量級的定時任務.
代碼如下：
1 import schedule
2 import time
3
4 def job(name):
5 print("her name is : ", name)
6
7 name = "longsongpong"
8 schedule.every(10).minutes.do(job, name)
9 schedule.every().hour.do(job, name)
10 schedule.every().day.at("10:30").do(job, name)
11 schedule.every(5).to(10).days.do(job, name)
12 schedule.every().monday.do(job, name)
13 schedule.every().wednesday.at("13:15").do(job, name)
14
15 while True:
16 schedule.run_pending()
17 time.sleep(1)
- 每隔十分鍾執行一次任務
- 每隔一小時執行一次任務
- 每天的10:30執行一次任務
- 每隔5到10天執行一次任務
- 每周一的這個時候執行一次任務
- 每周三13:15執行一次任務
- run_pending：運行所有可以運行的任務
schedule方法是串行的，也就是說，如果各個任務之間時間不沖突，那是沒問題的；如果時間有沖突的話，會串行的執行命令
代碼如下:
1 import schedule
2 import time
3 import threading
4
5 def job():
6 print("I'm working... in job1 start")
7 time.sleep(15)
8 print("I'm working... in job1 end")
9
10 def job2():
11 print("I'm working... in job2")
12
13 schedule.every(10).seconds.do(job)
14 schedule.every(10).seconds.do(job2)
15
16 while True:
17 schedule.run_pending()
18 time.sleep(1)
結果如下:
I’m working… in job1 start I’m working… in job1 end I’m working… in job2
如果要多線程並發運行
代碼如下:
1 import schedule
2 import time
3 import threading
4
5 def job():
6 print("I'm working... in job1 start")
7 time.sleep(15)
8 print("I'm working... in job1 end")
9
10 def job2():
11 print("I'm working... in job2")
12
13 def run_threaded(job_func):
14 job_thread = threading.Thread(target=job_func)
15 job_thread.start()
16
17 schedule.every(10).seconds.do(run_threaded,job)
18 schedule.every(10).seconds.do(run_threaded,job2)
19
20
21 while True:
22 schedule.run_pending()
23 time.sleep(1)
結果如下:
1 I'm working... in job1 start 2 I'm working... in job2 3 I'm working... in job1 start 4 I'm working... in job2 5 I'm working... in job1 end 6 I'm working... in job1 start 7 I'm working... in job2