# coding=utf-8"""Demonstrates how to use the background scheduler to schedule a job that executes on 3 secondintervals."""from datetime import datetimeimport timeimport osfrom apscheduler.schedulers.background import BackgroundSchedulerdef tick():  print('Tick! The time is: %s' % datetime.now())if __name__ == '__main__':  scheduler = BackgroundScheduler()  scheduler.add_job(tick, 'interval', seconds=3)　　#間隔3秒鐘執(zhí)行一次  scheduler.start()  #這里的調(diào)度任務(wù)是獨(dú)立的一個線程  print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))  try:    # This is here to simulate application activity (which keeps the main thread alive).    while True:      time.sleep(2)  #其他任務(wù)是獨(dú)立的線程執(zhí)行      print('sleep!')  except (KeyboardInterrupt, SystemExit):    # Not strictly necessary if daemonic mode is enabled but should be done if possible    scheduler.shutdown()    print('Exit The Job!')

# coding=utf-8"""Demonstrates how to use the background scheduler to schedule a job that executes on 3 secondintervals."""from datetime import datetimeimport timeimport osfrom apscheduler.schedulers.background import BackgroundSchedulerdef tick():  print('Tick! The time is: %s' % datetime.now())if __name__ == '__main__':  scheduler = BackgroundScheduler()  #scheduler.add_job(tick, 'interval', seconds=3)  scheduler.add_job(tick, 'date', run_date='2016-02-14 15:01:05')　　#在指定的時間，只執(zhí)行一次  scheduler.start()  #這里的調(diào)度任務(wù)是獨(dú)立的一個線程  print('Press Ctrl+{0} to exit'.format('Break' if os.name == 'nt' else 'C'))  try:    # This is here to simulate application activity (which keeps the main thread alive).    while True:      time.sleep(2)  #其他任務(wù)是獨(dú)立的線程執(zhí)行      print('sleep!')  except (KeyboardInterrupt, SystemExit):    # Not strictly necessary if daemonic mode is enabled but should be done if possible    scheduler.shutdown()    print('Exit The Job!')

# coding=utf-8"""Demonstrates how to use the background scheduler to schedule a job that executes on 3 secondintervals."""from datetime import datetimeimport timeimport osfrom apscheduler.schedulers.background import BackgroundSchedulerdef tick():  print('Tick! The time is: %s' % datetime.now())if __name__ == '__main__':  scheduler = BackgroundScheduler()  #scheduler.add_job(tick, 'interval', seconds=3)  #scheduler.add_job(tick, 'date', run_date='2016-02-14 15:01:05')  scheduler.add_job(tick, 'cron', day_of_week='6', second='*/5')  '''    year (int|str) 

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