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python定时器实例分享

2024-07-10 06:30:42   220人阅读

分享一个python定时器的例子，有关python time模块的实例。

代码:

class SLTimer(multiprocessing.Process):#from datetime import datetime#import timedef __init__(self, target=None, args=(), kwargs={},date=None,time=None):‘‘‘@param date 1900-01-01@param time 00:00:00‘‘‘super(SLTimer,self).__init__(target=target,args=args,kwargs=kwargs)_date = ‘‘if date is None:_date = datetime.now().__str__()[:10]else :_date = date_time = ‘‘if time is None:_time = datetime.now().__str__()[11:19]else:_time = timeself.__runtime = ‘%s %s‘ % (_date,_time)def run(self):timeLen = len(‘1900-00-00 00:00:00‘)while True:now = datetime.now().__str__()[:timeLen]if now>=self.__runtime:breakprint ‘sleeping... %s‘ % nowtime.sleep(1.0)super(SLTimer,self).run()

测试(www.jbxue.com)：

def show1():
from datetime import datetime
print ‘hello,current time:%s‘ % datetime.now().__str__()
def t23():
from stock.task import SLTimer
timer = SLTimer(show1, time=‘16:31:50‘)
timer.start()


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