CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutSign UpSign In
jackfrued

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: jackfrued/Python-100-Days
 Path: blob/master/Day01-15/code/Day09/clock.py
Views: 729
1
from time import time, localtime, sleep

2


3


4
class Clock(object):

5
    """数字时钟"""

6


7
    def __init__(self, hour=0, minute=0, second=0):

8
        self._hour = hour

9
        self._minute = minute

10
        self._second = second

11


12
    @classmethod

13
    def now(cls):

14
        ctime = localtime(time())

15
        return cls(ctime.tm_hour, ctime.tm_min, ctime.tm_sec)

16


17
    def run(self):

18
        """走字"""

19
        self._second += 1

20
        if self._second == 60:

21
            self._second = 0

22
            self._minute += 1

23
            if self._minute == 60:

24
                self._minute = 0

25
                self._hour += 1

26
                if self._hour == 24:

27
                    self._hour = 0

28


29
    def show(self):

30
        """显示时间"""

31
        return '%02d:%02d:%02d' % \

32
               (self._hour, self._minute, self._second)

33


34


35
def main():

36
    clock = Clock.now()

37
    while True:

38
        print(clock.show())

39
        sleep(1)

40
        clock.run()

41


42


43
if __name__ == '__main__':

44
    main()

45


46