from threading import timerclass mytimer: def __init__(self): self._timer= none self._tm = none self._fn = none def _do_func(self): if self._fn: self._fn() self._do_start() def _do_start(self): self._timer = timer(self._tm, self._do_func) self._timer.start() def start(self, tm, fn): self._fn = fn self._tm = tm self._do_start() def stop(self): try: self._timer.cancel() except: passdef hello(): from datetime import datetime print(hello world!, datetime.now())if __name__ == '__main__': mt = mytimer() mt.start(2, hello) for i in range(10): import time time.sleep(1) mt.stop()
希望本文所述对大家的python程序设计有所帮助。
