判斷一個日期是否爲自定義日期格式, 以及該日期是否在期望的日期範圍之內;
import time
class Date:
EPS = float(1e-9)
DATE_FORMAT = "%Y-%m-%d %H:%M:%S" # 自定義日期格式;
def __init__(self, start, end):
if not self.is_valid_date(start) or not self.is_valid_date(end):
raise RuntimeError('參數不合法')
self.start = self.mk_time(start)
self.end = self.mk_time(end)
@classmethod
def is_valid_date(cls, str_date): # 判斷是否爲自定義日期格式;
try:
time.strptime(str_date, cls.DATE_FORMAT)
return True
except Exception:
return False
@classmethod
def mk_time(cls, x):
return time.mktime(time.strptime(x, cls.DATE_FORMAT))
def is_target_date(self, str_date): # 判斷是否爲期望日期範圍;
if not self.is_valid_date(str_date):
return False
cur = self.mk_time(str_date)
return self.start-self.EPS <= cur < self.end-self.EPS
if __name__ == '__main__':
ins = Date('2018-10-09 12:30:30', '2018-10-09 12:30:32')
print(ins.is_target_date('2018-10-09 12:30:32'))