# -*- coding: utf-8 -*-
# Author ? ?: markadc

from datetime import datetime, timedelta


# 獲取今天任意時刻的時間戳
def today_anytime_tsp(hour, minute, second=0):
? ? now = datetime.now()
? ? today_0 = now - timedelta(hours=now.hour, minutes=now.minute, seconds=now.second)
? ? today_anytime = today_0 + timedelta(hours=hour, minutes=minute, seconds=second)
? ? tsp = today_anytime.timestamp()
? ? print('{} ?的時間戳是 ?{}'.format(today_anytime, tsp))
? ? return tsp


if __name__ == '__main__':
? ? tsp = today_anytime_tsp(18, 15, 23) ?# 獲取今天18點15分23秒的時間戳
? ? print(tsp)

>>> import datetime
>>> today = datetime.date.today() ? ? ? ? ? ? ? ? ? # 今天
>>> yesterday = today - datetime.timedelta(days=1) ?# 昨天
>>> tomorrow = today + datetime.timedelta(days=1) ? # 明天
>>> print(yesterday,today,tomorrow)
(datetime.date(2018, 7, 31), datetime.date(2018, 8, 1), datetime.date(2018, 8, 2))
>>>

>>> import datetime
>>> t1 = datetime.datetime.today()                  # 獲取現在時間
>>> t1
datetime.datetime(2018, 8, 1, 21, 34, 19, 924000)  
>>> t2 = t1 + datetime.timedelta(seconds=1)         # 獲取一秒后的時間
>>> t2
datetime.datetime(2018, 8, 1, 21, 34, 20, 924000)  
>>> t3 = t1 + datetime.timedelta(seconds=60)        # 獲取一分后的時間
>>> t3
datetime.datetime(2018, 8, 1, 21, 35, 19, 924000)
>>> t4 = t1 + datetime.timedelta(seconds=3600)      # 獲取一小時后的時間
>>> t4
datetime.datetime(2018, 8, 1, 22, 34, 19, 924000)
>>> today = datetime.date.today()                   # 獲取當前日期
>>> anday = today + datetime.timedelta(days=365)    # 獲取一年后日期
>>> print(anday)
2019-08-01
>>>