python使用datetime子產品timedelta實作日期時間相加:
python計算明天的日期:
from datetime import datetime
from datetime import timedelta
now = datetime.now()
aDay = timedelta(days=1)
now = now + aDay
print now.strftime('%Y-%m-%d')
python計算昨天時間:
from datetime import datetime
from datetime import timedelta
now = datetime.now()
aDay = timedelta(days=-1)
now = now + aDay
print now.strftime('%Y-%m-%d')
使用timedelta可以很友善的在日期上做天days,小時hour,分鐘,秒,毫秒,微妙的時間計算,如果要計算月份則需要另外的辦法
計算上個月的月份
import time
last_month = time.localtime()[1]-1 or 12
print last_month