时间的操作

将元组时间转换为字符串格式时间

import time

>>> x = time.localtime()
>>> time.strftime('%Y-%m-%d %H:%M:%S',x)
'2018-02-09 19:26:42'

import datetime
1.返回当前时间
>>> datetime.datetime.now()
datetime.datetime(2017, 5, 9, 17, 7, 0, 514481) 2.时间戳转换成日期 >>> datetime.date.fromtimestamp(1178766678) datetime.date(2007, 5, 10) 3.当前时间+3天 >>> datetime.datetime.now() + datetime.timedelta(+3) datetime.datetime(2017, 5, 12, 17, 12, 42, 124379) 4.当前时间-3天 >>> datetime.datetime.now() + datetime.timedelta(-3) datetime.datetime(2017, 5, 6, 17, 13, 18, 474406) 5.当前时间+3小时 >>> datetime.datetime.now() + datetime.timedelta(hours=3) datetime.datetime(2017, 5, 9, 20, 13, 55, 678310) 6.当前时间+30分钟 >>> datetime.datetime.now() + datetime.timedelta(minutes=30) datetime.datetime(2017, 5, 9, 17, 44, 40, 392370)