datetmie模块

datetime模块可以看成是时间加减的模块

import time

import datetime

1 返回当前时间

print(datetime.datetime.now())

# 2019-09-15 15:40:50.268535

print(datetime.date.fromtimestamp(time.time()))

# 2019-09-15

print(datetime.datetime.now() + datetime.timedelta(3))

# 2019-09-18 15:40:50.268535

print(datetime.datetime.now() + datetime.timedelta(-3))

# 2019-09-12 15:40:50.268535

print(datetime.datetime.now() + datetime.timedelta(hours=3))

#2019-09-15 18:40:50.268535

print(datetime.datetime.now() + datetime.timedelta(minutes=30))

#2019-09-15 16:10:50.268535

c_time = datetime.datetime.now()

print(c_time.replace(minute=20, hour=5, second=13))

#2019-09-15 05:20:13.268535