datetime模块

• datetime模块可以看成是时间加减的模块

1.import datetime

• 导入datetime模块

datetime.datetime.now()  # 打印当前时间
# 2019-08-16 19:55:21.141274


now = datetime.datetime.now()
print(now+datetime.timedelta(3))  # 默认+3天

print(now+datetime.timedelta(hours=3))  # 当天时间+3小时
print(now+datetime.timedelta(minutes=3))  # 当天时间+3分钟


now.replace(year=1900)# 替换当前年份


print(datetime.date.fromtimestamp(time.time()))
# 2019-03-07


datetime.datetime.now() + datetime.timedelta(hours=3)# 当前时间-3小时
# 2019-03-07 19:22:14.575881

datetime.datetime.now() + datetime.timedelta(minutes=30)# 当前时间+30分钟
# 2019-03-07 16:52:14.585432

c_time = datetime.datetime.now()# 时间替换
print(c_time.replace(minute=20, hour=5, second=13))
# 2019-03-07 05:20:13.595493

063 datatime模块

原文：https://www.cnblogs.com/xichenHome/p/11366343.html