目录

* 一、datetime模块
<https://www.cnblogs.com/nickchen121/p/10807548.html#一datetime模块>
一、datetime模块
# datetime模块可以看成是时间加减的模块 import datetime # 返回当前时间
print(datetime.datetime.now()) 2019-03-07 16:22:14.544130
print(datetime.date.fromtimestamp(time.time())) 2019-03-07 # 当前时间+3天
print(datetime.datetime.now() + datetime.timedelta(3)) 2019-03-10
16:22:14.560599 # 当前时间-3天 print(datetime.datetime.now() +
datetime.timedelta(-3)) 2019-03-04 16:22:14.568473 # 当前时间-3小时
print(datetime.datetime.now() + datetime.timedelta(hours=3)) 2019-03-07
19:22:14.575881 # 当前时间+30分钟 print(datetime.datetime.now() +
datetime.timedelta(minutes=30)) 2019-03-07 16:52:14.585432 # 时间替换 c_time =
datetime.datetime.now() print(c_time.replace(minute=20, hour=5, second=13))
2019-03-07 05:20:13.595493

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