datetime Processing of Python

Python version 3.5

1.datetime Package Import method

There are two ways to import a DateTime package ( new Note ):

The first type: import datetime # Importing Time date

>>> get current time: now = Datetime.datetime.now ()-------2017-09-15 11:29:21.796463

>>> get today's date: day = Datetime.date.today ()---------2017-09-15

>>> get yesterday's date: Yesterday = Today-datetime.timedelta (Days=1)---------2017-09-14

>>> get tomorrow's date: Tom = Today + Datetime.timedelta (Days=1)---------2017-09-16 (days is a parameter that represents today's date difference, can be changed, days=2, indicates the day after tomorrow 's date)

Datetime.strptime () Usage date string converted to date

>>>now = 2017-09-15 11:29:21.796463

>>>now.strptime ('%y-%m-%d ')---------2017-09-15

>>>now.strptime ('%y-%m-%d%h:%m:%s ')---------2017-09-15 11:29:21

Second type: from datetime import datetime

>>> get current time: now = DateTime.Now ()-------2017-09-15 11:29:21.796463 (Import a datetime module in a datetime package that can be called directly)

>>> get today's date: now = Datetime.today ()---------2017-09-15 11:29:21.796463 (Note: And today = Datetime.date.today () No As

datetime Processing of Python