Python中的datetime模块

Python中的datetime模块

本文是基于Windows系统环境，学习和测试datetime模块：

• Windows 10

• PyCharm 2018.3.5 for Windows (exe)

• python 3.6.8 Windows x86 executable installer

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1. 显示日期

• 显示今天日期

import datetime
today = datetime.date.today()
print(today) #  2019-07-30
formatted_today=today.strftime('%y%m%d')
print(formatted_today) #  190730

• 显示明天日期

import datetime
today = datetime.date.today()
print(today) #  2019-07-30
tomorrow = today + datetime.timedelta(days=1)
print(tomorrow) #  2019-07-31

• 显示昨天日期

import datetime
today = datetime.date.today()
print(today) #  2019-07-30
yesterday= today + datetime.timedelta(days=-1)
print(yesterday) #  2019-07-29

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