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Python 日期和时间处理
source link: https://liyangliang.me/posts/2018/06/python-date-time/
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Python 日期和时间处理
2012 年大四的时候写过一篇 Python 时间戳和日期相互转换，当时是初学 Python，对标准库也理解不深；随便找到一种解决方案就记录下来并发到博客上了。现在回看起来，其实太过繁琐了。然而从 Google Analytics 后台看，这竟然是点击率第二的文章，着实让我感到诧异。本着对读者负责的态度，有必要结合这些年的开发经验，再写一篇日期和时间处理的博客。
首先再次回答「Python 时间戳和日期相互转换」的问题。
时间戳转日期
import datetime
import time
t = time.time()
print('Timestamp', t)
dt = datetime.datetime.fromtimestamp(t)
print('Datetime', dt)
Timestamp 1527927420.684622
Datetime 2018-06-02 16:17:00.684622
日期转时间戳
import datetime
now = datetime.datetime.now()
print('Datetime', now)
print('Timestamp', now.timestamp())
Datetime 2018-06-02 16:18:42.170874
Timestamp 1527927522.170874
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