python 時間戳記 datetime string 轉換

標籤：python

import datetimeimport time

**datetime轉時間戳記**

In [1]: now = datetime.datetime.now()In [2]: time.mktime(now.timetuple())Out[2]: 1433501775.0

**datetime轉string**

In [3]: now.strftime(‘%Y-%m-%d‘)Out[3]: ‘2015-06-05‘In [4]: type(now.strftime(‘%Y-%m-%d‘))Out[4]: str

**string轉datetime**

In [5]: time_str = ‘2015-05-01 12:00:01‘In [5]: date_time = datetime.datetime.strptime(time_str,‘%Y-%m-%d %H:%M:%S‘)In [6]: date_timeOut[6]: datetime.datetime(2015, 5, 1, 12, 0, 1)

**時間戳記轉string**

In [17]: time.strftime(‘%Y-%m-%d‘,time.localtime(aa))Out[17]: ‘2015-06-05‘

python 時間戳記 datetime string 轉換