Python 的時間格式化

對於像'wed, 11 apr 2012 09:37:05 +0800'的時間格式化可如下解：

>>> date='wed, 11 apr 2012 09:37:05 +0800'

>>> dd=datetime.datetime.strptime(date,'%a, %d %b %y %h:%m:%s %z')

>>> dd.strftime('%y-%m-%d %h:%m:%s')

python格式化日期時間的函式為datetime.datetime.strftime()；由字串轉為日期型的函式為：datetime.datetime.strptime()，兩個函式都涉及日期時間的格式化字串，列舉如下：

%a abbreviated weekday name   

%a full weekday name 
%b abbreviated month name 
%b full month name 
locale 
%d day of month as decimal number (01 - 31) 
%h hour in 24-hour format (00 - 23) 
%i hour in 12-hour format (01 - 12) 
%j day of year as decimal number (001 - 366) 
%m month as decimal number (01 - 12) 
%m minute as decimal number (00 - 59) 
%p current locale'
s a.m./p.m. indicator for 12-hour clock 
%s second as decimal number (00 - 59) 
%u week of year as decimal number, with sunday as first day of week (00 - 51) 
%w weekday as decimal number (0 - 6; sunday is
0) 
%w week of year as decimal number, with monday as first day of week (00 - 51) 
%x date representation for
current locale 
%x time representation for
current locale 
%y year without century, as decimal number (00 - 99) 
%y year with century, as decimal number 
%z, %z time-zone name or abbreviation; no characters if time zone is
unknown 
%% percent sign

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