python时间减法
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时间：2020-08-18 09:53:13 来源:igfitidea点击:
python time subtraction
提问by Tebe
I want to get the time in Python. With time.ctime(), there are lots of functions:
我想在 Python 中获得时间。使用time.ctime()，有很多功能：
I tried:
我试过：
def write_time():
NUMBER_OF_MIN=40 #my offset
obj=time.gmtime()
print " D", obj.tm_mday, " M",obj.tm_mon, "Y",obj.tm_year,
" time", obj.tm_hour+TIME_OFFSET,":", obj.tm_min-NUMBER_OF_MIN, ":",obj.tm_sec
I want to subtract 40 minutes from the time.
我想从时间中减去 40 分钟。
采纳答案by acjay
Check out the datetimelibrary, which provides much more flexibility for math using dates.
查看datetime库，它为使用日期的数学提供了更大的灵活性。
For example:
例如：
import datetime
print datetime.datetime.now()
print datetime.datetime.now() - datetime.timedelta(minutes=2)
print datetime.datetime.now() - datetime.timedelta(seconds=10)
print datetime.datetime.now() - datetime.timedelta(milliseconds=400)
Prints:
印刷：
el@dev ~ $ python test.py
2014-11-26 06:47:07.179411
2014-11-26 06:45:07.179538
2014-11-26 06:46:57.179581
2014-11-26 06:47:06.779614
