python中"HH:MM:SS"和秒数的互相转换

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一、时分秒字符串转换成秒数

方法一

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beginTime = "08:30:30"
endTime = "9:33:33"

def t2s(t):
    h,m,s = t.strip().split(":")
    return int(h) * 3600 + int(m) * 60 + int(s)

print(t2s(beginTime))

方法二

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import datetime

beginTime = "08:30:30"
endTime = "9:33:33"

def time2sec(x):
	formatter = ("hours","minutes","seconds")
    int(datetime.timedelta(**{k:int(v) for k,v in zip(formatter,x.strip().split(":"))}).total_seconds())

print(time2sec(beginTime))

其他stackoverflow上的方法：

  1. http://stackoverflow.com/questions/10663720/converting-a-time-string-to-seconds-in-python
  2. http://stackoverflow.com/questions/6402812/how-to-convert-an-hmmss-time-string-to-seconds-in-python

二、秒数转换成时分秒字符串

方法一

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>>> import datetime
>>> str(datetime.timedelta(seconds=666))
'0:11:06'

方法二

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m, s = divmod(seconds, 60)
h, m = divmod(m, 60)
print "%d:%02d:%02d" % (h, m, s)