本文實(shí)例講述了Python實(shí)現(xiàn)計(jì)算兩個(gè)時(shí)間之間相差天數(shù)的方法。分享給大家供大家參考，具體如下：

#-*- encoding:UTF-8 -*-

from datetime import date

import time

nowtime = date.today()

def convertstringtodate(stringtime):

"把字符串類型轉(zhuǎn)換為date類型"

if stringtime[0:2] == "20":

year=stringtime[0:4]

month=stringtime[4:6]

day=stringtime[6:8]

begintime=date(int(year),int(month),int(day))

return begintime

else :

year="20"+stringtime[0:2]

month=stringtime[2:4]

day=stringtime[4:6]

begintime=date(int(year),int(month),int(day))

return begintime

def comparetime(nowtime,stringtime):

"比較兩個(gè)時(shí)間,并返回兩個(gè)日期之間相差的天數(shù)"

if isinstance(nowtime,date):

pass

else:

nowtime=convertstringtodate(nowtime)

if isinstance(stringtime,date):

pass

else:

stringtime=convertstringtodate(stringtime)

result=nowtime-stringtime

return result.days

"""

if stringtime[0:2] == "20":

year=stringtime[0:4]

month=stringtime[4:6]

day=stringtime[6:8]

begintime=date(int(year),int(month),int(day))

endtime=nowtime

result=endtime-begintime

return result.days

else :

year="20"+stringtime[0:2]

month=stringtime[2:4]

day=stringtime[4:6]

begintime=date(int(year),int(month),int(day))

endtime=nowtime

result=endtime-begintime

return result.days

"""

print isinstance("20141012",date)

print comparetime(nowtime,"140619")

PS：這里再為大家推薦幾款關(guān)于日期與天數(shù)計(jì)算的在線工具供大家使用：

希望本文所述對(duì)大家Python程序設(shè)計(jì)有所幫助。

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