4t2eq 发表于 2015-4-27 09:27:43

python中date、datetime、string的相互转换

import datetime
import time

string转datetimestr = '2012-11-19'
date_time = datetime.datetime.strptime(str,'%Y-%m-%d')
date_time
               datetime.datetime(2012,11,19,0,0)

datetime转stringdate_time.strftime('%Y-%m-%d')
                '2012-11-19'

datetime转时间戳time_time = time.mktime(date_time.timetuple())
time_time
                1353254400.0

时间戳转stringtime.strftime('%Y-%m-%d',time.localtime(time_time))
                '2012-11-19'

date转datetimedate = datetime.date.today()
date
datetime.date(2012,11,19)
datetime.datetime.strptime(str(date),'%Y-%m-%d') #将date转换为str,在由str转换为datetime
datetime.datetime(2012,11,19,0,0)

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