1>>> import datetime

string转datetime

1>>> import datetime
2>>> str = "2016-04-03"
3>>> date_time = datetime.datetime.strptime(str,'%Y-%m-%d')
4>>> date_time
5datetime.datetime(2016, 4, 3, 0, 0)

datetime转string

1>>> date_time.strftime('%Y-%m-%d')
2'2016-04-03'

datetime转时间戳

1>>> time_time = time.mktime(date_time.timetuple())
2>>> time_time
31459612800.0

时间戳转string

1>>> time.strftime('%Y-%m-%d',time.localtime(time_time))
2'2016-04-03'