常用python日期时间方法

生成UNIX时间戳

===================

import time
t=time.strptime('2012-09-27 16:37:06', '%Y-%m-%d %X')
time.mktime(t)

日期比较

===================

import datetime,time

t1=datetime.date.fromtimestamp(time.time())
t2=datetime.date.today()
t1==t2-datetime.timedelta(days=1)