方法一
>>> text='2016-7-10'
>>> d=datetime.datetime.strptime(text, '%Y-%m-%d')
>>> t=d.timetuple()
>>> stamp=int(time.mktime(t))
>>> print stamp
1468080000
>>>
方法二
>>> text='2016-7-10'
>>> t=time.strptime(text, '%Y-%m-%d')
>>> stamp=int(time.mktime(t))
>>> print stamp
1468080000
>>>