>>>time_str='2008-08-08 08:08:08'
>>struct = ime.strptime(time_str,'%Y-%m-%d %H:%M:%S')
time.struct_time(tm_year=2008, tm_mon=8, tm_mday=8, tm_hour=8, tm_min=8, tm_sec=8, tm_wday=4, tm_yday=221, tm_isdst=-1)
>>>sec=time.mktime(struct) >>> sec 1218154088.0
>>time_str=time.strftime("%Y-%m-%d %H:%M:%S",struct)
>>> time_str
'2008-08-08 08:08:08'
<pre name="code" class="python">>> time.gmtime(sec) time.struct_time(tm_year=2008, tm_mon=8, tm_mday=8, tm_hour=0, tm_min=8, tm_sec=8, tm_wday=4, tm_yday=221, tm_isdst=0)
>>> time.ctime(sec) 'Fri Aug 08 08:08:08 2008'
>>> datetime.date.today()
datetime.date(2015, 4, 3)
>>> datetime.datetime.now()
datetime.datetime(2015, 4, 3, 15, 19, 47, 361000)
>>> time.time() 1428045689.396
>>> time.localtime() time.struct_time(tm_year=2015, tm_mon=4, tm_mday=3, tm_hour=15, tm_min=21, tm_sec=52, tm_wday=4, tm_yday=93, tm_isdst=0)
>>> time.ctime() 'Fri Apr 03 15:23:45 2015'
>>> datetime.datetime.now().timetuple() time.struct_time(tm_year=2015, tm_mon=4, tm_mday=3, tm_hour=15, tm_min=31, tm_sec=19, tm_wday=4, tm_yday=93, tm_isdst=-1)
>>> datetime.datetime.strptime('2014-01-01',"%Y-%m-%d")
datetime.datetime(2014, 1, 1, 0, 0)
>> today=datetime.date.today()
>>> delta=datetime.timedelta(days=1) >>> yesterday=today-delta >>> yesterday datetime.date(2015, 4, 2)
>>from time import time,localtime >>day = 24*60*60 >>yesterday = localtime(time()-day)
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