時間 png info 5-0 mktime until mtime now() post

時間和日期 （圖中錯誤修正：dt_obj.strftime(format)） import time, datetime 1. datetime obj 1) datetime datetime.datetime.now() datetime.datetime.now() - datetime.timedelta(days=42) datetime.datetime.combine(datetime.date.today(), datetime.time.min) datetime.datetime(*time.localtime()[0:6]) datetime.datetime.strptime("2016-05-04 00:00:00", "%Y-%m-%d %H:%M:%S") datetime.datetime.fromtimestamp(1462291200.0) datetime.datetime.fromtimestamp(time.mktime(time.gmtime())) == datetime.datetime.utcfromtimestamp(time.mktime(time.localtime())) 2) date datetime.datetime.now().date() datetime.date.today() datetime.date.today() + datetime.timedelta(days=42) 3) timedelta datetime.timedelta(days=42) # datetime.timedelta(days=42).total_seconds() (datetime.datetime.now() - datetime.datetime(2016,5,4,0,0,0)) # (datetime.datetime.now() - datetime.datetime(2016,5,4,0,0,0)).total_seconds() 2. time tuple time.localtime() time.gmtime() datetime.datetime.now().timetuple() time.strptime("2016-05-04 00:00:00", "%Y-%m-%d %H:%M:%S") time.localtime(1462291200.0) 3. string datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) 4. time stamp time.time() time.mktime(time.localtime()) time.mktime(time.gmtime()) int(time.time()) + 86400 * days - 叠代： import datetime begin, end = ‘20151101’, datetime.datetime.today().strftime("%Y%m%d") begin_tuple, end_tuple = datetime.datetime.strptime(begin, "%Y%m%d”), datetime.datetime.strptime(end, "%Y%m%d”) mid_tuple = begin_tuple while mid_tuple < end_tuple: mid = mid_tuple.strftime("%Y%m%d") print mid mid_tuple += datetime.timedelta(days=30) - dateutil庫： import datetime from dateutil.rrule import rrule, MONTHLY begin_day = datetime.datetime.strptime("2015-11-01", "%Y-%m-%d") end_day = (datetime.datetime.today() + datetime.timedelta(days=31)) split_days = rrule(MONTHLY,dtstart=begin_day,until=end_day) for ld, rd in zip(*[iter(split_days[i:]) for i in range(2)]): print ld, rd - 其他問題： ISO Time (ISO 8601) in Python? How to parse an ISO 8601-formatted date? https://stackoverflow.com/questions/127803/how-to-parse-an-iso-8601-formatted-date - 參考： http://www.wklken.me/posts/2015/03/03/python-base-datetime.html http://blog.sina.com.cn/s/blog_b09d460201018o0v.html

python處理時間和日期