{"id":215,"date":"2016-12-25T22:19:49","date_gmt":"2016-12-25T14:19:49","guid":{"rendered":"http:\/\/blog.defjia.top\/?p=215"},"modified":"2016-12-25T22:19:49","modified_gmt":"2016-12-25T14:19:49","slug":"python%e6%97%b6%e9%97%b4%e6%97%a5%e6%9c%9f%e5%a4%84%e7%90%86%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/blog.defjia.top\/?p=215","title":{"rendered":"Python\u65f6\u95f4\u65e5\u671f\u5904\u7406\u5b66\u4e60"},"content":{"rendered":"

\u591a\u6458\u81eahttp:\/\/www.wklken.me\/posts\/2015\/03\/03\/python-base-datetime.html#_1<\/a><\/p>\n

\n#\u4e94\u79cd\u65f6\u95f4\u8868\u793a\u65b9\u6cd5
\nfrom datetime import *
\ndatetime = datetime.now()
\n#datetime.datetime(2016, 12, 26, 0, 53, 7, 510071)
\ntype(datetime)
\n#<class ‘datetime.datetime’>
\ndate = datetime.now().date()
\n#datetime.date(2016, 12, 26)
\ntype(date)
\n#<class ‘datetime.date’>
\nstr_ = datetime.now().strftime(“%Y-%m-%d %H:%M:%S”)
\n#’2016-12-26 00:54:14′<\/p>\n

import time
\ntime = time.time()
\n#1482684884.7402322
\ntype(time)
\n#<class ‘float’>
\nlocaltime = localtime()
\n#time.struct_time(tm_year=2016, tm_mon=12, tm_mday=26, tm_hour=0, tm_min=56, tm_sec=3, tm_wday=0, tm_yday=361, tm_isdst=0)
\ntype(localtime)
\n#<class ‘time.struct_time’><\/p>\n

from datetime import *
\ndatetime = datetime.now()
\n#datetime.datetime(2015, 1, 12, 23, 26, 24, 475680)
\ntoday = date.today()
\n#datetime.date(2015, 1, 12)
\ntoday_add = date.today() + timedelta(days=1)
\n#datetime.date(2015, 1, 13)
\nday_start = datetime.combine(date.today(), time.min)
\n#datetime.datetime(2015, 1, 12, 0, 0)
\nday_end = datetime.combine(date.today(), time.max)
\n#datetime.datetime(2015, 1, 12, 23, 59, 59, 999999)
\ndelta = (datetime(2015,1,13,12,0,0) – datetime.now()).total_seconds()
\n#44747.768075
\nweek_end = today + timedelta(6 – today.weekday())
\n#datetime.date(2015, 1, 18)<\/p>\n

#Demo1 — get the last day of current month
\n>>> import calendar
\n>>> today = datetime.date.today()
\n>>> _, last_day_num = calendar.monthrange(today.year, today.month)
\n>>> last_day = datetime.date(today.year, today.month, last_day_num)
\n>>> last_day
\ndatetime.date(2015, 1, 31)<\/p>\n

#Demo2 — get the last day of last month
\n>>> import datetime
\n>>> today = datetime.date.today()
\n>>> first = datetime.date(day=1, month=today.month, year=today.year)
\n>>> lastMonth = first – datetime.timedelta(days=1)<\/p>\n

#convert between datetime, date, timestamp, timetuple, string
\ndatetime.now().date()#1.1 datetime -> date
\ndatetime.combine(date.today(), time())#1.2 date -> datetime
\ntime.mktime(datetime.now().timetuple())#2.1 datetime -> timestamp
\ndatetime.fromtimestamp(1421077403.0)#2.2 timestamp -> datetime
\ndatetime.now().timetuple()#3.1 datetime -> timetuple
\ntimetuple => timestamp => datetime #3.2 timetuple -> datetime
\ndatetime.now().strftime(“%Y-%m-%d %H:%M:%S”)#4.1 datetime -> string
\ndatetime.strptime(“2014-12-31 18:20:10”, “%Y-%m-%d %H:%M:%S”)#4.2 string -> datetime\n<\/p><\/blockquote>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u591a\u6458\u81eahttp:\/\/www.wklken.me\/posts\/2015\/03\/03\/python-base-datetime.html#_1 #\u4e94\u79cd\u65f6\u95f4\u8868\u793a\u65b9\u6cd5 from datetime import * datetime = datetime.now() #datetime.datetime(2016, 12, 26, 0, 53, 7\u2026\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-215","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/blog.defjia.top\/index.php?rest_route=\/wp\/v2\/posts\/215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.defjia.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.defjia.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.defjia.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.defjia.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=215"}],"version-history":[{"count":0,"href":"https:\/\/blog.defjia.top\/index.php?rest_route=\/wp\/v2\/posts\/215\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.defjia.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.defjia.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.defjia.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}