# -*- coding: utf-8 -*-
import time
import datetime
#當前時間datetime
now = datetime.datetime.now()
print('\n當前時間datetime：\t%s毙玻，類型：%s'%(now,type(now)))
#當前時間str
now_str = str(now)
print('當前時間str：\t\t%s，類型：%s'%(now_str,type(now_str)))
#當前時間時間戳
now_mktime =time.time()
print('當前時間時間戳：\t%s廊散，類型：%s'%(now_mktime,type(now_mktime)))
#今天桑滩、昨天、明天
today = datetime.date.today()
yesterday = today - datetime.timedelta(days=1)
tommorrow = today + datetime.timedelta(days=1)
print('\n今天:%s,昨天:%s,明天：%s'%(today,yesterday,tomorrow))
#任意時間字符串轉(zhuǎn)為datetime
today_8 = str(today)[0:10]+' 08:00:00'
today_8_time = datetime.datetime.strptime(today_8,'%Y-%m-%d %H:%M:%S')
print('獲取當天任意時間:',today_8,'類型:',type(today_8),today_8_time,'類型:',type(today_8_time))
#datetime轉(zhuǎn)為字符串
now_str = datetime.datetime.strftime(now,'%Y-%m-%d %H:%M:%S')
now_str_1 = str(now)[0:19]
print('\ndatetime轉(zhuǎn)為字符串：\t%s允睹，類型：%s'%(now_str,type(now_str)))
#字符串轉(zhuǎn)為datetime
str2datetime = datetime.datetime.strptime(now_str,'%Y-%m-%d %H:%M:%S')
now_time_1 = datetime.datetime.strptime(str(now)[0:19],'%Y-%m-%d %H:%M:%S')
print('字符串轉(zhuǎn)為datetime：\t%s运准，類型：%s'%(str2datetime,type(str2datetime)))
#將datetime轉(zhuǎn)為時間戳
datetime2mktime = time.mktime(today.timetuple())
print('\ndatetime轉(zhuǎn)為時間戳：\t%s幌氮，類型：%s'%(datetime2mktime,type(datetime2mktime)))
#將時間戳轉(zhuǎn)為datetime
mktime2datetime = datetime.datetime.fromtimestamp(now_mktime)
print('時間戳轉(zhuǎn)為字符串：\t%s，類型：%s'%(mktime2datetime,type(mktime2datetime)))
#字符串轉(zhuǎn)為時間戳
str2mktime = time.mktime(time.strptime(str(today), '%Y-%m-%d'))
print('\n字符串轉(zhuǎn)為時間戳：\t%s胁澳，類型：%s'%(str2mktime,type(str2mktime)))
#時間戳轉(zhuǎn)為字符串
# time.localtime()將時間戳轉(zhuǎn)換為struct_time
mktime2str = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(now_mktime))
print('時間戳轉(zhuǎn)為字符串：\t%s该互，類型：%s'%(mktime2str,type(mktime2str)))
輸出結(jié)果：
當前時間datetime： 2019-08-04 18:48:10.211342，類型：<class 'datetime.datetime'>
當前時間str： 2019-08-04 18:48:10.211342韭畸，類型：<class 'str'>
當前時間時間戳： 1564915690.2113426宇智，類型：<class 'float'>
今天:2019-08-04,昨天:2019-08-03,明天：2019-08-05
獲取當天任意時間: 2019-08-04 08:00:00 類型: <class 'str'> 2019-08-04 08:00:00 類型: <class 'datetime.datetime'>
datetime轉(zhuǎn)為字符串： 2019-08-04 18:48:10，類型：<class 'str'>
字符串轉(zhuǎn)為datetime： 2019-08-04 18:48:10胰丁，類型：<class 'datetime.datetime'>
datetime轉(zhuǎn)為時間戳： 1564848000.0随橘，類型：<class 'float'>
時間戳轉(zhuǎn)為字符串： 2019-08-04 18:48:10.211343，類型：<class 'datetime.datetime'>
字符串轉(zhuǎn)為時間戳： 1564848000.0隘马，類型：<class 'float'>
時間戳轉(zhuǎn)為字符串： 2019-08-04 18:48:10太防，類型：<class 'str'>
