day_05 time 模块

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       __author__ = 'Administrator'
       
       

       
       
 #python time 模块
       
       

       
       
 import time
       
       

       
       
 print(time.time())#返回当前的时间
       
       

       
       
 print(time.ctime(time.time()-8600))
       
       

       
       
 trs=time.gmtime()#可以拆开里面的值
       
       

       
       

       
       

       
       
 print(trs.tm_year,trs.tm_mon)
       
       

       
       

       
       

       
       
 print("{year}-{month}".format(year=trs.tm_year,month=trs.tm_mon))
       
       

       
       
 print(time.localtime(time.time()))
       
       

       
       

       
       

       
       
 print(time.mktime(trs))#可以把一个时间对象转变成一个时间戳
       
       

       
       

       
       

       
       
 print(time.strftime("%Y_%m_%d %H_%M_%S",time.localtime()))#转化成当前时间,把时间对象转化成字符串
       
       

       
       
 #转化成格林威治的时间是time.gtime()
       
       

       
       
 r=time.strptime("2016-05-16","%Y-%m-%d")
       
       

       
       
 print(r)#转化成时间对象
       
       

       
       
 print(time.mktime(r))#将时间对象转化为时间戳
       
       

       
       

       
       

       
       

       
       

       
       
 #datetime模块，
       
       

       
       
 import time,datetime
       
       

       
       
 p=datetime.date.today()
       
       

       
       
 print(datetime.date.today(),type(p))
       
       

       
       
 print(datetime.datetime.now())
       
       

       
       
 current=datetime.datetime.now()
       
       

       
       
 print(current.timetuple())#返回struct_time格式
       
       

       
       

       
       

       
       
 print(datetime.datetime.now()+datetime.timedelta(days=10))#往后延长十天
       
       

       
       
 ss=current.replace(2015,9,14)
       
       

       
       
 #回到之前某一年某一月某一日
       
       

       
       
 print(current>ss)#比较时间大小的
       
       

       
       
 print(datetime.datetime.strptime("21/11/06 16:30","%d/%m/%y %H:%M"))
      
      
      
      

       
       
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