#encoding=utf-8

 import time

 # 返回时间戳

 print time.time()

 # 延迟运行单位为s,如下为延迟3s

 time.sleep(3)

 # 转换时间戳为时间元组（时间对象）,自1970+second,其second为秒数

 print time.gmtime(4)

 # 转换时间戳为本地对象

 print time.localtime()

 # 将时间戳转换为字符串

 print time.asctime(time.localtime())

 # 将时间戳转换为字符串

 print time.ctime(5)

 # 将本地时间转换为时间戳

 t = (2009, 2, 17, 17, 3, 38, 1, 48, 0)

 print time.mktime(t)

 # 将时间对象转换为规范性字符串（常用）,格式如下

 '''

 %Y Year with century as a decimal number.

 %m Month as a decimal number [01,12].

 %d Day of the month as a decimal number [01,31].

 %H Hour (24-hour clock) as a decimal number [00,23].

 %M Minute as a decimal number [00,59].

 %S Second as a decimal number [00,61].

 %z Time zone offset from UTC.

 %a Locale's abbreviated weekday name.

 %A Locale's full weekday name.

 %b Locale's abbreviated month name.

 %B Locale's full month name.

 %c Locale's appropriate date and time representation.

 %I Hour (12-hour clock) as a decimal number [01,12].

 %p Locale's equivalent of either AM or PM.

 '''

 print time.strftime('%Y-%m-%d %H-%M-%S',t)

 # 将时间字符串根据指定的格式化符转换成数组形式的时间

 struct_time = time.strptime("30 Nov 00", "%d %b %y")

 print struct_time