#time模块 import time #print(time.time()) #1518082617.222511 ***** # 该数值为1970年unix诞生到现在的秒数 为时间戳 #time.sleep(3) #后边程序在3秒后执行 ***** #print(time.clock()) #计算cpu执行时间 #print(time.gmtime()) #结构化时间：time.struct_time(tm_year=2018, tm_mon=2, tm_mday=8, # tm_hour=9, tm_min=44, tm_sec=19, tm_wday=3, tm_yday=39, tm_isdst=0) #print(time.localtime()) #结构化时间（北京）：time.struct_time(tm_year=2018, tm_mon=2, tm_mday=8, # tm_hour=17, tm_min=55, tm_sec=9, tm_wday=3, tm_yday=39, tm_isdst=0) #print(help(time)) #struct_time = time.localtime() #print(time.strftime('%Y--%m--%d %H:%M:%S',struct_time)) #2018--02--08 18:05:21 ***** # print(time.strptime('2018--02--08 18:05:21','%Y--%m--%d %H:%M:%S')) # a = time.strptime('2018--02--08 18:05:21','%Y--%m--%d %H:%M:%S') # print(a.tm_year) #2018 # print(a.tm_hour) #18 #时间戳，结构化时间，格式化时间 #print(time.ctime()) # Thu Feb 8 21:39:35 2018 #print(time.ctime(3600)) # Thu Jan 1 09:00:00 1970 #print(time.mktime(time.localtime())) # 1518097484.0 import datetime print(datetime.datetime.now()) #2018-02-09 07:35:47.956193
#时间 %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.