关于time模块的代码部分
1 #_*_coding:utf-8_*_ 2 __author__ = 'Alex Li' 3 4 import time 5 6 7 # print(time.clock()) #返回处理器时间,3.3开始已废弃 , 改成了time.process_time()测量处理器运算时间,不包括sleep时间,不稳定,mac上测不出来 8 # print(time.altzone) #返回与utc时间的时间差,以秒计算 9 # print(time.asctime()) #返回时间格式"Fri Aug 19 11:14:16 2016", 10 # print(time.localtime()) #返回本地时间 的struct time对象格式 11 # print(time.gmtime(time.time()-800000)) #返回utc时间的struc时间对象格式 12 13 # print(time.asctime(time.localtime())) #返回时间格式"Fri Aug 19 11:14:16 2016", 14 #print(time.ctime()) #返回Fri Aug 19 12:38:29 2016 格式, 同上 15 16 17 18 # 日期字符串 转成 时间戳 19 # string_2_struct = time.strptime("2016/05/22","%Y/%m/%d") #将 日期字符串 转成 struct时间对象格式 20 # print(string_2_struct) 21 # # 22 # struct_2_stamp = time.mktime(string_2_struct) #将struct时间对象转成时间戳 23 # print(struct_2_stamp) 24 25 26 27 #将时间戳转为字符串格式 28 # print(time.gmtime(time.time()-86640)) #将utc时间戳转换成struct_time格式 29 # print(time.strftime("%Y-%m-%d %H:%M:%S",time.gmtime()) ) #将utc struct_time格式转成指定的字符串格式 30 31 32 33 34 35 #时间加减 36 import datetime 37 38 # print(datetime.datetime.now()) #返回 2016-08-19 12:47:03.941925 39 #print(datetime.date.fromtimestamp(time.time()) ) # 时间戳直接转成日期格式 2016-08-19 40 # print(datetime.datetime.now() ) 41 # print(datetime.datetime.now() + datetime.timedelta(3)) #当前时间+3天 42 # print(datetime.datetime.now() + datetime.timedelta(-3)) #当前时间-3天 43 # print(datetime.datetime.now() + datetime.timedelta(hours=3)) #当前时间+3小时 44 # print(datetime.datetime.now() + datetime.timedelta(minutes=30)) #当前时间+30分 45 46 47 # 48 # c_time = datetime.datetime.now() 49 # print(c_time.replace(minute=3,hour=2)) #时间替换
time.localtime()
time.struct_time(tm_year=2018, tm_mon=1, tm_mday=23, tm_hour=20, tm_min=39, tm_sec=34, tm_wday=1, tm_yday=23, tm_isdst=0)
time.time() 获取时间戳
time.timezone
-28800
-28800/3600
-8.0 中国是东八区
time.gmtime() UTC时区
time.struct_time(tm_year=2018, tm_mon=1, tm_mday=23, tm_hour=12, tm_min=48, tm_sec=3, tm_wday=1, tm_yday=23, tm_isdst=0)
time.localtime() UTC+8时区
time.struct_time(tm_year=2018, tm_mon=1, tm_mday=23, tm_hour=20, tm_min=49, tm_sec=2, tm_wday=1, tm_yday=23, tm_isdst=0)
time.mktime()
time.strftime('%Y-%m-%d %H:%M:%S,x)
time.asctime()
'Tue Jan 23 21:23:35 2018'
import time x=time.localtime() print(x.tm_year) #根据时间戳进行时间推算
datetime
#获取当前时间
datetime.datetime.now()
datetime.datetime(2018, 1, 23, 21, 27, 21, 66406)
#往后加三天
datetime.datetime.now()+datetime.timedelta(3)
datetime.datetime(2018, 1, 26, 21, 28, 35, 72639)
#往后加三个小时