python实现简单日期工具类
本文实例为大家分享了python实现简单日期工具类的具体代码，供大家参考，具体内容如下
importdatetime
importtime
DATETIME_FORMAT="%Y-%m-%d%H:%M:%S"
TIME_FORMAT="%H:%M:%S"
#当前毫秒数
defcurMilis():
returnint(time.time()*1000)
#当前秒数
defcurSeconds():
returnint(time.time())
#当前日期格式%Y-%m-%d%H:%M:%S
defcurDatetime():
returndatetime.datetime.strftime(datetime.datetime.now(),DATETIME_FORMAT)
#当前日期格式%Y-%m-%d
defcurDate():
returndatetime.date.today()
#当前时间格式%Y-%m-%d
defcurTime():
returntime.strftime(TIME_FORMAT)
#秒转日期
defsecondsToDatetime(seconds):
returntime.strftime(DATETIME_FORMAT,time.localtime(seconds))
#毫秒转日期
defmilisToDatetime(milix):
returntime.strftime(DATETIME_FORMAT,time.localtime(milix//1000))
#日期转毫秒
defdatetimeToMilis(datetimestr):
strf=time.strptime(datetimestr,DATETIME_FORMAT)
returnint(time.mktime(strf))*1000
#日期转秒
defdatetimeToSeconds(datetimestr):
strf=time.strptime(datetimestr,DATETIME_FORMAT)
returnint(time.mktime(strf))
#当前年
defcurYear():
returndatetime.datetime.now().year
#当前月
defcurMonth():
returndatetime.datetime.now().month
#当前日
defcurDay():
returndatetime.datetime.now().day
#当前时
defcurHour():
returndatetime.datetime.now().hour
#当前分
defcurMinute():
returndatetime.datetime.now().minute
#当前秒
defcurSecond():
returndatetime.datetime.now().second
#星期几
defcurWeek():
returndatetime.datetime.now().weekday()
#几天前的时间
defnowDaysAgo(days):
daysAgoTime=datetime.datetime.now()-datetime.timedelta(days=days)
returntime.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())
#几天后的时间
defnowDaysAfter(days):
daysAgoTime=datetime.datetime.now()+datetime.timedelta(days=days)
returntime.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())
#某个日期几天前的时间
defdtimeDaysAgo(dtimestr,days):
daysAgoTime=datetime.datetime.strptime(dtimestr,DATETIME_FORMAT)-datetime.timedelta(days=days)
returntime.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())
#某个日期几天前的时间
defdtimeDaysAfter(dtimestr,days):
daysAgoTime=datetime.datetime.strptime(dtimestr,DATETIME_FORMAT)+datetime.timedelta(days=days)
returntime.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())
secondStamp=curSeconds()
print("当前秒：",secondStamp)
milisStamp=curMilis()
print("当前毫秒：",milisStamp)
curdTime=curDatetime()
print("当前时间：",curdTime)
curDate=curDate()
print("当前日期：",curDate)
curT=curTime()
print("当前时刻：",curT)
stdtime=secondsToDatetime(secondStamp)
print("秒转时间：",stdtime)
mtdtime=milisToDatetime(milisStamp)
print("毫秒转时间：",mtdtime)
dtimetm=datetimeToMilis(mtdtime)
print("时间转毫秒：",dtimetm)
dtimets=datetimeToSeconds(mtdtime)
print("时间转秒：",dtimets)
year=curYear()
print("年：",year)
month=curMonth()
print("月：",month)
day=curDay()
print("日：",day)
hour=curHour()
print("时：",hour)
minute=curMinute()
print("分：",minute)
second=curSecond()
print("秒：",second)
week=curWeek()
print("星期：",week)
输出结果如下：
当前秒：1518341913 当前毫秒：1518341913403 当前时间：2018-02-1117:38:33 当前日期：2018-02-11 当前时刻：17:38:33 秒转时间：2018-02-1117:38:33 毫秒转时间：2018-02-1117:38:33 时间转毫秒：1518341913000 时间转秒：1518341913 年：2018 月：2 日：11 时：17 分：38 秒：33 星期：6 [Finishedin0.2s]
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