import datetime
import time

DATETIME_FORMAT = "%Y-%m-%d %H:%M:%S"
TIME_FORMAT = "%H:%M:%S"

#當(dāng)前毫秒數(shù)
def curMilis():
  return int(time.time() * 1000)

#當(dāng)前秒數(shù)
def curSeconds():
  return int(time.time())

#當(dāng)前日期 格式%Y-%m-%d %H:%M:%S
def curDatetime():
  return datetime.datetime.strftime(datetime.datetime.now(),DATETIME_FORMAT)

#當(dāng)前日期 格式%Y-%m-%d
def curDate():
  return datetime.date.today()

#當(dāng)前時(shí)間 格式%Y-%m-%d
def curTime():
  return time.strftime(TIME_FORMAT)

#秒轉(zhuǎn)日期
def secondsToDatetime(seconds):
  return time.strftime(DATETIME_FORMAT,time.localtime(seconds))

#毫秒轉(zhuǎn)日期
def milisToDatetime(milix):
  return time.strftime(DATETIME_FORMAT,time.localtime(milix//1000))

#日期轉(zhuǎn)毫秒
def datetimeToMilis(datetimestr):
  strf = time.strptime(datetimestr,DATETIME_FORMAT)
  return int(time.mktime(strf)) * 1000

#日期轉(zhuǎn)秒
def datetimeToSeconds(datetimestr):
  strf = time.strptime(datetimestr,DATETIME_FORMAT)
  return int(time.mktime(strf))

#當(dāng)前年
def curYear():
  return datetime.datetime.now().year
#當(dāng)前月
def curMonth():
  return datetime.datetime.now().month

#當(dāng)前日
def curDay():
  return datetime.datetime.now().day

#當(dāng)前時(shí)
def curHour():
  return datetime.datetime.now().hour

#當(dāng)前分
def curMinute():
  return datetime.datetime.now().minute

#當(dāng)前秒
def curSecond():
  return datetime.datetime.now().second

#星期幾
def curWeek():
  return datetime.datetime.now().weekday()

#幾天前的時(shí)間
def nowDaysAgo(days):
  daysAgoTime = datetime.datetime.now() - datetime.timedelta(days = days)
  return time.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())

#幾天后的時(shí)間
def nowDaysAfter(days):
  daysAgoTime = datetime.datetime.now() + datetime.timedelta(days = days)
  return time.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())

#某個(gè)日期幾天前的時(shí)間
def dtimeDaysAgo(dtimestr,days):
  daysAgoTime = datetime.datetime.strptime(dtimestr,DATETIME_FORMAT) - datetime.timedelta(days = days)
  return time.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())

#某個(gè)日期幾天前的時(shí)間
def dtimeDaysAfter(dtimestr,days):
  daysAgoTime = datetime.datetime.strptime(dtimestr,DATETIME_FORMAT) + datetime.timedelta(days = days)
  return time.strftime(DATETIME_FORMAT,daysAgoTime.timetuple())


secondStamp = curSeconds()
print("當(dāng)前秒：",secondStamp)
milisStamp = curMilis()
print("當(dāng)前毫秒：",milisStamp)

curdTime = curDatetime()
print("當(dāng)前時(shí)間：",curdTime)
curDate = curDate()
print("當(dāng)前日期：",curDate)
curT = curTime()
print("當(dāng)前時(shí)刻：",curT)


stdtime = secondsToDatetime(secondStamp)
print("秒轉(zhuǎn)時(shí)間：",stdtime)
mtdtime = milisToDatetime(milisStamp)
print("毫秒轉(zhuǎn)時(shí)間：",mtdtime)
dtimetm = datetimeToMilis(mtdtime)
print("時(shí)間轉(zhuǎn)毫秒：",dtimetm)
dtimets = datetimeToSeconds(mtdtime)
print("時(shí)間轉(zhuǎn)秒：",dtimets)

year = curYear()
print("年：",year)
month = curMonth()
print("月：",month)
day = curDay()
print("日：",day)
hour = curHour()
print("時(shí)：",hour)
minute = curMinute()
print("分：",minute)
second = curSecond()
print("秒：",second)
week = curWeek()
print("星期：",week)

當(dāng)前秒： 1518341913
當(dāng)前毫秒： 1518341913403
當(dāng)前時(shí)間： 2018-02-11 17:38:33
當(dāng)前日期： 2018-02-11
當(dāng)前時(shí)刻： 17:38:33
秒轉(zhuǎn)時(shí)間： 2018-02-11 17:38:33
毫秒轉(zhuǎn)時(shí)間： 2018-02-11 17:38:33
時(shí)間轉(zhuǎn)毫秒： 1518341913000
時(shí)間轉(zhuǎn)秒： 1518341913
年： 2018
月： 2
日： 11
時(shí)： 17
分： 38
秒： 33
星期： 6
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