1.time模块基础示例

#encoding: utf8
import time
import datetime


def main():
    t = (2017, 5, 15, 17, 3, 38, 1, 48, 0)
    print dir(time)
    print "time.gmtime(): ",time.gmtime() # time.struct_time(tm_year=2017, tm_mon=5, tm_mday=15, tm_hour=4, tm_min=10, tm_sec=57, tm_wday=0, tm_yday=135, tm_isdst=0)
    print "time.time(): ", time.time()
    print "time.clock(): ", time.clock()
    print "time.sleep(): ..."
    print "time.localtime(): ",time.localtime()# time.struct_time(tm_year=2017, tm_mon=5, tm_mday=15, tm_hour=12, tm_min=29, tm_sec=42, tm_wday=0, tm_yday=135, tm_isdst=0)
    print "time.asctime(): ",time.asctime() # convert time tuple to string
    print "time.ctime(): ",time.ctime() # convert time in seconds to string
    print "time.mktime(): ",time.mktime(t)
    print "time.strftime(): ", time.strftime("%Y-%m-%d %H:%M:%S %p %a", time.gmtime())
    print "time.strptime(): ", time.strptime(time.ctime(), "%a %b %d %H:%M:%S %Y")
    print time.strftime('%X %x %Z').decode('gbk') #str
    print "-----struct_time: "
    print dir(time.gmtime())
    print "year: (for example, 1993)",time.gmtime().tm_year
    print "day of year:range[1,366]",time.gmtime().tm_yday
    print "day of week:range[0-6]", time.gmtime().tm_wday
    print "seconds:range[0-61]", time.gmtime().tm_sec
    print "month of year:range[1-12]", time.gmtime().tm_mon
    print "minutes:range[0-59]", time.gmtime().tm_min
    print "hours:range[1-23]", time.gmtime().tm_hour
    print "1 if summer time is in effect, 0 if not, and -1 if unknown", time.gmtime().tm_isdst
if __name__ == '__main__':
    main()

2.运行结果：

time示例.png

3.datetime模块基础示例

#encoding: utf8
import time
import datetime

def datetime_main():
    print "dir datetime: ", dir(datetime)
    # output: ['MAXYEAR', 'MINYEAR', '__doc__', '__name__', '__package__', 'date', 'datetime', 'datetime_CAPI', 'time', 'timedelta', 'tzinfo']
    print "MAXYEAR : ",datetime.MAXYEAR
    print "MINYEAR : ",datetime.MINYEAR
    print "date of datetime: ",datetime.date(year=2017, month=5,day=15)
    print "dir date of datetime: ", dir(datetime.date)
    print "--------method of date: "
    print "ctime of date: ", datetime.date.ctime(datetime.date(year=2017, month=5,day=15))
    print "day of date: ", datetime.date(year=2017, month=5,day=15).day
    print "month of date: ", datetime.date(year=2017, month=5,day=15).month
    print "year of date: ", datetime.date(year=2017, month=5,day=15).year
    print "weekday of date: ", datetime.date(year=2017, month=5,day=16).weekday()
    print "today of date: ", datetime.date.today()
    print "max of date: ",datetime.date.max
    print "min of date: ",datetime.date.min
    print "timetuple of date: ", datetime.date.timetuple(datetime.date(year=2017, month=5,day=15))
    print "strftime of date: ", datetime.date.strftime(datetime.date(year=2017, month=5,day=15), '%Y-%m-%d')
    print "toordinal of date: ", datetime.date.toordinal(datetime.date(year=2017, month=5,day=15))
    print "isoweekday of date: ", datetime.date.isoweekday(datetime.date(year=2017, month=5,day=15))
    print "isoformat of date: ", datetime.date.isoformat(datetime.date(year=2017, month=5,day=15))
    print "isocalendar of date: ", datetime.date.isocalendar(datetime.date(year=2017, month=5,day=15))
    print "fromordinal of date: ", datetime.date.fromordinal(datetime.date.toordinal(datetime.date(year=2017, month=5,day=15)))
    print "fromordinal of date: ", datetime.date.fromtimestamp(time.time())
    print "replace of date: ", datetime.date.replace(datetime.date(year=2017, month=5,day=15), year=2011)
    print "--------method of datetime: "
    print "dir datetime of datetime: ",dir(datetime.datetime)
    print "today of datetime: ",datetime.datetime.today()
    print "now of datetime: ", datetime.datetime.now()
    print "ctime of datetime: ", datetime.datetime(year=2017, month=5, day=15, hour=14, minute=38, second=56).ctime() #str
    print "date of datetime: ", datetime.datetime(year=2017, month=5, day=15, hour=14, minute=38, second=56).date()
    print "fromtimestamp of datetime: ", datetime.datetime.fromtimestamp(time.time())
    print "combine of datetime: ", datetime.datetime.combine(datetime.date(year=2017, month=5,day=15), datetime.time())
    print "isoformat of datetime: ", datetime.datetime.isoformat(datetime.datetime(year=2017, month=5, day=15, hour=14, minute=38, second=56))

    print "replace of datetime: ", datetime.datetime.replace(datetime.datetime(year=2017, month=5, day=15, hour=14, minute=38, second=56), year=2001)
    print "strptime of datetime: ", datetime.datetime.strptime(time.ctime(), "%a %b %d %H:%M:%S %Y")
    print "time of datetime: ", datetime.datetime.time(datetime.datetime.now())
    print "timetuple of datetime: ", datetime.datetime.timetuple(datetime.datetime.now())
    print "timetz of datetime: ", datetime.datetime.timetz(datetime.datetime.now())
    print "utcfromtimestamp of datetime: ", datetime.datetime.utcfromtimestamp(time.time())
    print "utcnow of datetime: ", datetime.datetime.utcnow()
    print "utctimetuple of datetime: ", datetime.datetime.utctimetuple(datetime.datetime.now())
    print "hour of datetime: ", datetime.datetime.now().hour
    print "microsecond of datetime: ", datetime.datetime.now().microsecond
    print "minute of datetime: ", datetime.datetime.now().minute
    print "tzinfo of datetime: ", datetime.datetime.now().tzinfo
    print "second of datetime: ", datetime.datetime.now().second
    print "--------method of time: "
    print "dir of time: ", dir(datetime.time)
    print "isoformat of time: ", datetime.time(hour=15,minute=07,second=40).isoformat()
    print "strftime of time: ", datetime.time(hour=15,minute=07,second=40).strftime('%H-%M-%S')
    print "replace of time: ", datetime.time(hour=15,minute=07,second=40).replace(hour=14)
    print "--------method of timedelta: "# 表示时间间隔，即两个时间点之间的长度
    print "dir of time: ", dir(datetime.timedelta)
    print "max of timedelta: ", datetime.timedelta.max
    print "min of timedelta: ", datetime.timedelta.min
    print "days of timedelta: ", datetime.timedelta(days=100).days
    print "one thousand days of now: ", datetime.datetime.now() - datetime.timedelta(days=100)
    print "one min later of now: ", datetime.datetime.now() + datetime.timedelta(minutes=1)
    print "one thousand sec later of now: ", datetime.datetime.now() + datetime.timedelta(seconds=100)
    print "the type of time-time: ",type((datetime.datetime.now() + datetime.timedelta(minutes=1)) -(datetime.datetime.now() - datetime.timedelta(days=100)))
    print "the total_seconds of time-time: ",((datetime.datetime.now() + datetime.timedelta(minutes=1)) -(datetime.datetime.now() - datetime.timedelta(days=100))).total_seconds()
if __name__ == '__main__':
    # main()
    datetime_main()

4.运行结果：

datetime示例.png