python??????--time???datatime????????????

Posted 2020-11-18

?????????struct   ffffff   ??????   type   time   port   python??????   ??????   vpd   

1.time?????????

import time
print(time.time())#?????????????????????
print(time.localtime())#????????????????????????
print(time.asctime(time.localtime()))#????????????????????????
print(time.strftime(???%Y-%m-%d???,time.localtime()))#?????????????????????????????????
print(time.strptime(???2018-06-15???,???%Y-%m-%d???))#????????????????????????????????????
print(time.mktime(time.strptime(???2018-06-15???,???%Y-%m-%d???)))#?????????????????????????????????
>>:
1529034110.4935222
time.struct_time(tm_year=2018, tm_mon=6, tm_mday=15, tm_hour=11, tm_min=41, tm_sec=50, tm_wday=4, tm_yday=166, tm_isdst=0)
Fri Jun 15 11:41:50 2018
2018-06-15
time.struct_time(tm_year=2018, tm_mon=6, tm_mday=15, tm_hour=0, tm_min=0, tm_sec=0, tm_wday=4, tm_yday=166, tm_isdst=-1)
1528992000.0

2.datetimede?????????

import datetime
print(datetime.datetime.now())#??????????????????
print(datetime.datetime.strftime(datetime.datetime.now(),???%Y-%m-%d???))#??????????????????????????????
#????????????
print(datetime.datetime.now()+datetime.timedelta(days=2))
>>:
2018-06-15 11:41:50.495522
2018-06-15
2018-06-17 11:41:50.495522