python-->datetime模塊

目錄

• datetime模塊

datetime模塊

# datetime模塊能夠當作是時間加減的模塊
import datetime

# 返回當前時間
import datetime

print(datetime.datetime.now())
#  
2019-08-23 19:53:53.742850

#輸出是那一天
import datetime
import time
print(datetime.date.fromtimestamp(time.time()))


# 
2019-08-23

#當天時間加三日
import datetime
import time
print(datetime.datetime.now()+datetime.timedelta(3))
#
2019-08-26 19:56:13.500102

#當天時間減三天
import datetime
import time
print(datetime.datetime.now()+datetime.timedelta(-3))
# 
2019-08-20 19:57:18.572635

# 當天時間減3小時
import datetime
import time
print(datetime.datetime.now()+datetime.timedelta(hours=3))
#
2019-08-23 22:58:41.294881

# 時間替換
import datetime
import time
c_time = datetime.datetime.now()
print(c_time.replace(minute=20,hour=5,second=13))
#
2019-08-23 05:20:13.829892