datetime获取时间

datetime.now()输出2019-10-28 11:42:55.610853

>>> from datetime import datetime
>>> print(datetime.now())
2019-10-28 11:42:55.610853
>>> print(str(datetime.now())[:10])
2019-10-28
>>>

time获取时间

time.time()时间戳 输出1572234320.213488

import time
 
# 格式化成2016-03-20 11:45:39形式
print(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) )
 
# 格式化成Sat Mar 28 22:24:24 2016形式
print(time.strftime("%a %b %d %H:%M:%S %Y", time.localtime()) )
  
# 将格式字符串转换为时间戳
a = "Sat Mar 28 22:24:24 2016"
print(time.mktime(time.strptime(a,"%a %b %d %H:%M:%S %Y")))