Python处理日期和时间的方法总结

import datetime
 
datetime_object = datetime.datetime.now()
print(datetime_object)

import datetime
 
date_object = datetime.date.today()
print(date_object)

import datetime
 
print(dir(datetime))

import datetime
 
d = datetime.date(2022, 3, 29)
print(d) 

from datetime import date
 
today = date.today()
 
print("当前日期 =", today)

from datetime import date
 
timestamp = date.fromtimestamp(1576244364)
print("日期 =", timestamp)

from datetime import date
 
# 今天的日期对象
today = date.today() 
 
print("当前年:", today.year)
print("当前月:", today.month)
print("当前日:", today.day)

from datetime import time
 
# time(hour = 0, minute = 0, second = 0)
a = time()
print("a =", a)
 
# time(hour, minute and second)
b = time(11, 34, 56)
print("b =", b)
 
# time(hour, minute and second)
c = time(hour = 11, minute = 34, second = 56)
print("c =", c)
 
# time(hour, minute, second, microsecond)
d = time(11, 34, 56, 234566)
print("d =", d)

from datetime import time
 
a = time(11, 34, 56)
 
print("小时=", a.hour)
print("分钟=", a.minute)
print("秒=", a.second)
print("微秒=", a.microsecond)

from datetime import datetime
 
#datetime(year, month, day)
a = datetime(2019, 11, 28)
print(a)
 
# datetime(year, month, day, hour, minute, second, microsecond)
b = datetime(2019, 11, 28, 23, 55, 59, 342380)
print(b)

from datetime import datetime
 
a = datetime(2022, 3, 29, 23, 55, 59, 342380)
print("年 =", a.year)
print("月 =", a.month)
print("日 =", a.day)
print("时 =", a.hour)
print("份 =", a.minute)
print("时间戳 =", a.timestamp())

from datetime import datetime, date
 
t1 = date(year = 2018, month = 7, day = 12)
t2 = date(year = 2017, month = 12, day = 23)
t3 = t1 - t2
print("t3 =", t3)
 
t4 = datetime(year = 2018, month = 7, day = 12, hour = 7, minute = 9, second = 33)
t5 = datetime(year = 2019, month = 6, day = 10, hour = 5, minute = 55, second = 13)
t6 = t4 - t5
print("t6 =", t6)
 
print("type of t3 =", type(t3)) 
print("type of t6 =", type(t6))

from datetime import timedelta
 
t1 = timedelta(weeks = 2, days = 5, hours = 1, seconds = 33)
t2 = timedelta(days = 4, hours = 11, minutes = 4, seconds = 54)
t3 = t1 - t2
 
print("t3 =", t3)