[Python3]日期和时间处理

# -*- coding:utf-8 -*-

__author__ = '谷白'

# 导入日期和时间

from datetime import date
from datetime import time
from datetime import datetime

if __name__ == "__main__":
    # 获取下今天的的日期
    today = date.today()
    print("今天是 %s" % today)
    
    # 把今天的日期年月日分开，重新格式化下一下
    print("今天是 %s %s %s" % (today.day, today.month, today.year))
    
    # 看下今天是星期几
    # 星期几    序号
    # Monday     0
    # Tuesday    1
    # Wednesday  2
    # Thursday   3
    # Friday     4
    # Saturday   5
    # Sunday     6
    # weekday会获取到对应的序号，请根据序号对上上述表，来看是星期几
    weekday_num = today.weekday()    
    print("今天weekday是 %s" % weekday_num)    
    
    # 输出可读性更好的星期几
    weekdays = ("Monday", "Tuesday", "Wednesday", 
        "Thursday", "Friday", "Saturday", "Sunday")    
    print("今天是 %s" % weekdays[weekday_num])    
    print("-" * 30)    
    
    # 看看现在的时间
    today_now =  datetime.now()    
    print("现在是 %s" % today_now)    
    
    # 用time来构造个时间出来
    t = time(hour=12, minute=20, secOnd=30, microsecOnd=200)    
    print("我们自己造的时间是 %s" % t)    
    
    # 再造个日期时间出来试试
    d = datetime(year=2008, mOnth=8, day=8, hour=8, minute=8, secOnd=8)
    print("我们自己造是日期时间 %s" % d)

# -*- coding:utf-8 -*-

__author__ = '谷白'

import time

if __name__ == "__main__":    
    # time.strftime(format[, t])

    # 先看下当前默认格式化的时间
    localtime = time.asctime(time.localtime())    
    print("当前默认日期时间格式: %s" % localtime)    
    
    # 格式化为： 年-月-日 时:分:秒 星期几
    print("24小时制全格式：", time.strftime("%Y-%m-%d %H:%M:%S %A",
        time.localtime()))
    print("12小时制缩写格式：", time.strftime("%Y-%m-%d %I:%M:%S %a", 
        time.localtime()))
    
    # 带a.m. 或 p.m. 标识时间格式  %p
    print("带a.m或p.m 24小时制全格式：", 
        time.strftime("%Y-%m-%d %H:%M:%S %p %A", time.localtime()))
    
    # 把时区也带上看看 %z
    print("带时区的全格式：", 
        time.strftime("%Y-%m-%d %H:%M:%S %p %A %z", time.localtime()))
    
    # 格式乱排下试试
    print("随意排格式：", 
        time.strftime("%A %Y-%d-%m %p %H:%M:%S %z", time.localtime()))