python:时间处理模块

# coding=utf-8

from datetime import date, datetime
import time


def date_test():
    print ‘date.max‘, date.max
    print ‘date.min‘, date.min
    print ‘date.today‘, date.today()
    sdate = date.today()
    print sdate.year, sdate.month, sdate.day  # 获取日期的年月日
    print sdate.timetuple()  # 返回时间相关的数据结构
    print sdate.toordinal()  # 返回日期对应的Gregorian Calendar日期；
    print sdate.weekday()  # 实际星期几和真实星期差一天
    print sdate.isoweekday()  # 返回实际星期几
    print sdate.isocalendar()  # 返回一个日期元组
    print sdate.isoformat()  # 返回一个yyyy-mm-dd格式的日期
    sdate1 = sdate.replace(day=6)  # 生成指定时间的日期
    print sdate1
    diff = sdate1 - sdate
    print diff
    print sdate + diff
    print sdate1 > sdate
    
def time_test():
    tm = time(23, 46, 10)
#     print tm
#     print time.max
#     print time.min
    print tm.isoformat()

def datetime_test():
    print ‘datetime.max‘, datetime.max
    print ‘datetime.min‘, datetime.min
    print ‘datetime.resoluation‘, datetime.resolution  # 最小单位
    print ‘datetime.today‘, datetime.today()
    print ‘datetime.now‘, datetime.now()  # 可以指定时区
    print ‘datetime.utcnow‘, datetime.utcnow()
    print ‘datetime.fromtimestamp‘, datetime.fromtimestamp(time.time())  # 根据时间戳转化为时间
    
    sdatetime = datetime.today()  # 获取当天的时间日期
    print sdatetime.year  # 年
    print sdatetime.month  # 月
    print sdatetime.day  # 日
    print sdatetime.hour  # 时
    print sdatetime.minute  # 分
    print sdatetime.second  # 秒
    print sdatetime.date()  # 日期
    print sdatetime.time()  # 时间

def user_test():
    now = datetime.now()
    print now
    
    print now.strftime(‘%Y-%m-%d %H:%M:%S %f‘)  # 年，月，日，时，分，秒，毫秒
    print now.strftime(‘%Y-%m-%d %H:%M:%S %p‘)  # 年，月，日，时，分，秒，上午或者下午
    print now.strftime(‘%Y-%m-%d %H:%M‘)
    print now.strftime(‘%a‘)  # 星期几简写
    print now.strftime(‘%A‘)  # 星期几完整
    print now.strftime(‘%b‘)  # 几月简写
    print now.strftime(‘%B‘)  # 几月全写
    print now.strftime(‘%w‘)  # 这周的第几天
    print now.strftime(‘%j‘)  # 今年的第多少天
    print now.strftime(‘%U‘)  # 该周是今年的第几周
    print now.strftime(‘%X‘)  # 当前的时间
    print now.strftime(‘%x‘)  # 当前的日期
    print now.strftime(‘%c‘)  # 日期时间
    print now.ctime()
    
    print time.strftime(‘%Y-%m-%d %H:%M‘, time.localtime())  # 时间转化成字符串
    print type(time.strftime(‘%Y-%m-%d %H:%M‘, time.localtime()))
    print time.strptime("2015-02-18 12:10", ‘%Y-%m-%d %H:%M‘)
    print type(time.strptime("2015-02-18 12:10", ‘%Y-%m-%d %H:%M‘))
    

#python求两个时间的差
def Caltime(date1, date2):
    date1 = datetime.strptime(date1, "%Y-%m-%d %H:%M")
    date2 = datetime.strptime(date2, "%Y-%m-%d %H:%M")
    print type(date2 - date1)
    diff = date2 - date1
    print diff.total_seconds()
    print diff.days
    print diff.seconds
    
    
    
if __name__ == ‘__main__‘:
    Caltime("2012-08-10 06:15", "2012-08-10 06:26")
else:
    pass