from datetime import datetime, timedelta weekdays = {'周一': ('Monday', 0), '周二': ('Tuesday', 1), '周三': ('Wednesday', 2), '周四': ('Thursday', 3), '周五': ('Friday', 4), '周六': ('Saturday', 5), '周日': ('Sunday', 6)} def get_previous_byday(dayname, start_...
(2)函数calendar.firstweekday( ) 返回当前每周起始日期的设置。在默认情况下,首次载入caendar模块时返回0,即表示星期一。例如在下面的实例文件中,演示了使用上述firstweekday( )函数实现起始日期的设置的过程: import calendar calendar.setfirstweekday(calendar.SUNDAY) print (calendar.firstweekday()) 1...
t=datetime.datetime.now()#当前日期d1 =t.strftime('%Y-%m-%d %H:%M:%S')#7天后d2=(t+datetime.timedelta(days=7)).strftime("%Y-%m-%d %H:%M:%S") # +变成-,就是之前多少天日期print(d1)print(d2) 获取当前星期几 importdatetime today= datetime.datetime.now().weekday() + 1print(today)...
Django model '__week_day'与python datetime的weekday() 上周出了个bug,按星期几查询数据的时候,发现查到的数据与显示的星期几并不相符,后来发现代码中按星期几查询,有的地方用的是Django QuerySet提供的'__week_day',有的地方用的是python datetime的weekday()方法!这两个方法对weekday的映射数字不同! __...
datetime 是用C 编写的,所以没有 Python 的源码。 In [28]: import datetime In [29]: datetime.__file__ Out[29]: '/usr/lib/python2.7/lib-dynload/datetime.so' In [30]: datetime? Type: module String form: <module 'datetime' from '/usr/lib/python2.7/lib-dynload/datetime.so'> File: ...
*`datetime.today()`: 返回当前日期。*`datetime.utcnow()`: 返回当前的UTC日期和时间。*`datetime.fromtimestamp(timestamp)`: 从一个时间戳创建一个日期时间对象。*`datetime.year`,`datetime.month`,`datetime.day`,`datetime.hour`,`datetime.minute`,`datetime.second`,`datetime.microsecond`: 访问日期和...
date.year(年)、date.month(月)、date.day(日) #年的范围为1-9999,特别注意 常用的成员方法: data.isoweekday():返回weekday,如果是星期一,返回1;如果是星期2,返回2,以此类推; (三)时间的枚举——datetime类(也可以用于日期的枚举但推荐使用date) ...
['is_weekday']=Falsedate_feats['is_weekend']=Trueelse:date_feats['is_weekday']=Truedate_feats['is_weekend']=False# Check date in relation to holidaysus_holidays=holidays.UnitedStates()date_feats['is_holiday']=input_strinus_holidaysdate_feats['is_day_before_holiday']=my_date+datetime....
fromdatetimeimportdate# create a date object representing March 1, 2023start_date=date(2023,3,1)# extract information such as the year, month, and dayyear=start_date.year month=start_date.month day=start_date.day# get the day of the week (Note: Monday is coded as 0, and Sunday as ...
In this code, you use date.today(), datetime.now(), and datetime.combine() to create instances of date, datetime, and time objects. Each instance is stored in a different variable: today is a date instance that has only the year, month, and day. now is a datetime instance that has...