import datetime # a = datetime.datetime.now() def day_get(d): if type(d).__name__ == "str": d = datetime.datetime.strptime(d, '%Y-%m-%d %H:%M:%S') oneday = datetime.timedelta(days=1) day = d - oneday date_from = datetime.datetime(day.year, day.month, day.day, 0, 0, 0) date_to = datetime.datetime(day.year, day.month, day.day, 23, 59, 59) print('---'.join([str(date_from), str(date_to)])) def week_get(d): if type(d).__name__ == "str": d = datetime.datetime.strptime(d, '%Y-%m-%d %H:%M:%S') dayscount = datetime.timedelta(days=d.isoweekday()) dayto = d - dayscount sixdays = datetime.timedelta(days=6) dayfrom = dayto - sixdays date_from = datetime.datetime(dayfrom.year, dayfrom.month, dayfrom.day, 0, 0, 0) date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59) datelist = [[str(date_from)], [str(date_to)]] # print('---'.join([str(date_from), str(date_to)])) return datelist def multi_week_get(d, num): if type(d).__name__ == "str": d = datetime.datetime.strptime(d, '%Y-%m-%d %H:%M:%S') date_num = [] # date_num = [date_to1] for i in range(num - 1, 0, -1): dayscount = datetime.timedelta(days=d.isoweekday()) dayto = d - dayscount sixdays = datetime.timedelta(days=6 * i) dayfrom = dayto - sixdays date_from = str(datetime.datetime(dayfrom.year, dayfrom.month, dayfrom.day, 10, 0, 0)) date_num.append(date_from) dayscount1 = datetime.timedelta(days=d.isoweekday()) onedays = datetime.timedelta(days=1) dayto1 = d - dayscount1 + onedays date_to1 = str(datetime.datetime(dayto1.year, dayto1.month, dayto1.day, 10, 0, 0)) date_num.append(date_to1) return date_num def month_get(d): if type(d).__name__ == "str": d = datetime.datetime.strptime(d, '%Y-%m-%d %H:%M:%S') dayscount = datetime.timedelta(days=d.day) dayto = d - dayscount date_from = datetime.datetime(dayto.year, dayto.month, 1, 0, 0, 0) date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59) # print('---'.join([str(date_from), str(date_to)])) datelist = [[str(date_from)], [str(date_to)]] return datelist class op_date(object): def week_get(self, param): pass if __name__ == "__main__": op_date = op_date() # print(op_date.week_get("2023-06-09 23:00:00")[0]) print(op_date.week_get("2023-06-09 23:00:00")[1]) print(multi_week_get("2023-06-09 23:00:00", 4))
时间: 2024-04-03 07:33:24 浏览: 144
python中时间转换datetime和pd.to_datetime详析
这段代码是关于日期时间的操作,包括获取前一天、上一周、上几周、上个月的起止时间。其中,day_get函数获取前一天的起止时间,week_get函数获取上一周的起止时间,multi_week_get函数获取上几周的起始时间,month_get函数获取上个月的起止时间。op_date类是一个日期时间操作的类,其中week_get是一个占位函数,可以在后续的开发中被具体实现。在代码的最后,通过实例化op_date对象并调用其中的函数来进行测试。
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