话不多说,有图有源码:

源码:

                if content[searchopdate]=='今天':
                    strbdate = date.today().strftime('%Y-%m-%d')
                    stredate = date.today().strftime('%Y-%m-%d')
                elif content[searchopdate]=='本周':
                    def get_current_week_dates():
                        today = datetime.today()
                        first_day_of_week = today - relativedelta(days=today.weekday())
                        last_day_of_week = first_day_of_week + relativedelta(days=6)
                        return first_day_of_week.date().strftime('%Y-%m-%d'), last_day_of_week.date().strftime('%Y-%m-%d')
                    strbdate, stredate = get_current_week_dates()
                elif content[searchopdate] == '本月':
                    this_month = date.today()
                    next_month = date.today() + relativedelta(months=1)
                    strbdate = (date(this_month.year, this_month.month, 1)).strftime('%Y-%m-%d')
                    stredate = (date(next_month.year, next_month.month, 1) - relativedelta(days=1)).strftime('%Y-%m-%d')
                elif content[searchopdate] == '本季':
                    def get_quarter_range(date):
                        # 获取当前季度的第一天
                        first_day_of_quarter = date.replace(month=1 + ((date.month - 1) // 3) * 3, day=1)
                        # 获取当前季度的最后一天
                        last_day_of_quarter = first_day_of_quarter + pd.offsets.QuarterEnd(0)
                        return first_day_of_quarter.date().strftime('%Y-%m-%d'), last_day_of_quarter.date().strftime(
                            '%Y-%m-%d')
                    today = pd.to_datetime('today')
                    strbdate, stredate = get_quarter_range(today)
                elif content[searchopdate] == '今年':
                    today = date.today()
                    strbdate = (date(today.year, 1, 1)).strftime('%Y-%m-%d')
                    stredate = (date(today.year, 12, 31)).strftime('%Y-%m-%d')
                elif content[searchopdate] == '明天':
                    today = datetime.now()
                    newday = today + timedelta(days=1)
                    strbdate = newday.strftime('%Y-%m-%d')
                    stredate = newday.strftime('%Y-%m-%d')
                elif content[searchopdate]=='下周':
                    def get_next_week_dates():
                        now = datetime.now()
                        last_week_same_day = now + relativedelta(weeks=1)
                        last_week_start = last_week_same_day - timedelta(days=last_week_same_day.weekday())
                        last_week_end = last_week_start + timedelta(days=6)
                        return last_week_start, last_week_end
                    next_week_start, next_week_end = get_next_week_dates()
                    strbdate = next_week_start.strftime('%Y-%m-%d')
                    stredate = next_week_end.strftime('%Y-%m-%d')
                elif content[searchopdate] == '下月':
                    next_month = date.today() + relativedelta(months=1)
                    next_last_month = date.today() + relativedelta(months=2)
                    strbdate = (date(next_month.year, next_month.month, 1)).strftime('%Y-%m-%d')
                    stredate = (date(next_last_month.year, next_last_month.month, 1) - relativedelta(days=1)).strftime(
                        '%Y-%m-%d')
                elif content[searchopdate] == '下季':
                    def get_next_quarter_range(date):
                        # 得到下季度的第一天
                        first_day_of_previous_quarter = datetime(date.year, (date.month - 1) * 3 + 1,
                  1) - relativedelta(months=3)
                        # 得到下季度的最后一天
                        last_day_of_previous_quarter = first_day_of_previous_quarter + relativedelta(months=3, days=-1)
                        return first_day_of_previous_quarter.date().strftime(
                            '%Y-%m-%d'), last_day_of_previous_quarter.date().strftime('%Y-%m-%d')
                    current_date = datetime.now().date()
                    strbdate, stredate = get_next_quarter_range(current_date)
                elif content[searchopdate] == '明年':
                    today = date.today() + relativedelta(years=1)
                    strbdate = (date(today.year, 1, 1)).strftime('%Y-%m-%d')
                    stredate = (date(today.year, 12, 31)).strftime('%Y-%m-%d')
                elif content[searchopdate] == '昨天':
                    today = datetime.now()
                    newday = today - timedelta(days=1)
                    strbdate = newday.strftime('%Y-%m-%d')
                    stredate = newday.strftime('%Y-%m-%d')
                elif content[searchopdate]=='上周':
                    def get_last_week_dates():
                        now = datetime.now()
                        last_week_same_day = now - relativedelta(weeks=1)
                        last_week_start = last_week_same_day - timedelta(days=last_week_same_day.weekday())
                        last_week_end = last_week_start + timedelta(days=6)
                        return last_week_start, last_week_end
                    last_week_start, last_week_end = get_last_week_dates()
                    strbdate = last_week_start.strftime('%Y-%m-%d')
                    stredate = last_week_end.strftime('%Y-%m-%d')
                elif content[searchopdate] == '上月':
                    this_month = date.today()
                    last_month = date.today() - relativedelta(months=1)
                    strbdate = (date(last_month.year, last_month.month, 1)).strftime('%Y-%m-%d')
                    stredate = (date(this_month.year, this_month.month, 1) - relativedelta(days=1)).strftime('%Y-%m-%d')
                elif content[searchopdate] == '上季':
                    def get_previous_quarter_dates(date):
                        # 计算指定日期所在季度的第一天
                        first_day_of_quarter = datetime(date.year, (date.month - 1) // 3 * 3 + 1, 1)
                        # 计算上一季度的第一天
                        first_day_of_previous_quarter = first_day_of_quarter - relativedelta(months=3)
                        # 上一季度的起始日期
                        start_date = first_day_of_previous_quarter.strftime('%Y-%m-%d')
                        # 上一季度的结束日期
                        end_date = (first_day_of_quarter - timedelta(days=1)).strftime('%Y-%m-%d')
                        return start_date, end_date
                    today = datetime.today()
                    strbdate,stredate = get_previous_quarter_dates(today)
                elif content[searchopdate] == '去年':
                    today = date.today() - relativedelta(years=1)
                    strbdate = (date(today.year, 1, 1)).strftime('%Y-%m-%d')
                    stredate = (date(today.year, 12, 31)).strftime('%Y-%m-%d')

呕心之作,干货满满,相信对你绝对有价值

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