python获取指定日期范围内的每一天，每个月，每季度的方法
1.获取所有天，返回一个列表:
def getBetweenDay(begin_date):
date_list = []
begin_date = datetime.datetime.strptime(begin_date, "%Y-%m-%d")
end_date = datetime.datetime.strptime(time.strftime('%Y-%m-%d',time.localtime(time.time())), "%Y-%m-%d")
while begin_date <= end_date:
date_str = begin_date.strftime("%Y-%m-%d")
date_list.append(date_str)
begin_date += datetime.timedelta(days=1)
return date_list
2.获取所有月，返回一个列表:
def getBetweenMonth(begin_date):
date_list = []
begin_date = datetime.datetime.strptime(begin_date, "%Y-%m-%d")
end_date = datetime.datetime.strptime(time.strftime('%Y-%m-%d', time.localtime(time.time())), "%Y-%m-%d")
while begin_date <= end_date:
date_str = begin_date.strftime("%Y%m")
date_list.append(date_str)
begin_date = add_months(begin_date,1)
return date_list
def add_months(dt,months):
month = dt.month - 1 + months
year = dt.year + month / 12
month = month % 12 + 1
day = min(dt.day, calendar.monthrange(year, month)[1])
return dt.replace(year=year, month=month, day=day)
3.获取所有季度，返回一个列表:
def getBetweenMonth(begin_date):
date_list = []
begin_date = datetime.datetime.strptime(begin_date, "%Y-%m-%d")
end_date = datetime.datetime.strptime(time.strftime('%Y-%m-%d', time.localtime(time.time())), "%Y-%m-%d")
while begin_date <= end_date:
date_str = begin_date.strftime("%Y-%m")
date_list.append(date_str)
begin_date = add_months(begin_date,1)
return date_list
def add_months(dt,months):
month = dt.month - 1 + months
year = dt.year + month / 12
month = month % 12 + 1
day = min(dt.day, calendar.monthrange(year, month)[1])
return dt.replace(year=year, month=month, day=day)
def getBetweenQuarter(begin_date):
quarter_list = []
month_list = getBetweenMonth(begin_date)
for value in month_list:
tempvalue = value.split("-")
if tempvalue[1] in ['01','02','03']:
quarter_list.append(tempvalue[0] + "Q1")
elif tempvalue[1] in ['04','05','06']:
quarter_list.append(tempvalue[0] + "Q2")
elif tempvalue[1] in ['07', '08', '09']:
quarter_list.append(tempvalue[0] + "Q3")
elif tempvalue[1] in ['10', '11', '12']:
quarter_list.append(tempvalue[0] + "Q4")
quarter_set = set(quarter_list)
quarter_list = list(quarter_set)
quarter_list.sort()
return quarter_list
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