defmkurl(self):defcreate_assist_date(datestart=None,dateend=None):如果datestart为None:datestart='2016-01-01'如果dateend为None:dateend=datetime.datetime.now().strftime('%Y-%m-%d')#转换为日期格式datestart=datetime.datetime.strptime(datestart,'%Y-%m-%d')dateend=datetime.datetime.strptime(dateend,'%Y-%m-%d')date_list=[]date_list.append(datestart.strftime('%Y-%m-%d'))whiledatestart
