"""
数据定义的类
"""


class Record:

 def __init__(self, date, order_id, money, province):
 self.date = date # 订单日期
 self.order_id = order_id # 订单ID
 self.money = money # 订单金额
 self.province = province # 销售省份


 def __str__(self):
 return f"{self.date}, {self.order_id}, {self.money}, {self.province}"


 def to_json(self):
 d = {"date": self.date, "order_id": self.order_id, "money": self.money, "province": self.province}
 import json
 return json.dumps(d)