本栏目推荐文章abc280F - Pay or Receive(判断是否全为零环)建立模型类的方法学习 DecimalField ,models.SmallIntegerField ,get_pay_type_display()whether people are willing to pay extra costs to eliminate ambiguitypay-interviewgoogle pay 配置sub/pub回调paypaypay-interview get_pay_type_display google pay sub pub get_pay_type_display smallintegerfield decimalfield pay-interview interview pay receive 280f abc pay