| Name | Description | Type | Additional information | 
|---|---|---|---|
| id | 序号 | integer | None. | 
| productid | 商品ID | integer | None. | 
| productname | 商品名称 | string | None. | 
| amount | 数量 | decimal number | None. | 
| retailprice | 零售价格 | decimal number | None. | 
| discountrate | 折扣分子 | decimal number | None. | 
| discountbase | 折扣分母 | decimal number | None. | 
| fee | 手续费 | decimal number | None. | 
| subtotal | 小计 | decimal number | None. | 
| unit | 单位 | string | None. | 
| remark | 备注 | string | None. |