完善定价与套餐关联表结构

web/models/product_discount.go

@@ -0,0 +1,19 @@
+package models
+
+import (
+	"platform/web/core"
+
+	"github.com/shopspring/decimal"
+)
+
+// ProductDiscount 产品折扣表
+type ProductDiscount struct {
+	core.Model
+	Name     string `json:"name" gorm:"column:name"`         // 产品名称
+	Discount int32  `json:"discount" gorm:"column:discount"` // 产品折扣
+}
+
+func (pd ProductDiscount) Decimal() decimal.Decimal {
+	return decimal.NewFromInt32(pd.Discount).
+		Div(decimal.NewFromInt32(100))
+}