22 lines
693 B
Go
22 lines
693 B
Go
package shopping_cart
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import (
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"fusenapi/utils/step_price"
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"math"
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)
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// 计算价格
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func CaculateCartPrice(purchaseQuantity int64, stepPrice, stepNum []int, fittingPrice, eachBoxNum int64) (ItemPrice, totalPrice int64) {
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//请求的数量
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reqPurchaseQuantity := purchaseQuantity
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//购买箱数
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boxQuantity := int(math.Ceil(float64(reqPurchaseQuantity) / float64(eachBoxNum)))
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//根据数量获取阶梯价格中对应的价格
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itemPrice := step_price.GetCentStepPrice(boxQuantity, stepNum, stepPrice)
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//如果有配件，单价也要加入配件价格
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itemPrice += fittingPrice
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//单个购物车总价
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totalPrice = itemPrice * reqPurchaseQuantity
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return itemPrice, totalPrice
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}
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