- 修复CaculateSkuPrice四舍五入的bug

business/jxutils/jxutils_cms.go

@@ -211,16 +211,16 @@ func CaculateSkuPrice(unitPrice int, specQuality float32, specUnit string, skuNa
 		return unitPrice
 	}
 	specQuality2 := RegularizeSkuQuality(specQuality, specUnit)
-	price := int(math.Round(float64(unitPrice * specQuality2 / model.SpecialSpecQuality)))
+	floatPrice := float64(unitPrice) * float64(specQuality2) / float64(model.SpecialSpecQuality)
 	// if specQuality2 < 250 {
-	// 	price = price * 110 / 100
+	// 	floatPrice = floatPrice * 110 / 100
 	// } else if specQuality2 < 500 {
-	// 	price = price * 105 / 100
+	// 	floatPrice = floatPrice * 105 / 100
 	// }
-	if price <= 0 {
+	if floatPrice <= 1 {
-		price = 1
+		floatPrice = 1
 	}
-	return price
+	return int(math.Round(floatPrice))
 }
 
 //  计算SKU标准价格，CaculateSkuPrice的逆过程
@@ -268,7 +268,7 @@ func CaculateSkuPriceFromVendor(vendorPrice, percentage, catPercentage int) int
 		catPercentage = 100
 	}
 	percentage = percentage * catPercentage / 100
-	price := int(math.Round(float64(vendorPrice * 100 / percentage)))
+	price := int(math.Round(float64(vendorPrice) * 100 / float64(percentage)))
 	if price < 0 {
 		price = 0
 	}

business/jxutils/jxutils_cms_test.go

@@ -126,3 +126,41 @@ func TestCalcPolygonAreaAutonavi(t *testing.T) {
 	}
 	t.Log(strBuilder.String())
 }
+
+func TestCaculateSkuPrice(t *testing.T) {
+	type tTestInfo struct {
+		DesiredPrice int
+		UnitPrice    int
+		SpecQuality  float32
+		SpecUnit     string
+		Unit         string
+	}
+	for _, v := range []*tTestInfo{
+		&tTestInfo{
+			DesiredPrice: 458,
+			UnitPrice:    915,
+			SpecQuality:  250,
+			SpecUnit:     "g",
+			Unit:         "份",
+		},
+		&tTestInfo{
+			DesiredPrice: 123,
+			UnitPrice:    123,
+			SpecQuality:  888,
+			SpecUnit:     "g",
+			Unit:         "个",
+		},
+		&tTestInfo{
+			DesiredPrice: 1,
+			UnitPrice:    5,
+			SpecQuality:  1,
+			SpecUnit:     "g",
+			Unit:         "份",
+		},
+	} {
+		price := CaculateSkuPrice(v.UnitPrice, v.SpecQuality, v.SpecUnit, v.Unit)
+		if price != v.DesiredPrice {
+			t.Errorf("price:%d,desiredPrice:%d", price, v.DesiredPrice)
+		}
+	}
+}