1、零售订单新建和列表接口增加对浮点型数据的四舍五入；

app/admin/apis/erpordermanage/erp_order.go

@@ -35,6 +35,8 @@ func ErpOrderCreate(c *gin.Context) {
 		return
 	}
 
+	tools.RoundFloatFields(req)
+
 	// 如果用户是会员，手机号不能为空
 	if req.MemberType == model.ErpOrderMemberTypeMember && req.Tel == "" {
 		app.Error(c, http.StatusBadRequest, errors.New("参数错误：缺少会员手机号"), "参数错误：缺少会员手机号")

app/admin/models/erp_order.go

@@ -1416,9 +1416,25 @@ func mergeOrderCommodities(orderCommodities []ErpOrderCommodity) []ErpOrderCommo
 	// 将map转换回orderCommodities列表
 	var mergedCommodities []ErpOrderCommodity
 	for _, commodity := range commodityMap {
+		// 对float64类型的字段进行四舍五入处理
+		commodity.SalesProfit = tools.RoundFloat(commodity.SalesProfit)
+		commodity.StaffProfit = tools.RoundFloat(commodity.StaffProfit)
+		commodity.SaleDiscount = tools.RoundFloat(commodity.SaleDiscount)
+		commodity.MemberDiscount = tools.RoundFloat(commodity.MemberDiscount)
+		commodity.ReceivedAmount = tools.RoundFloat(commodity.ReceivedAmount)
+		commodity.RejectedPrice = tools.RoundFloat(commodity.RejectedPrice)
+		commodity.RejectedAmount = tools.RoundFloat(commodity.RejectedAmount)
+		commodity.StaffCostPrice = tools.RoundFloat(commodity.StaffCostPrice)
+		commodity.WholesalePrice = tools.RoundFloat(commodity.WholesalePrice)
+
 		mergedCommodities = append(mergedCommodities, *commodity)
 	}
 
+	// 对mergedCommodities按ErpCommodityId进行排序
+	sort.Slice(mergedCommodities, func(i, j int) bool {
+		return mergedCommodities[i].ID < mergedCommodities[j].ID
+	})
+
 	return mergedCommodities
 }
 
@@ -4970,6 +4986,8 @@ func CreateErpOrder(req *ErpOrderCreateReq, c *gin.Context) error {
 	if err != nil {
 		return err
 	}
+	// 四舍五入
+	tools.RoundFloatFields(req)
 
 	begin := orm.Eloquent.Begin()
 	if req.Tel != "" {
@@ -5470,6 +5488,7 @@ func checkOrderData(req *ErpOrderCreateReq, c *gin.Context) (*ErpOrder, error) {
 	}
 
 	req.ErpOrderCommodities = respErpOrderCommodities
+	tools.RoundFloatFields(erpOrder)
 
 	// 判断线上支付金额是否>0
 	if req.RetailType == RetailTypeSale {
@@ -5515,7 +5534,7 @@ func checkOrderData(req *ErpOrderCreateReq, c *gin.Context) (*ErpOrder, error) {
 
 	// 订单总优惠
 	if req.RetailType == RetailTypeSale {
-		erpOrder.TotalDiscount = erpOrder.TotalRetailPrice - erpOrder.TotalAmount
+		erpOrder.TotalDiscount = math.Round((erpOrder.TotalRetailPrice-erpOrder.TotalAmount)*100) / 100
 	}
 
 	return erpOrder, nil

tools/utils.go

@@ -6,6 +6,7 @@ import (
 	"gorm.io/gorm"
 	"log"
 	"math"
+	"reflect"
 	"runtime"
 	"strconv"
 	"time"
@@ -134,3 +135,32 @@ func StringSliceContains(slice []string, val string) bool {
 	}
 	return false
 }
+
+// RoundFloat 保留 float64 两位小数
+func RoundFloat(f float64) float64 {
+	return math.Round(f*100) / 100
+}
+
+// RoundFloatFields 递归处理结构体中的 float64 字段，四舍五入保留两位小数
+func RoundFloatFields(v interface{}) {
+	val := reflect.ValueOf(v).Elem()
+
+	for i := 0; i < val.NumField(); i++ {
+		field := val.Field(i)
+		switch field.Kind() {
+		case reflect.Float64:
+			// 对 float64 类型进行四舍五入
+			field.SetFloat(RoundFloat(field.Float()))
+		case reflect.Struct:
+			// 递归处理子结构体
+			RoundFloatFields(field.Addr().Interface())
+		case reflect.Slice:
+			// 对于 slice 中的结构体，逐个处理
+			for j := 0; j < field.Len(); j++ {
+				if field.Index(j).Kind() == reflect.Struct {
+					RoundFloatFields(field.Index(j).Addr().Interface())
+				}
+			}
+		}
+	}
+}