fix

server/shopping-cart/internal/handler/routes.go

@@ -32,6 +32,11 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 				Path:    "/api/shopping-cart/get_carts",
 				Handler: GetCartsHandler(serverCtx),
 			},
+			{
+				Method:  http.MethodPost,
+				Path:    "/api/shopping-cart/calculate_cart_price",
+				Handler: CalculateCartPriceHandler(serverCtx),
+			},
 		},
 	)
 }

server/shopping-cart/internal/types/types.go

@@ -80,6 +80,25 @@ type DiyInformation struct {
 	Slogan  string `json:"slogan"`
 }
 
+type CalculateCartPriceReq struct {
+	CalculateList []CalculateItem `json:"calculate_list"`
+}
+
+type CalculateItem struct {
+	CartId           int64 `json:"cart_id"`           //购物车id
+	PurchaseQuantity int64 `json:"purchase_quantity"` //数量
+}
+
+type CalculateCartPriceRsp struct {
+	CalculateResultList []CalculateResultItem `json:"calculate_result_list"`
+}
+
+type CalculateResultItem struct {
+	CartId     int64  `json:"cart_id"`     //购物车id
+	ItemPrice  string `json:"item_price"`  //单价
+	TotalPrice string `json:"total_price"` //总价
+}
+
 type Request struct {
 }