fix: 优惠券选择接口接收积分参数

src/main/java/com/chaozhanggui/system/cashierservice/entity/dto/UseCouponDTO.java

@@ -16,7 +16,9 @@ public class UseCouponDTO {
     private Integer orderId;
     private Integer userId;
     @Valid
-    @NotEmpty(message = "请选择优惠券信息")
+//    @NotEmpty(message = "请选择优惠券信息")
     private List<UserCouponInfoDTO> userCouponInfos = new ArrayList<>();
+    // 使用的积分抵扣数量
+    private Integer pointsNum;
 
 }

src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java

@@ -1603,6 +1603,7 @@ public class CartService {
         orderDTO.setUserId(Integer.valueOf(orderInfo.getUserId()));
         orderDTO.setUserCouponInfos(useCouponDTO.getUserCouponInfos());
         orderDTO.setOnlyChangeCoupon(true);
+        orderDTO.setPointsNum(useCouponDTO.getPointsNum());
         return createOrder(orderDTO);
     }
 }