退款校验退款金额

eladmin-system/src/main/java/cn/ysk/cashier/service/impl/shopimpl/TbShopTableServiceImpl.java

@@ -2045,6 +2045,10 @@ public class TbShopTableServiceImpl implements TbShopTableService {
             orderDetail.setStatus("refunding");
         }
 
+        if (returnAmount.compareTo(BigDecimal.ZERO) <= 0) {
+            throw new BadRequestException("退款金额必须大于0");
+        }
+
         // 保存剩余未退款的订单详情
         if (!remainOrderDetailList.isEmpty()) {
             mpOrderDetailService.saveBatch(remainOrderDetailList);