2026-09-04 3495965b99dfcbf191eefb8294a8de05bedc160a
yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/wm/transaction/MesWmTransactionServiceImpl.java
@@ -81,6 +81,8 @@
        MesWmMaterialStockDO materialStock;
        MesWmTransactionTypeEnum transactionType = MesWmTransactionTypeEnum.valueOf(reqDTO.getType());
        boolean isInbound = transactionType != null && transactionType.isInbound();
        boolean forceCreateNewStock = Boolean.TRUE.equals(reqDTO.getForceCreateNewStock());
        if (reqDTO.getMaterialStockId() != null) {
            // 传入了 materialStockId,直接使用
            materialStock = materialStockService.getMaterialStock(reqDTO.getMaterialStockId());
@@ -95,17 +97,31 @@
                throw exception(WM_MATERIAL_STOCK_SELECTION_MISMATCH);
            }
        } else if (isInbound) {
            // 入库事务:找不到则自动创建库存记录
            materialStock = materialStockService.getOrCreateMaterialStock(
                    reqDTO.getItemId(), reqDTO.getWarehouseId(), reqDTO.getLocationId(), reqDTO.getAreaId(),
                    reqDTO.getBatchId(), reqDTO.getBatchCode(), reqDTO.getVendorId(), reqDTO.getReceiptTime());
            // 入库事务:根据 forceCreateNewStock 标志决定是创建新记录还是查找/创建
            if (forceCreateNewStock) {
                materialStock = materialStockService.createMaterialStock(
                        reqDTO.getItemId(), reqDTO.getWarehouseId(), reqDTO.getLocationId(), reqDTO.getAreaId(),
                        reqDTO.getBatchId(), reqDTO.getBatchCode(), reqDTO.getVendorId(), reqDTO.getReceiptTime());
            } else {
                materialStock = materialStockService.getOrCreateMaterialStock(
                        reqDTO.getItemId(), reqDTO.getWarehouseId(), reqDTO.getLocationId(), reqDTO.getAreaId(),
                        reqDTO.getBatchId(), reqDTO.getBatchCode(), reqDTO.getVendorId(), reqDTO.getReceiptTime());
            }
        } else {
            // 出库事务:库存记录必须已存在,不允许自动创建
            // 出库事务:库存记录必须已存在,不允许自动创建(除非 checkFlag=false 允许负库存)
            materialStock = materialStockService.getMaterialStockByCompositeKey(
                    reqDTO.getItemId(), reqDTO.getWarehouseId(), reqDTO.getLocationId(), reqDTO.getAreaId(),
                    reqDTO.getBatchId(), reqDTO.getVendorId());
            if (materialStock == null) {
                throw exception(WM_MATERIAL_STOCK_NOT_EXISTS);
                // checkFlag=false 时允许负库存,自动创建库存记录(数量将从 0 扣减为负数)
                boolean allowNegative = !ObjUtil.defaultIfNull(reqDTO.getCheckFlag(), true);
                if (allowNegative) {
                    materialStock = materialStockService.getOrCreateMaterialStock(
                            reqDTO.getItemId(), reqDTO.getWarehouseId(), reqDTO.getLocationId(), reqDTO.getAreaId(),
                            reqDTO.getBatchId(), reqDTO.getBatchCode(), reqDTO.getVendorId(), reqDTO.getReceiptTime());
                } else {
                    throw exception(WM_MATERIAL_STOCK_NOT_EXISTS);
                }
            }
        }
        if (materialStock == null || materialStock.getId() == null) {