src/main/java/com/ruoyi/production/service/impl/ProductionOrderServiceImpl.java
@@ -245,6 +245,7 @@
                        .eq(TechnologyRoutingOperation::getTechnologyRoutingId, technologyRouting.getId())
                        .orderByDesc(TechnologyRoutingOperation::getDragSort)
                        .orderByDesc(TechnologyRoutingOperation::getId));
        Map<String, BigDecimal> operationDemandedQuantityMap = buildOperationDemandedQuantityMap(technologyRouting, productionOrder);
        Map<Long, String> operationNameMap = technologyOperationMapper.selectBatchIds(
        // 遍历处理数据并组装结果
                        routingOperations.stream()
@@ -278,7 +279,7 @@
                ProductionOperationTask task = new ProductionOperationTask();
                task.setProductionOrderRoutingOperationId(targetOperation.getId());
                task.setProductionOrderId(productionOrder.getId());
                task.setPlanQuantity(defaultDecimal(productionOrder.getQuantity()));
                task.setPlanQuantity(resolveTaskPlanQuantity(sourceOperation, operationDemandedQuantityMap, productionOrder));
                task.setCompleteQuantity(BigDecimal.ZERO);
                task.setWorkOrderNo(generateNextTaskNo());
                task.setStatus(2);
@@ -313,6 +314,72 @@
        return syncedParamCount;
    }
    private Map<String, BigDecimal> buildOperationDemandedQuantityMap(TechnologyRouting technologyRouting,
                                                                      ProductionOrder productionOrder) {
        if (technologyRouting == null || technologyRouting.getBomId() == null) {
            return Collections.emptyMap();
        }
        BigDecimal orderQuantity = defaultDecimal(productionOrder == null ? null : productionOrder.getQuantity());
        List<TechnologyBomStructure> bomStructures = technologyBomStructureMapper.selectList(
                Wrappers.<TechnologyBomStructure>lambdaQuery()
                        .eq(TechnologyBomStructure::getBomId, technologyRouting.getBomId())
                        .isNotNull(TechnologyBomStructure::getOperationId)
                        .orderByAsc(TechnologyBomStructure::getId));
        if (bomStructures.isEmpty()) {
            return Collections.emptyMap();
        }
        Map<Long, TechnologyBomStructure> structureById = bomStructures.stream()
                .filter(item -> item != null && item.getId() != null)
                .collect(Collectors.toMap(TechnologyBomStructure::getId, item -> item, (left, right) -> left));
        Map<String, BigDecimal> demandedQuantityMap = new HashMap<>();
        for (TechnologyBomStructure bomStructure : bomStructures) {
            if (bomStructure == null || bomStructure.getOperationId() == null) {
                continue;
            }
            BigDecimal unitQuantity = bomStructure.getUnitQuantity();
            if (unitQuantity == null) {
                continue;
            }
            Long outputProductModelId = resolveOutputProductModelId(bomStructure, structureById, technologyRouting.getProductModelId());
            String key = buildOperationDemandedQuantityKey(bomStructure.getOperationId(), outputProductModelId);
            demandedQuantityMap.merge(key, unitQuantity.multiply(orderQuantity), BigDecimal::add);
        }
        return demandedQuantityMap;
    }
    private BigDecimal resolveTaskPlanQuantity(TechnologyRoutingOperation sourceOperation,
                                               Map<String, BigDecimal> operationDemandedQuantityMap,
                                               ProductionOrder productionOrder) {
        if (sourceOperation == null || operationDemandedQuantityMap == null || operationDemandedQuantityMap.isEmpty()) {
            return defaultDecimal(productionOrder == null ? null : productionOrder.getQuantity());
        }
        String key = buildOperationDemandedQuantityKey(sourceOperation.getTechnologyOperationId(), sourceOperation.getProductModelId());
        BigDecimal planQuantity = operationDemandedQuantityMap.get(key);
        return planQuantity != null ? planQuantity : defaultDecimal(productionOrder == null ? null : productionOrder.getQuantity());
    }
    private String buildOperationDemandedQuantityKey(Long operationId, Long outputProductModelId) {
        return String.valueOf(operationId) + "#" + String.valueOf(outputProductModelId);
    }
    private Long resolveOutputProductModelId(TechnologyBomStructure bomStructure,
                                             Map<Long, TechnologyBomStructure> structureById,
                                             Long routingProductModelId) {
        if (bomStructure == null) {
            return routingProductModelId;
        }
        Long parentId = bomStructure.getParentId();
        if (parentId == null) {
            return routingProductModelId != null ? routingProductModelId : bomStructure.getProductModelId();
        }
        TechnologyBomStructure parent = structureById.get(parentId);
        if (parent != null && parent.getProductModelId() != null) {
            return parent.getProductModelId();
        }
        return routingProductModelId != null ? routingProductModelId : bomStructure.getProductModelId();
    }
    private ProductionOrderBom syncProductionOrderBomSnapshot(ProductionOrder productionOrder, TechnologyRouting technologyRouting) {
        // 同步订单BOM快照结构
        if (technologyRouting.getBomId() == null) {