fix: 优化BOM结构需求量计算逻辑，确保子节点以父节点需求量为基数

yuan

9 小时以前 c0bdce5b5deb0b680534f276d0bb61dbbaa83890

 src/main/java/com/ruoyi/production/service/impl/ProductionOrderServiceImpl.java

@@ -44,6 +44,7 @@

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;
import java.util.stream.Collectors;
@@ -115,7 +116,7 @@
        // 下单入口统一补齐来源单据、计划和工艺信息，避免前端分别传多套字段。
        validateAndFillOrder(productionOrder, oldOrder);
        if (productionOrder.getNpsNo() == null || productionOrder.getNpsNo().trim().isEmpty()) {
            productionOrder.setNpsNo(generateNextOrderNo());
            productionOrder.setNpsNo(generateNextOrderNo(productionOrder.getCreateTime() != null ? productionOrder.getCreateTime() : LocalDateTime.now()));
        }
        if (productionOrder.getCompleteQuantity() == null) {
            productionOrder.setCompleteQuantity(BigDecimal.ZERO);
@@ -438,7 +439,8 @@
        productionOrderBomMapper.insert(orderBom);

        Map<Long, Long> idMap = new HashMap<>();
        BigDecimal lastProcessDemandedQuantity = orderQuantity;
        // 需求量按“父节点需求量 × 本行单耗”逐层计算，兄弟节点互不影响，结果与录入顺序无关。
        Map<Long, BigDecimal> demandedQuantityBySourceId = new HashMap<>();
        for (TechnologyBomStructure source : structureList) {
            // 子节点 parentId 需要映射成新快照节点 id，才能保留原始 BOM 层级。
            ProductionBomStructure target = new ProductionBomStructure();
@@ -448,11 +450,19 @@
            target.setProductModelId(source.getProductModelId());
            target.setTechnologyOperationId(source.getOperationId());
            target.setUnitQuantity(source.getUnitQuantity());
            target.setDemandedQuantity(lastProcessDemandedQuantity.multiply(source.getUnitQuantity()));
            // 根节点以订单数量为基数，子节点以父节点需求量为基数。
            boolean rootNode = source.getParentId() == null || source.getParentId() == 0L;
            BigDecimal baseQuantity = rootNode
                    ? orderQuantity
                    : demandedQuantityBySourceId.get(source.getParentId());
            if (baseQuantity == null) {
                throw new ServiceException("BOM结构数据异常，存在找不到父节点的子节点");
            }
            target.setDemandedQuantity(baseQuantity.multiply(defaultDecimal(source.getUnitQuantity())));
            target.setUnit(source.getUnit());
            productionBomStructureMapper.insert(target);
            idMap.put(source.getId(), target.getId());
            lastProcessDemandedQuantity = target.getDemandedQuantity();
            demandedQuantityBySourceId.put(source.getId(), target.getDemandedQuantity());
        }
        return orderBom;
    }
@@ -508,9 +518,10 @@
                .orderByDesc(ProductionOrder::getId);
    }

    private String generateNextOrderNo() {
    private String generateNextOrderNo(LocalDateTime createTime) {
        // 生成下一个生产订单号
        String datePrefix = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"));
        LocalDate localDate = createTime.toLocalDate();
        String datePrefix = localDate.format(DateTimeFormatter.ofPattern("yyyyMMdd"));
        String prefix = "SC" + datePrefix;
        ProductionOrder latestOrder = this.getOne(Wrappers.<ProductionOrder>lambdaQuery()
                .likeRight(ProductionOrder::getNpsNo, prefix)
@@ -1064,8 +1075,19 @@
        }

        // 过滤出非根节点（实际领料项）
        // 排除投入品与产出品相同且比例为1的情况（自身加工，不需要领料）
        List<ProductionBomStructureVo> childStructureList = bomStructureList.stream()
                .filter(s -> s != null && s.getParentId() != null && s.getParentId() != 0)
                .filter(s -> {
                    ProductionBomStructureVo parent = structureByIdMap.get(s.getParentId());
                    if (parent == null) {
                        return true;
                    }
                    // 投入品与产出品相同且比例为1时，不需要领料
                    boolean sameProduct = Objects.equals(s.getProductModelId(), parent.getProductModelId());
                    boolean unitRatio = BigDecimal.ONE.compareTo(defaultDecimal(s.getUnitQuantity())) == 0;
                    return !(sameProduct && unitRatio);
                })
                .collect(Collectors.toList());

        // 遍历处理数据并组装结果
@@ -1093,34 +1115,29 @@
            }
        }

        Map<String, ProductionOrderPickVo> mergedPickMap = new LinkedHashMap<>();
        List<ProductionOrderPickVo> pickList = new ArrayList<>();
        for (ProductionBomStructureVo structure : childStructureList) {
            if (structure == null || structure.getProductModelId() == null) {
                continue;
            }
            Long productModelId = structure.getProductModelId();
            String mergeKey = String.valueOf(structure.getTechnologyOperationId()) + "#" + productModelId;
            ProductionOrderPickVo vo = mergedPickMap.get(mergeKey);
            if (vo == null) {
                vo = new ProductionOrderPickVo();
                vo.setProductModelId(productModelId);
                vo.setOperationName(structure.getOperationName());
                vo.setTechnologyOperationId(structure.getTechnologyOperationId());
                vo.setProductName(structure.getProductName());
                vo.setModel(structure.getModel());
                vo.setDemandedQuantity(BigDecimal.ZERO);
                vo.setUnit(structure.getUnit());
                List<String> batchNoList = stockBatchNoMap.get(productModelId) == null
                        ? Collections.emptyList()
                        : new ArrayList<>(stockBatchNoMap.get(productModelId));
                vo.setBatchNoList(batchNoList);
                vo.setStockQuantity(stockQuantityMap.getOrDefault(productModelId, BigDecimal.ZERO));
                vo.setBom(true);
                mergedPickMap.put(mergeKey, vo);
            }
            vo.setDemandedQuantity(defaultDecimal(vo.getDemandedQuantity()).add(defaultDecimal(structure.getDemandedQuantity())));
            ProductionOrderPickVo vo = new ProductionOrderPickVo();
            vo.setProductModelId(productModelId);
            vo.setOperationName(structure.getOperationName());
            vo.setTechnologyOperationId(structure.getTechnologyOperationId());
            vo.setProductName(structure.getProductName());
            vo.setModel(structure.getModel());
            vo.setDemandedQuantity(defaultDecimal(structure.getDemandedQuantity()));
            vo.setUnit(structure.getUnit());
            List<String> batchNoList = stockBatchNoMap.get(productModelId) == null
                    ? Collections.emptyList()
                    : new ArrayList<>(stockBatchNoMap.get(productModelId));
            vo.setBatchNoList(batchNoList);
            vo.setStockQuantity(stockQuantityMap.getOrDefault(productModelId, BigDecimal.ZERO));
            vo.setBom(true);
            pickList.add(vo);
        }
        return new ArrayList<>(mergedPickMap.values());
        return pickList;
    }

    @Override