feat(system): 优化用户搜索功能并完善ERP和MES模块验证逻辑

云

2026-10-25 d54fbc9d4f8981fa0f7f613b33a28a8cd4f764ea

 yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/purchase/ErpPurchaseRequestServiceImpl.java

@@ -1,36 +1,43 @@
package cn.iocoder.yudao.module.erp.service.purchase;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.exception.ServiceException;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.number.MoneyUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmCategoryDO;
import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
import cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum;
import cn.iocoder.yudao.module.bpm.service.definition.BpmCategoryService;
import cn.iocoder.yudao.module.bpm.service.definition.BpmProcessDefinitionService;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportExcelVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportRespVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestPageReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestSaveReqVO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderItemDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestItemDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpSupplierDO;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderItemMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestItemMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpSupplierMapper;
import cn.iocoder.yudao.module.erp.dal.redis.no.ErpNoRedisDAO;
import cn.iocoder.yudao.module.erp.enums.ErpAuditStatus;
import cn.iocoder.yudao.module.erp.enums.ErpPurchaseOrderStatusEnum;
import cn.iocoder.yudao.module.erp.enums.ErpPurchaseRequestStatusEnum;
import cn.iocoder.yudao.module.mdm.api.item.MdmItemApi;
import cn.iocoder.yudao.module.mdm.api.item.dto.MdmItemRespDTO;
import cn.iocoder.yudao.module.mdm.api.unit.MdmUnitMeasureApi;
import cn.iocoder.yudao.module.mdm.api.unit.dto.MdmUnitMeasureRespDTO;
import cn.iocoder.yudao.module.system.api.approval.ApprovalConfigApi;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.flowable.engine.repository.ProcessDefinition;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
@@ -40,6 +47,7 @@

import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
import static cn.iocoder.yudao.module.erp.enums.ErrorCodeConstants.*;

/**
@@ -51,9 +59,14 @@
public class ErpPurchaseRequestServiceImpl implements ErpPurchaseRequestService {

    /**
     * BPM 采购申请审批分类编码
     * 通用审批配置的业务类型编码（对应 system_approval_config.biz_type）
     */
    private static final String PURCHASE_REQUEST_APPROVE_CATEGORY_CODE = "purchase_request_approve";
    private static final String PURCHASE_REQUEST_APPROVE_BIZ_TYPE = "purchase_request_approve";

    /**
     * 采购申请审批的 BPM 流程定义 Key
     */
    private static final String PURCHASE_REQUEST_PROCESS_KEY = "purchase_request_approve";

    @Resource
    private ErpPurchaseRequestMapper purchaseRequestMapper;
@@ -72,11 +85,18 @@
    private ErpSupplierService supplierService;

    @Resource
    private BpmProcessInstanceApi processInstanceApi;
    private ErpSupplierMapper supplierMapper;

    @Resource
    private BpmCategoryService bpmCategoryService;
    private MdmItemApi mdmItemApi;
    @Resource
    private BpmProcessDefinitionService bpmProcessDefinitionService;
    private MdmUnitMeasureApi mdmUnitMeasureApi;

    @Resource
    private ApprovalConfigApi approvalConfigApi;

    @Resource
    private BpmProcessInstanceApi bpmProcessInstanceApi;

    @Resource
    private AdminUserApi adminUserApi;
@@ -111,6 +131,10 @@
                .setStatus(ErpPurchaseRequestStatusEnum.DRAFT.getStatus())
                .setRequestUserId(userId)
                .setRequestDeptId(deptId));
        // 兼容旧客户端未传定金的情况，数据库与业务层统一按 0 处理
        if (purchaseRequest.getDepositPrice() == null) {
            purchaseRequest.setDepositPrice(BigDecimal.ZERO);
        }
        calculateTotalPrice(purchaseRequest, requestItems);
        purchaseRequestMapper.insert(purchaseRequest);

@@ -129,7 +153,7 @@
    @Transactional(rollbackFor = Exception.class)
    public void updatePurchaseRequest(ErpPurchaseRequestSaveReqVO updateReqVO) {
        // 1. 校验存在 + 草稿状态
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExistsAndDraft(updateReqVO.getId());
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestCanModify(updateReqVO.getId());
        // 2. 校验供应商（如果指定）
        if (updateReqVO.getSupplierId() != null) {
            supplierService.validateSupplier(updateReqVO.getSupplierId());
@@ -139,6 +163,9 @@

        // 4. 更新申请单
        ErpPurchaseRequestDO updateObj = BeanUtils.toBean(updateReqVO, ErpPurchaseRequestDO.class);
        if (updateObj.getDepositPrice() == null) {
            updateObj.setDepositPrice(BigDecimal.ZERO);
        }
        calculateTotalPrice(updateObj, requestItems);
        purchaseRequestMapper.updateById(updateObj);

@@ -146,11 +173,7 @@
        updatePurchaseRequestItemList(updateReqVO.getId(), requestItems);

        // 6. 更新附件
        if (updateReqVO.getBlobIds() != null) {
            storageAttachmentApi.deleteAttachmentsByRecord("erp_purchase_request", updateReqVO.getId());
            storageAttachmentApi.bindAttachments("file", "erp_purchase_request",
                    updateReqVO.getId(), updateReqVO.getBlobIds());
        }
        storageAttachmentApi.updateAttachments("file", "erp_purchase_request", updateReqVO.getId(), updateReqVO.getBlobIds());
    }

    private void calculateTotalPrice(ErpPurchaseRequestDO purchaseRequest, List<ErpPurchaseRequestItemDO> requestItems) {
@@ -202,8 +225,9 @@
            return;
        }
        purchaseRequests.forEach(purchaseRequest -> {
            // 只有草稿状态才能删除
            if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())) {
            Integer status = purchaseRequest.getStatus();
            if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(status)
                    && !ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(status)) {
                throw exception(PURCHASE_REQUEST_DELETE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
            }
        });
@@ -248,95 +272,135 @@

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void submitPurchaseRequest(Long id, String processDefinitionKey, Long userId) {
        // 1. 校验存在 + 草稿状态
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExistsAndDraft(id);

    public void submitPurchaseRequest(Long id) {
        // 1. 校验存在 + 可提交状态（未提交 / 审核不通过）
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())
                && !ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(purchaseRequest.getStatus())) {
            throw exception(PURCHASE_REQUEST_SUBMIT_FAIL_NOT_ALLOWED);
        }
        // 2. 校验是否有明细
        List<ErpPurchaseRequestItemDO> items = purchaseRequestItemMapper.selectListByRequestId(id);
        if (CollUtil.isEmpty(items)) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS); // TODO: 添加明细为空的错误码
            throw exception(PURCHASE_REQUEST_ITEM_EMPTY);
        }

        // 3. 创建 BPM 流程实例
        String processInstanceId = processInstanceApi.createProcessInstance(userId,
        // 3. 校验审批配置已启用且配置了有效审批人
        approvalConfigApi.validateApprovalEnabledAndGetApprovers(PURCHASE_REQUEST_APPROVE_BIZ_TYPE);
        // 4. 状态置为审批中，并清空上一轮审核结果
        if (purchaseRequestMapper.submitAndResetAuditInfo(id, ErpPurchaseRequestStatusEnum.PROCESS.getStatus()) != 1) {
            throw exception(PURCHASE_REQUEST_SUBMIT_FAIL_NOT_ALLOWED);
        }
        // 5. 创建 BPM 流程实例，使审批出现在「协同办公 - 我的流程」
        bpmProcessInstanceApi.createProcessInstance(getLoginUserId(),
                new BpmProcessInstanceCreateReqDTO()
                        .setProcessDefinitionKey(processDefinitionKey)
                        .setProcessDefinitionKey(PURCHASE_REQUEST_PROCESS_KEY)
                        .setBusinessKey(String.valueOf(id)));

        // 4. 更新采购申请状态为审批中
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setStatus(ErpPurchaseRequestStatusEnum.PROCESS.getStatus())
                .setProcessInstanceId(processInstanceId));
    }

    @Override
    public List<Map<String, Object>> getPurchaseRequestApproveProcessDefinitionList() {
        // 1. 校验分类和流程定义是否存在
        validatePurchaseRequestApproveCategoryAndProcessDefinition();

        // 2. 获取分类下的流程定义信息
        List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
                .getProcessDefinitionInfoListByCategory(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
        if (CollUtil.isEmpty(definitionInfoList)) {
            return Collections.emptyList();
        }

        // 3. 遍历获取流程定义详情，过滤激活状态，保留最新版本
        Map<String, ProcessDefinition> latestVersionMap = new HashMap<>();
        for (BpmProcessDefinitionInfoDO info : definitionInfoList) {
            ProcessDefinition pd = bpmProcessDefinitionService.getProcessDefinition(info.getProcessDefinitionId());
            if (pd == null || pd.isSuspended()) {
                continue;
            }
            ProcessDefinition existing = latestVersionMap.get(pd.getKey());
            if (existing == null || pd.getVersion() > existing.getVersion()) {
                latestVersionMap.put(pd.getKey(), pd);
            }
        }

        // 4. 返回流程定义列表
        List<Map<String, Object>> result = new ArrayList<>();
        for (ProcessDefinition pd : latestVersionMap.values()) {
            Map<String, Object> item = new HashMap<>();
            item.put("id", pd.getId());
            item.put("key", pd.getKey());
            item.put("name", pd.getName());
            result.add(item);
        }
        return result;
    public Set<Long> getPurchaseRequestApproverUserIds() {
        return approvalConfigApi.getApproverUserIds(PURCHASE_REQUEST_APPROVE_BIZ_TYPE);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updatePurchaseRequestAuditStatus(Long id, Integer bpmResult) {
    public void auditPurchaseRequest(Long id, Boolean pass, String reviewRemark) {
        // 1. 校验存在
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        // 2. 校验处于审批中状态
        if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(purchaseRequest.getStatus())) {
            log.warn("[updatePurchaseRequestAuditStatus] 采购申请({}) 不处于审批中状态", id);
            throw exception(PURCHASE_REQUEST_AUDIT_FAIL_NOT_PROCESS);
        }
        // 3. 校验当前登录用户是该业务类型的审批人（或签：任一人均可审核）
        Long userId = getLoginUserId();
        approvalConfigApi.validateApprover(PURCHASE_REQUEST_APPROVE_BIZ_TYPE, userId);
        // 4. 审核不通过：必须填写原因，退回申请人修改后可重新提交
        if (!Boolean.TRUE.equals(pass)) {
            if (StrUtil.isBlank(reviewRemark)) {
                throw exception(PURCHASE_REQUEST_AUDIT_REJECT_REASON_REQUIRED);
            }
            if (purchaseRequestMapper.auditPurchaseRequest(id, ErpPurchaseRequestStatusEnum.REJECT.getStatus(),
                    userId, getUserNickname(userId), reviewRemark) != 1) {
                throw exception(PURCHASE_REQUEST_AUDIT_FAIL_NOT_PROCESS);
            }
            return;
        }

        // 2. 根据审批结果更新状态
        Integer newStatus = convertBpmResultToStatus(bpmResult);
        if (newStatus != null) {
            purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                    .setId(id).setStatus(newStatus));
        // 5. 审核通过：记录审核人与审核意见
        if (purchaseRequestMapper.auditPurchaseRequest(id, ErpPurchaseRequestStatusEnum.APPROVE.getStatus(),
                userId, getUserNickname(userId), reviewRemark) != 1) {
            throw exception(PURCHASE_REQUEST_AUDIT_FAIL_NOT_PROCESS);
        }

        // 3. 审批通过且有供应商，自动生成采购订单
        if (ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(newStatus)
                && purchaseRequest.getSupplierId() != null
                && purchaseRequest.getOrderId() == null) {
        // 6. 审核通过且有供应商、未生成订单时，自动生成采购订单
        if (purchaseRequest.getSupplierId() != null && purchaseRequest.getOrderId() == null) {
            try {
                Long orderId = doGeneratePurchaseOrder(purchaseRequest);
                log.info("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单({})", id, orderId);
                log.info("[auditPurchaseRequest] 采购申请({}) 自动生成采购订单({})", id, orderId);
            } catch (Exception e) {
                log.error("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单失败", id, e);
                // 不抛出异常，避免影响状态更新
                // 不抛出异常，避免影响审核结果落库；生成失败可由用户手动触发
                log.error("[auditPurchaseRequest] 采购申请({}) 自动生成采购订单失败", id, e);
            }
        }
    }

    /**
     * 获取用户昵称
     *
     * @param userId 用户编号
     * @return 昵称，用户不存在时返回 null
     */
    private String getUserNickname(Long userId) {
        if (userId == null) {
            return null;
        }
        AdminUserRespDTO user = adminUserApi.getUser(userId);
        return user == null ? null : user.getNickname();
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updatePurchaseRequestAuditStatus(Long id, Integer bpmStatus, String reason) {
        // 1. BPM 审批结果映射为采购申请状态：通过=20 / 不通过=30 / 取消=40
        Integer newStatus = convertBpmResultToStatus(bpmStatus);
        if (newStatus == null) {
            return;
        }
        // 2. 仅当仍处于「审批中」时回写，避免重复覆盖
        if (purchaseRequestMapper.updateAuditStatusByBpm(id, newStatus, reason) != 1) {
            log.warn("[updatePurchaseRequestAuditStatus] 采购申请({}) 不处于审批中状态，忽略 BPM 结果({})", id, bpmStatus);
            return;
        }
        // 3. 审批通过且有供应商、未生成订单时，自动生成采购订单
        if (!ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(newStatus)) {
            return;
        }
        ErpPurchaseRequestDO purchaseRequest = purchaseRequestMapper.selectById(id);
        if (purchaseRequest == null || purchaseRequest.getSupplierId() == null
                || purchaseRequest.getOrderId() != null) {
            return;
        }
        try {
            Long orderId = doGeneratePurchaseOrder(purchaseRequest);
            log.info("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单({})", id, orderId);
        } catch (Exception e) {
            // 不抛出异常，避免影响审批结果落库；生成失败可由用户手动触发
            log.error("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单失败", id, e);
        }
    }

    /**
     * 转换 BPM 审批结果为采购申请状态
     */
    private Integer convertBpmResultToStatus(Integer bpmStatus) {
        if (BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmStatus)) {
            return ErpPurchaseRequestStatusEnum.APPROVE.getStatus();
        }
        if (BpmTaskStatusEnum.REJECT.getStatus().equals(bpmStatus)) {
            return ErpPurchaseRequestStatusEnum.REJECT.getStatus();
        }
        if (BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmStatus)) {
            return ErpPurchaseRequestStatusEnum.CANCEL.getStatus();
        }
        return null;
    }

    @Override
@@ -373,6 +437,11 @@
        if (CollUtil.isEmpty(requestItems)) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS);
        }
        requestItems.forEach(item -> {
            if (item.getProductPrice() == null || item.getTotalPrice() == null || item.getTaxPrice() == null) {
                throw exception(PURCHASE_REQUEST_ITEM_PRICE_EMPTY, item.getId());
            }
        });

        // 2. 生成采购订单号
        String orderNo = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_ORDER_NO_PREFIX);
@@ -383,7 +452,8 @@
        // 3. 创建采购订单
        ErpPurchaseOrderDO purchaseOrder = new ErpPurchaseOrderDO();
        purchaseOrder.setNo(orderNo);
        purchaseOrder.setStatus(ErpAuditStatus.APPROVE.getStatus()); // 采购订单直接为已审核状态
        // 自动生成的采购订单仍为草稿，必须走订单自身的提交/审批流程，避免绕过审批
        purchaseOrder.setStatus(ErpPurchaseOrderStatusEnum.DRAFT.getStatus());
        purchaseOrder.setSupplierId(purchaseRequest.getSupplierId());
        purchaseOrder.setOrderTime(purchaseRequest.getRequestTime());
        purchaseOrder.setTotalCount(purchaseRequest.getTotalCount());
@@ -417,38 +487,14 @@
        });
        purchaseOrderItemMapper.insertBatch(orderItems);

        // 5. 更新采购申请的订单信息
        // 5. 更新采购申请的订单信息，并回写最终使用的供应商
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setSupplierId(purchaseRequest.getSupplierId())
                .setOrderId(purchaseOrder.getId())
                .setOrderNo(orderNo));

        return purchaseOrder.getId();
    }

    /**
     * 校验采购申请审批分类和流程定义是否存在
     */
    private void validatePurchaseRequestApproveCategoryAndProcessDefinition() {
        List<BpmCategoryDO> categories = bpmCategoryService.getCategoryListByCode(
                Collections.singletonList(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE));
        if (CollUtil.isEmpty(categories)) {
            throw exception(PURCHASE_REQUEST_BPM_CATEGORY_NOT_EXISTS);
        }
    }

    /**
     * 转换 BPM 审批结果为状态
     */
    private Integer convertBpmResultToStatus(Integer bpmResult) {
        if (BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmResult)) {
            return ErpPurchaseRequestStatusEnum.APPROVE.getStatus();
        } else if (BpmTaskStatusEnum.REJECT.getStatus().equals(bpmResult)) {
            return ErpPurchaseRequestStatusEnum.REJECT.getStatus();
        } else if (BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmResult)) {
            return ErpPurchaseRequestStatusEnum.CANCEL.getStatus();
        }
        return null;
    }

    private ErpPurchaseRequestDO validatePurchaseRequestExists(Long id) {
@@ -459,9 +505,11 @@
        return purchaseRequest;
    }

    private ErpPurchaseRequestDO validatePurchaseRequestExistsAndDraft(Long id) {
    private ErpPurchaseRequestDO validatePurchaseRequestCanModify(Long id) {
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())) {
        Integer status = purchaseRequest.getStatus();
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(status)
                && !ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(status)) {
            throw exception(PURCHASE_REQUEST_UPDATE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
        }
        return purchaseRequest;
@@ -471,4 +519,97 @@
        return cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId().toString();
    }

}
    @Override
    public ErpPurchaseRequestImportRespVO importPurchaseRequestList(List<ErpPurchaseRequestImportExcelVO> importRequests,
                                                                    ErpPurchaseRequestImportReqVO importReqVO) {
        // 1. 校验非空（过滤完全空白的行）
        importRequests = filterList(importRequests, item -> StrUtil.isNotBlank(item.getProductCode()));
        if (CollUtil.isEmpty(importRequests)) {
            throw exception(PURCHASE_REQUEST_IMPORT_LIST_IS_EMPTY);
        }
        // 2. 按「单号」分组：相同单号的多行合并成一张采购申请；单号为空时每行各自成一张申请
        List<List<ErpPurchaseRequestImportExcelVO>> groups = new ArrayList<>();
        Map<String, Integer> groupIndexMap = new LinkedHashMap<>();
        int rowIndex = 0;
        for (ErpPurchaseRequestImportExcelVO row : importRequests) {
            rowIndex++;
            String groupKey = StrUtil.isNotBlank(row.getNo()) ? row.getNo() : ("__row_" + rowIndex);
            Integer index = groupIndexMap.get(groupKey);
            if (index == null) {
                index = groups.size();
                groupIndexMap.put(groupKey, index);
                groups.add(new ArrayList<>());
            }
            groups.get(index).add(row);
        }
        // 3. 逐组合并创建采购申请
        ErpPurchaseRequestImportRespVO respVO = ErpPurchaseRequestImportRespVO.builder()
                .createPurchaseRequestNos(new ArrayList<>())
                .failurePurchaseRequestNos(new LinkedHashMap<>())
                .build();
        for (List<ErpPurchaseRequestImportExcelVO> group : groups) {
            String groupKey = StrUtil.isNotBlank(group.get(0).getNo()) ? group.get(0).getNo()
                    : "第" + (importRequests.indexOf(group.get(0)) + 1) + "行";
            try {
                ErpPurchaseRequestSaveReqVO createReqVO = buildPurchaseRequestImportSaveReqVO(group);
                Long requestId = createPurchaseRequest(createReqVO);
                respVO.getCreatePurchaseRequestNos().add(purchaseRequestMapper.selectById(requestId).getNo());
            } catch (ServiceException ex) {
                respVO.getFailurePurchaseRequestNos().put(groupKey, ex.getMessage());
            }
        }
        return respVO;
    }

    /**
     * 将同一张采购申请的多行明细转换成创建 Request VO
     */
    private ErpPurchaseRequestSaveReqVO buildPurchaseRequestImportSaveReqVO(List<ErpPurchaseRequestImportExcelVO> group) {
        ErpPurchaseRequestImportExcelVO first = group.get(0);
        // 1. 校验申请时间
        if (first.getRequestTime() == null) {
            throw exception(PURCHASE_REQUEST_IMPORT_REQUEST_TIME_REQUIRED);
        }
        // 2. 解析供应商（可选）
        Long supplierId = null;
        if (StrUtil.isNotBlank(first.getSupplierName())) {
            ErpSupplierDO supplier = supplierMapper.selectByName(first.getSupplierName());
            if (supplier == null) {
                throw exception(PURCHASE_REQUEST_IMPORT_SUPPLIER_NOT_EXISTS, first.getSupplierName());
            }
            supplierId = supplier.getId();
        }
        // 3. 组装明细
        List<ErpPurchaseRequestSaveReqVO.Item> items = new ArrayList<>();
        for (ErpPurchaseRequestImportExcelVO row : group) {
            MdmItemRespDTO product = mdmItemApi.getItemByCode(row.getProductCode()).getCheckedData();
            if (product == null) {
                throw exception(PURCHASE_REQUEST_IMPORT_PRODUCT_NOT_EXISTS, row.getProductCode());
            }
            MdmUnitMeasureRespDTO unit = mdmUnitMeasureApi.getUnitMeasureByCode(row.getProductUnitCode()).getCheckedData();
            if (unit == null) {
                throw exception(PURCHASE_REQUEST_IMPORT_UNIT_NOT_EXISTS, row.getProductUnitCode());
            }
            ErpPurchaseRequestSaveReqVO.Item item = new ErpPurchaseRequestSaveReqVO.Item()
                    .setProductId(product.getId())
                    .setProductUnitId(unit.getId())
                    .setProductPrice(row.getProductPrice())
                    .setCount(row.getCount())
                    .setTaxPercent(row.getTaxPercent())
                    .setDemandTime(row.getDemandTime())
                    .setQcCheckFlag(row.getQcCheckFlag())
                    .setRemark(row.getItemRemark());
            items.add(item);
        }
        // 4. 组装主表
        return new ErpPurchaseRequestSaveReqVO()
                .setRequestTime(first.getRequestTime())
                .setRequestReason(first.getRequestReason())
                .setSupplierId(supplierId)
                .setDiscountPercent(first.getDiscountPercent())
                .setDepositPrice(first.getDepositPrice())
                .setRemark(first.getRemark())
                .setItems(items);
    }

}