feat(sales): 为销售报表添加订单明细查询功能

- 在 CrmOrderItemMapper 中添加根据订单ID列表查询订单明细的方法
- 实现 MyBatis 查询语句支持批量订单ID查询订单明细
- 修改销售报表服务类注入 CrmOrderItemMapper 依赖
- 扩展销售报表查询逻辑以包含订单明细数据
- 在销售报表 VO 中添加订单明细列表字段
- 使用流式处理和分组收集优化订单明细关联逻辑

klp-crm/src/main/java/com/klp/crm/service/impl/CrmSalesReportServiceImpl.java

@@ -1,5 +1,7 @@
 package com.klp.crm.service.impl;
 
+import com.klp.crm.domain.CrmOrderItem;
+import com.klp.crm.mapper.CrmOrderItemMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import com.klp.common.core.page.TableDataInfo;
@@ -12,7 +14,10 @@ import com.klp.crm.service.ICrmSalesReportService;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * 销售报表Service业务层处理
@@ -26,6 +31,8 @@ public class CrmSalesReportServiceImpl implements ICrmSalesReportService {
 
     private final CrmSalesReportMapper baseMapper;
 
+    private final CrmOrderItemMapper crmOrderItemMapper;
+
     /**
      * 查询销售报表汇总数据
      */
@@ -58,7 +65,36 @@ public class CrmSalesReportServiceImpl implements ICrmSalesReportService {
      */
     @Override
     public List<CrmSalesReportVo.OrderDetail> queryOrderDetailList(CrmSalesReportBo bo) {
-        return baseMapper.selectOrderDetailList(bo);
+        List<CrmSalesReportVo.OrderDetail> orderDetails = baseMapper.selectOrderDetailList(bo);
+        if (StringUtils.isNotNull(orderDetails) && !orderDetails.isEmpty()) {
+            // 提取所有订单ID
+            List<String> orderIds = orderDetails.stream()
+                .map(CrmSalesReportVo.OrderDetail::getOrderId)
+                .filter(StringUtils::isNotNull)
+                .distinct()
+                .collect(Collectors.toList());
+
+            // 根据订单ID列表查询对应的明细
+            if (!orderIds.isEmpty()) {
+                List<CrmOrderItem> orderItems = crmOrderItemMapper.selectOrderItemsByOrderIds(orderIds);
+
+                // 将明细按订单ID分组
+                Map<String, List<CrmOrderItem>> orderItemMap = orderItems.stream()
+                    .collect(Collectors.groupingBy(CrmOrderItem::getOrderId));
+
+                // 为每个订单设置对应的明细列表
+                for (CrmSalesReportVo.OrderDetail orderDetail : orderDetails) {
+                    List<CrmOrderItem> items = orderItemMap.get(orderDetail.getOrderId());
+                    orderDetail.setOrderItemList(items != null ? items : new ArrayList<>());
+                }
+            } else {
+                // 如果没有有效的订单ID，初始化明细列表为空
+                for (CrmSalesReportVo.OrderDetail orderDetail : orderDetails) {
+                    orderDetail.setOrderItemList(new ArrayList<>());
+                }
+            }
+        }
+        return orderDetails;
     }
 
     /**