feat(oa/erp): 新增项目采购单明细导出功能

- 添加 exportSingle 接口用于导出单项项目采购单明细
- 在 ErpProjectPurchaseMaterialVo 中增加项目号和项目名称字段
- 移除不必要的 ExcelProperty 注解以优化导出格式
- 添加关联物料编号和销售物料名称的 Excel 导出支持

ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpProjectPurchaseController.java

@@ -58,6 +58,24 @@ public class ErpProjectPurchaseController extends BaseController {
         ExcelUtil.exportExcel(list, "项目采购信息", ErpProjectPurchaseVo.class, response);
     }
 
+    /**
+     * 导出单项项目采购单明细
+     */
+    @SaCheckPermission("oa/erp:projectPurchase:export")
+    @Log(title = "项目采购单明细", businessType = BusinessType.EXPORT)
+    @PostMapping("/exportSingle/{projectPurchaseId}")
+    public void exportSingle(@PathVariable("projectPurchaseId") Long projectPurchaseId, HttpServletResponse response) {
+        ErpProjectPurchaseVo detail = erpProjectPurchaseService.queryById(projectPurchaseId);
+        List<ErpProjectPurchaseMaterialVo> list = detail.getPurchaseMaterialList();
+        if (list != null) {
+            for (ErpProjectPurchaseMaterialVo material : list) {
+                material.setProjectCode(detail.getProjectCode());
+                material.setProjectName(detail.getProjectName());
+            }
+        }
+        ExcelUtil.exportExcel(list, "项目采购单明细", ErpProjectPurchaseMaterialVo.class, response);
+    }
+
     /**
      * 获取项目采购信息详细信息
      *

ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/domain/vo/ErpProjectPurchaseMaterialVo.java

@@ -31,22 +31,34 @@ public class ErpProjectPurchaseMaterialVo implements Serializable {
     @Serial
     private static final long serialVersionUID = 1L;
 
+    /**
+     * 项目号
+     */
+    @ExcelProperty(value = "项目号")
+    private String projectCode;
+
+    /**
+     * 项目名称
+     */
+    @ExcelProperty(value = "项目名称")
+    private String projectName;
+
     /**
      * 项目采购ID
      */
-    @ExcelProperty(value = "项目采购ID")
+//    @ExcelProperty(value = "项目采购ID")
     private Long purchaseMaterialId;
 
     /**
      * 项目采购ID
      */
-    @ExcelProperty(value = "项目采购ID")
+//    @ExcelProperty(value = "项目采购ID")
     private Long projectPurchaseId;
 
     /**
      * 关联明细ID
      */
-    @ExcelProperty(value = "关联明细ID")
+//    @ExcelProperty(value = "关联明细ID")
     private Long relationDetailsId;
 
     /**
@@ -73,13 +85,13 @@ public class ErpProjectPurchaseMaterialVo implements Serializable {
     /**
      * 物料ID
      */
-    @ExcelProperty(value = "物料ID")
+//    @ExcelProperty(value = "物料ID")
     private Long materialId;
 
     /**
      * 销售物料ID
      */
-    @ExcelProperty(value = "销售物料ID")
+//    @ExcelProperty(value = "销售物料ID")
     private Long relationMaterialId;
 
     /**
@@ -103,7 +115,7 @@ public class ErpProjectPurchaseMaterialVo implements Serializable {
     /**
      * 单位ID
      */
-    @ExcelProperty(value = "单位ID")
+//    @ExcelProperty(value = "单位ID")
     private Long unitId;
 
     /**
@@ -127,7 +139,7 @@ public class ErpProjectPurchaseMaterialVo implements Serializable {
     /**
      * 序号
      */
-    @ExcelProperty(value = "序号")
+//    @ExcelProperty(value = "序号")
     private Long serialNumber;
 
     /**
@@ -146,11 +158,13 @@ public class ErpProjectPurchaseMaterialVo implements Serializable {
     /**
      * 关联物料编号
      */
+    @ExcelProperty(value = "关联物料编号")
     private String relationMaterialCode;
 
     /**
      * 关联物料名称
      */
+    @ExcelProperty(value = "销售物料名称")
     private String relationMaterialName;
 
     /**