账单导出

tests/Feature/ExportTest.php

@@ -216,6 +216,30 @@ class ExportTest extends ProcurementTestCase
         $this->assertSame(45.0, (float) $total[11]);
     }
 
+    /** 采购导出：标题按实际表格列合并，供应商备注区域随门店列数调整 */
+    public function test_export_titles_are_merged_across_table_columns(): void
+    {
+        [$purchase] = $this->buildPurchaseWithSuppliers();
+
+        $purchaseSheet = (new Spreadsheet())->getActiveSheet();
+        (new PurchaseOrderExport($purchase))->styles($purchaseSheet);
+        $this->assertArrayHasKey('A1:N1', $purchaseSheet->getMergeCells());
+
+        $storeSheet = (new Spreadsheet())->getActiveSheet();
+        (new PurchaseStoreExport($purchase))->sheets()[0]->styles($storeSheet);
+        $this->assertArrayHasKey('A1:I1', $storeSheet->getMergeCells());
+
+        $supplierSheets = (new PurchaseSupplierExport($purchase))->sheets();
+        $supplierSheetA = (new Spreadsheet())->getActiveSheet();
+        $supplierSheets[0]->styles($supplierSheetA);
+        $this->assertArrayHasKey('A1:C2', $supplierSheetA->getMergeCells());
+        $this->assertArrayHasKey('D1:E2', $supplierSheetA->getMergeCells());
+
+        $supplierSheetB = (new Spreadsheet())->getActiveSheet();
+        $supplierSheets[1]->styles($supplierSheetB);
+        $this->assertArrayHasKey('D1:D2', $supplierSheetB->getMergeCells());
+    }
+
     /** 商品明细导出：范围=全部未删除商品（含下架）∪ 本采购单有订货商品；已删除且无订货的商品不导出 */
     public function test_export_scope_includes_off_shelf_but_not_deleted(): void
     {