小程序导出账单接口

app/Http/Controllers/Recon/BillController.php

@@ -3,14 +3,17 @@
 namespace App\Http\Controllers\Recon;
 
 use App\Exceptions\RepositoryException;
+use App\Exports\BillExport;
 use App\Models\BillModel;
 use App\Services\BillDetailService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Maatwebsite\Excel\Facades\Excel;
 use Modules\AnnoRoute\Attribute\GetRoute;
 use Modules\AnnoRoute\Attribute\PutRoute;
 use Modules\AnnoRoute\Attribute\RequestAttribute;
 use Modules\Common\Http\Controllers\BaseController;
+use Symfony\Component\HttpFoundation\Response;
 
 /**
  * 门店账单管理（采购单完成后按门店生成，后台查看 + 线下收款登记）
@@ -55,6 +58,38 @@ class BillController extends BaseController
         return $this->success($data);
     }
 
+    /**
+     * 合并导出：勾选账单跨账单按商品合并明细（可按一级分类过滤），
+     * 表尾汇总商品金额/配送费/附加金额/总金额
+     */
+    #[GetRoute(route: '/export', authorize: 'export')]
+    public function export(Request $request): Response
+    {
+        $data = $request->validate([
+            'ids' => 'required|string',
+            'category_id' => 'nullable|integer|min:0',
+        ]);
+
+        $ids = array_values(array_filter(array_map('intval', explode(',', (string) $data['ids']))));
+        if ($ids === [] || count($ids) > 100) {
+            throw new RepositoryException('请选择 1~100 张账单');
+        }
+
+        $bills = BillModel::with('store:id,name')
+            ->whereIn('id', $ids)
+            ->orderBy('bill_date')
+            ->orderBy('id')
+            ->get();
+        if ($bills->isEmpty()) {
+            throw new RepositoryException('账单不存在');
+        }
+
+        return Excel::download(
+            new BillExport($bills, (int) ($data['category_id'] ?? 0)),
+            '门店账单_' . now()->format('Ymd_His') . '.xlsx'
+        );
+    }
+
     /**
      * 账单详情：账单信息 + 合并后的商品明细（按商品聚合）+ 关联订单
      */