validate([ 'file' => 'required|mimes:xlsx,xls,csv', ]); try { Excel::import(new ArsipImport, $request->file('file')); return redirect()->route('brosur.arsip')->with('success', 'Data imported successfully!'); } catch (\Exception $e) { return redirect()->back()->with('error', 'Failed to import data: ' . $e->getMessage()); } } }