save method

List<int>? save({ String fileName = 'FlutterExcel.xlsx', })

Starts Saving the file. On Web

// Call function save() to download the file
var bytes = excel.save(fileName: "My_Excel_File_Name.xlsx");

On Android / iOS

For getting directory on Android or iOS, Use: path_provider

// Call function save() to download the file
var fileBytes = excel.save();
var directory = await getApplicationDocumentsDirectory();

File(join("$directory/output_file_name.xlsx"))
  ..createSync(recursive: true)
  ..writeAsBytesSync(fileBytes);

Implementation

List<int>? save({String fileName = 'FlutterExcel.xlsx'}) {
  Save s = Save._(this, parser);
  var onValue = s._save();
  return helper.SavingHelper.saveFile(onValue, fileName);
}