fontSize property
Gets/sets font size.
final Workbook workbook = Workbook();
final Worksheet sheet = workbook.worksheets[0];
final Style style = workbook.styles.add('style');
// set font size.
style.fontSize = 20;
final Range range1 = sheet.getRangeByIndex(3, 4);
range1.number = 10;
range1.cellStyle = style;
final List<int> bytes = workbook.saveAsStream();
File('CellStyle.xlsx').writeAsBytes(bytes);
workbook.dispose();
Implementation
late double fontSize;