Question

fontSize(double $size);

double $size

$config = [
    'path' => './tests'
];
​
$fileObject = new \Vtiful\Kernel\Excel($config);
$fileObject = $fileObject->fileName('tutorial.xlsx');
$fileHandle = $fileObject->getHandle();
​
// 创建样式资源
$format = new \Vtiful\Kernel\Format($fileHandle);
$style  = $format->fontSize(30)->toResource();
​
$filePath = $fileObject->header(['name', 'age'])
    ->data([
        ['viest', 21],
        ['wjx',   21]
    ])
    ->setRow('A1', 50, $style)    // 应用样式
    ->setRow('A2:A3', 50, $style) // 应用样式
    ->output();
​
var_dump($filePath);