SilverStripe:如何设置/指定GridField自定义操作按钮的图标

use SilverStripe\Forms\GridField\GridField_ColumnProvider;
use SilverStripe\View\ArrayData;
use SilverStripe\View\HTML;

class CustomGridFieldComponent implements GridField_ColumnProvider
{
    public function augmentColumns($gridField, &$columns)
    {
        if (!in_array('Actions', $columns)) {
            $columns[] = 'Actions';
        }
    }

    public function getColumnAttributes($gridField, $record, $columnName)
    {
        if ($columnName === 'Actions') {
            return ['class' => 'grid-field__col-compact'];
        }
    }

    public function getColumnMetadata($gridField, $columnName)
    {
        if ($columnName === 'Actions') {
            return ['title' => 'Actions'];
        }
    }

    public function getColumnContent($gridField, $record, $columnName)
    {
        if ($columnName === 'Actions') {
            $data = new ArrayData([
                'EditLink' => $gridField->Link('edit?id=' . $record->ID),
                'Icon' => '<i class="fa fa-pencil"></i>', // 使用Font Awesome图标
                'ButtonClass' => 'action--edit',
            ]);

            return $data->renderWith('CustomGridFieldComponent');
        }
    }
}

$gridFieldConfig = GridFieldConfig::create()->addComponent(new CustomGridFieldComponent());
$gridField = GridField::create('MyGridField', 'My GridField', $dataList, $gridFieldConfig);