mtb_dcatadmin_plus/app/Exceptions/Form/MultipleCutImage.php

<?php

namespace App\Exceptions\Form;

use Dcat\Admin\Support\Helper;
use Dcat\Admin\Form\Field\Image;
use PhpParser\Node\Expr\Cast\Double;

class MultipleCutImage extends Image
{
    protected $view = 'admin.form_custom.cut-image';

    /**
     * Allow to sort files.
     *
     * @param  bool  $value
     * @return $this
     */
    public function sortable(bool $value = true)
    {
        $this->options['sortable'] = $value;

        return $this;
    }

    /*
     * 裁剪比例 格式：1/1
     */
    public function aspectRatio(float $value = 1)
    {
        $this->options['aspectRatio'] = $value;

        return $this;
    }

    /**
     * Set a limit of files.
     *
     * @param  int  $limit
     * @return $this
     */
    public function limit(int $limit)
    {
        if ($limit < 2) {
            return $this;
        }

        $this->options['fileNumLimit'] = $limit;

        return $this;
    }

    /**
     * Prepare for saving.
     *
     * @param  string|array  $file
     * @return array
     */
    protected function prepareInputValue($file)
    {
        if ($path = request(static::FILE_DELETE_FLAG)) {
            $this->deleteFile($path);

            return array_values(array_diff($this->original, [$path]));
        }

        $file = Helper::array($file, true);

        $this->destroyIfChanged($file);

        return $file;
    }

    protected function forceOptions()
    {
    }
}