mtb_dcatadmin_plus/app/Libraries/CommonHelper.php

<?php

// app/Libraries/CommonHelper.php
namespace App\Libraries;

class CommonHelper
{

    /*
     * $images 格式：['image.jpg','image2.jpg']
     * 返回显示的HTML显示图片
     */
    public static function displayImage($images,$size=150)
    {
        //默认用等比例缩放
        $process = "?x-oss-process=image/resize,h_{$size},m_lfit";
        $html = '<div style="display: flex; flex-wrap: wrap; gap: 5px;">';
        foreach ($images as $image) {
            $html .= "<div style='flex: 1 0 {$size}px; max-width: {$size}px; max-height: {$size}px; padding: 5px; border: 1px solid #ddd; border-radius: 5px; background-color: #f9f9f9; box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); display: flex; align-items: center; justify-content: center;'>
                    <img  data-action='preview-img'   src='" . self::ossUrl($image).$process . "' style='max-width: 100%; max-height: 100%; object-fit: contain;'>
                  </div>";
        }
        $html .= '</div>';
        return $html;
    }

    /*
     * 返回oss的url
     */
    public static function ossUrl($image)
    {
        return "http://".env('OSS_BUCKET').'.'.env('OSS_ENDPOINT').'/'.$image;
    }

}