在已运行的lightGallery实例中添加/编辑选项

<a href="path_to_full_image.jpg" data-src="path_to_full_image.jpg" data-thumb="path_to_thumbnail.jpg" data-sub-html="Image caption"> 
  <img src="path_to_thumbnail.jpg" alt="Image description" />
</a>

$(document).ready(function() {
  $("#your-gallery").lightGallery({
    // 添加/编辑选项的配置
    dynamic: true,
    dynamicEl: [
      {
        src: 'path_to_full_image.jpg',
        thumb: 'path_to_thumbnail.jpg',
        subHtml: 'Image caption',
        // 更多选项
      },
      // 添加更多图片
    ]
  });
});

// 添加新图片
var newImage = {
  src: 'path_to_new_image.jpg',
  thumb: 'path_to_thumbnail.jpg',
  subHtml: 'New image caption',
  // 更多选项
};

// 获取lightGallery实例并添加新图片
var lgInstance = $("#your-gallery").data('lightGallery');
lgInstance.settings.dynamicEl.push(newImage);
lgInstance.updateSlides();