Optionalheight图片原始高度(用于瀑布流布局计算宽高比) Original image height (used for aspect ratio calculation in masonry layout)
图片 URL 地址 Image URL address
Optionalwidth图片原始宽度(用于瀑布流布局计算宽高比) Original image width (used for aspect ratio calculation in masonry layout)
图片资源描述符,用于通过 URL 加载图片 Image resource descriptor for loading images via URL