版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/imageviewer/1.1.0/viewer.css
- https://cdn.bootcdn.net/ajax/libs/imageviewer/1.1.0/viewer.js
- https://cdn.bootcdn.net/ajax/libs/imageviewer/1.1.0/viewer.min.css
- https://cdn.bootcdn.net/ajax/libs/imageviewer/1.1.0/viewer.min.js