版本：1.5.12
- https://cdn.bootcdn.net/ajax/libs/cropperjs/1.5.12/cropper.css
- https://cdn.bootcdn.net/ajax/libs/cropperjs/1.5.12/cropper.js
- https://cdn.bootcdn.net/ajax/libs/cropperjs/1.5.12/cropper.min.css
- https://cdn.bootcdn.net/ajax/libs/cropperjs/1.5.12/cropper.min.js