版本：3.8.3
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/css/basic.css
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/css/dropzone.css
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/dropzone-amd-module.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/dropzone-amd-module.min.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/dropzone.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/dropzone.min.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/images/spritemap.png
- https://cdn.bootcdn.net/ajax/libs/dropzone/3.8.3/images/spritemap@2x.png