版本：6.0.0-beta.2
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/basic.css
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/basic.min.css
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/dropzone-min.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/dropzone-min.min.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/dropzone.css
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/dropzone.js
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/dropzone.min.css
- https://cdn.bootcdn.net/ajax/libs/dropzone/6.0.0-beta.2/dropzone.min.js