react 图片裁剪

https://github.com/DominicTobias/react-image-crop

Upload 上传裁剪，405star
https://github.com/nanxiaobei/antd-img-crop

Copper图片裁剪

https://github.com/fengyuanchen/cropperjs
npm install cropperjs

Copper封装

https://fengyuanchen.github.io/photo-editor

图片裁剪原理
https://www.mianshigee.com/note/detail/76976rec/