github地址:https://github.com/fengyuanchen/cropperjs
参考:https://blog.csdn.net/qq727013465/article/details/51823231
https://www.cnblogs.com/ww03/p/9507039.html (心态)
react插件react-cropper:https://github.com/react-cropper/react-cropper
https://www.jianshu.com/p/a5761dc6e04e
Vue中使用Cropper.js裁剪图片
https://www.cnblogs.com/linxiyue/archive/2019/01/18/10288490.html
vue图片上传:
img-uploader:https://github.com/ssshooter/img-uploader/blob/master/lib/uploader.vue