截图cropper

前端实现截图压缩上传图片的功能，一个很好的的插件；

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-12-14 15:39  cropper-master\
     目录           0  2017-12-14 15:39  cropper-master\cropper\
     文件       86515  2017-10-28 13:33  cropper-master\cropper\cropper.common.js
     文件        4949  2017-10-28 13:33  cropper-master\cropper\cropper.css
     文件        6913  2017-12-14 14:55  cropper-master\cropper\cropper.html
     文件       86669  2017-10-28 13:33  cropper-master\cropper\cropper.js
     文件       32225  2017-10-28 13:33  cropper-master\cropper\cropper.min.js
     目录           0  2017-12-14 15:39  cropper-master\cropper\images\
     文件      527433  2017-12-13 14:34  cropper-master\cropper\images\111.jpeg
     文件       29358  2017-12-13 15:26  cropper-master\cropper\images\timg.jpg
     目录           0  2017-12-14 15:39  cropper-master\cropper-master\
     目录           0  2017-11-01 13:42  cropper-master\cropper-master\dist\
     文件       86515  2017-10-28 13:33  cropper-master\cropper-master\dist\cropper.common.js
     文件        4676  2017-10-28 13:33  cropper-master\cropper-master\dist\cropper.css
     文件       86364  2017-10-28 13:33  cropper-master\cropper-master\dist\cropper.esm.js
     文件       86669  2017-10-28 13:33  cropper-master\cropper-master\dist\cropper.js
     文件        3767  2017-10-28 13:33  cropper-master\cropper-master\dist\cropper.min.css
     文件       32225  2017-10-28 13:33  cropper-master\cropper-master\dist\cropper.min.js
     目录           0  2017-11-01 13:42  cropper-master\cropper-master\docs\
     文件        3796  2017-10-28 13:33  cropper-master\cropper-master\docs\apple-touch-icon.png
     目录           0  2017-11-01 13:42  cropper-master\cropper-master\docs\css\
     文件        4676  2017-10-28 13:33  cropper-master\cropper-master\docs\css\cropper.css
     文件        3669  2017-10-28 13:33  cropper-master\cropper-master\docs\css\main.css
     文件         236  2017-10-28 13:33  cropper-master\cropper-master\docs\favicon.ico
     目录           0  2017-11-01 13:42  cropper-master\cropper-master\docs\images\
     文件       16534  2017-10-28 13:33  cropper-master\cropper-master\docs\images\data.jpg
     文件       26921  2017-10-28 13:33  cropper-master\cropper-master\docs\images\layers.jpg
     文件      182998  2017-10-28 13:33  cropper-master\cropper-master\docs\images\picture-2.jpg
     文件      224777  2017-10-28 13:33  cropper-master\cropper-master\docs\images\picture-3.jpg
     文件      157356  2017-10-28 13:33  cropper-master\cropper-master\docs\images\picture.jpg
     文件       28188  2017-10-28 13:33  cropper-master\cropper-master\docs\index.html
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