## zh-CN 上传文件为图片,可展示本地缩略图。`IE8/9` 不支持浏览器本地缩略图展示([Ref](https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsDataURL)),可以写 `thumbUrl` 属性来代替。 ## en-US If uploaded file is a picture, the thumbnail can be shown. `IE8/9` do not support local thumbnail show. Please use `thumbUrl` instead.