vuedropzone一个拖动文件上传的Vuejs组件支持图片预览

# vue-dropzone **CO-MAINTAINERS WANTED** This component has far outgrown my initial expectations and I'm not able to provide the amount of support that users require. If you'd like to help out with it's maintenance drop a [note on this issue](https://github.com/rowanwins/vue-dropzone/issues/473) A Vue component for file uploads, powered by [Dropzone.js](http://www.dropzonejs.com/). [Check out the demo](https://rowanwins.github.io/vue-dropzone/docs/dist/index.html). A **Nuxt SSR-compatible** component can be found at [npm](https://www.npmjs.com/package/nuxt-dropzone) and [github](https://github.com/Etheryte/nuxt-dropzone). Thanks to [@Etheryte](https://github.com/Etheryte) ---  ## Development ``` bash # install your dependencies npm install # install vue-dropzone npm install vue2-dropzone (or with yarn) yarn add vue2-dropzone # Execute dependencies script npm run dev # serve example and docs at localhost:8080 npm run start # build any changes made npm run build ```