vue上传demo支持多选拖拽上传

vue上传demo,支持多选，拖拽上传

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-08-23 16:44  vue_upload-master\
     文件         312  2018-08-23 16:44  vue_upload-master\.babelrc
     文件         147  2018-08-23 16:44  vue_upload-master\.editorconfig
     文件         145  2018-08-23 16:44  vue_upload-master\.gitignore
     文件         197  2018-08-23 16:44  vue_upload-master\.postcssrc.js
     文件         525  2018-08-23 16:44  vue_upload-master\README.md
     目录           0  2018-08-23 16:44  vue_upload-master\build\
     文件         953  2018-08-23 16:44  vue_upload-master\build\build.js
     文件        1257  2018-08-23 16:44  vue_upload-master\build\check-versions.js
     文件         245  2018-08-23 16:44  vue_upload-master\build\dev-client.js
     文件        2463  2018-08-23 16:44  vue_upload-master\build\dev-server.js
     文件        1949  2018-08-23 16:44  vue_upload-master\build\utils.js
     文件         413  2018-08-23 16:44  vue_upload-master\build\vue-loader.conf.js
     文件        1529  2018-08-23 16:44  vue_upload-master\build\webpack.base.conf.js
     文件        1225  2018-08-23 16:44  vue_upload-master\build\webpack.dev.conf.js
     文件        3742  2018-08-23 16:44  vue_upload-master\build\webpack.prod.conf.js
     目录           0  2018-08-23 16:44  vue_upload-master\config\
     文件         139  2018-08-23 16:44  vue_upload-master\config\dev.env.js
     文件        1437  2018-08-23 16:44  vue_upload-master\config\index.js
     文件          48  2018-08-23 16:44  vue_upload-master\config\prod.env.js
     文件       47869  2018-08-23 16:44  vue_upload-master\demo.png
     文件         198  2018-08-23 16:44  vue_upload-master\index.html
     文件        1706  2018-08-23 16:44  vue_upload-master\package.json
     目录           0  2018-08-23 16:44  vue_upload-master\src\
     文件         387  2018-08-23 16:44  vue_upload-master\src\App.vue
     目录           0  2018-08-23 16:44  vue_upload-master\src\assets\
     文件        6849  2018-08-23 16:44  vue_upload-master\src\assets\logo.png
     目录           0  2018-08-23 16:44  vue_upload-master\src\components\
     文件      771655  2018-08-23 16:44  vue_upload-master\src\components\1.png
     文件        6785  2018-08-23 16:44  vue_upload-master\src\components\Hello.vue
     文件         429  2018-08-23 16:44  vue_upload-master\src\components\del.png
............此处省略7个文件信息