一、html

<el-button type="primary" class="upload-file">上传文件<inputref="file_ref"type="file"class="file-input"multiple@change="uploadFile($event, true)"/>
</el-button>
<el-button type="primary" class="upload-file">上传文件夹<inputref="folder_ref"type="file"class="file-input"webkitdirectory@change="uploadFile($event, false)"/>
</el-button>

二、css

  .upload-file {position: relative;.file-input {position: absolute;left: 0;top: 0;width: 100%;height: 100%;opacity: 0;cursor: pointer;}}

三、js

  // 上传文件夹const file_ref =