el-upload组件默认情况下上传多少个文件就会请求多少次上传接口，如何一次上传多个文件而不必多次请求上传接口呢？直接看代码 html
<el-upload :action="actionUrl" :auto-upload="false" :multiple="true" :file-list="fileList" :on-change="onChange" :on-remove="onRemove" :on-exceed="OnExceed" ref="upload" list-type="picture" :limit="10"> <button>上传附件文档</button> <span>注意：支持jpg，png格式</span> </el-upload>