<template>

     <div>

         <el-button @click="clearFiles">重新上传</el-button>

         <el-upload ref="my-upload">

             <el-button type="primary">点击上传</el-button>

         </el-upload>

     </div>

 </template>

 <script>

     export default {

         data(){

             return {

         }

     },

     methods: {

         clearFiles () {

             this.$refs['my-upload'].clearFiles();

         }

     }

 };