vue3+elementplus 单文件上传
端前
<template>
<el-upload
multiple
action="#"
class="upload-demo"
:auto-upload="false"
:on-change="change">
<el-button type="primary">上传</el-button>
</el-upload>
<template>
const change = (data) => {
let formData = new FormData();
formData.append('file', data.raw);
// 检查是否成功添加数据到 FormData 对象中
if (formData.has('file')) {
console.log('FormData 中包含数据');
console.log(formData.get('file'));