关于vue.js:vue3中清空input-typefile上传文件

1、增加 ref

<input type="file" ref="uploadFile" />

2、获取 input file

...
setup () {let uploadFile = ref('uploadFile')
return {uploadFile}

3、执行清空操作

setup () {
...
  const clearInput = () => {uploadFile.value.value = ''}
...
}