vue 保存文件 FileSaver

npm install file-saver

<template>   <button @click="saveToFile">保存文件</button> </template>   <script> import { saveAs } from 'file-saver'   export default {   methods: {     saveToFile() {       const data = '测试测试测试!'       const filename = 'test.txt'              const blob = new Blob([data], { type: 'text/plain;charset=utf-8' })       saveAs(blob, filename)     }   } } </script>