JavaScript 保存文件的几种方法

用 js 下载二进制流，保存图片等

FileSaver.js

• https://github.com/eligrey/FileSaver.js

import { saveAs } from 'file-saver';
FileSaver saveAs(Blob/File/Url, optional DOMString filename, optional Object { autoBom })

downloadjs

• https://www.npmjs.com/package/downloadjs

import download from 'downloadjs';
download(data, strFileName, strMimeType);