在https://bezkoder.com/和https://attacomsian.com/这两个网站上找到一些关于Node.js下上传单个文件和多个文件的一些示例博客以及对应的源代码，在Node.js中有Multer和express-fileupload这两个文件上传中间件，总结如下：
博客
- How to upload multiple files in Node.js
- Node.js Express File Upload/Download Rest API example
- Upload & resize multiple images in Node.js using Express, Multer, Sharp
- Upload/store images in MySQL using Node.js, Express & Multer
- How to upload/store images in MongoDB using Node.js, Express & Multer
- Node.js: Upload/Import Excel file data into MySQL Database
- Vuetify File Upload example
- Node.js Express File Upload Rest API example using Multer
- How to upload files in Node.js and Express
- Express File Upload with Multer in Node.js 例如,以How to upload multiple files in Node.js这篇博客为例：
对应的源代码下载地址：https://github.com/bezkoder/nodejs-upload-multiple-files
GitHub源代码
- https://github.com/bezkoder
- https://github.com/attacomsian/code-examples
