html代码：
1 <!DOCTYPE html> 2 <html lang="en"> 3 ?4 <head> 5 ????<meta charset="UTF-8"> 6 ????<meta name="viewport" content="width=device-width, initial-scale=1.0"> 7 ????<meta http-equiv="X-UA-Compatible" content="ie=edge"> 8 ????<title>Document</title> 9 </head>10 11 <body>12 ????<form action="http://127.0.0.1/dopost" enctype="multipart/form-data" method="POST">13 ????????姓名：<input type="text" name="name"> 性别：14 ????????<input type="radio" name="gender" value="男">男<input type="radio" name="gender" value="女">女 年龄：15 ????????<input type="number" name="age"> 图片：16 ????????<input type="file" name="img">17 ????????<input type="submit" value="提交">18 ????</form>19 </body>20 21 </html>
js代码
1 let http = require(‘http‘); 2 let formidable = require(‘formidable‘); 3 let util = require(‘util‘); 4 ?5 ?6 //创建服务器 7 let server = http.createServer(function (req, res) { 8 ????//如果你的访问地址是这个，并且请求类型是post 9 ????if (req.url == ‘/dopost‘ && req.method.toLowerCase() == ‘post‘) {10 ????????let form = new formidable.IncomingForm();11 ????????//设置文件上传存放地址12 ????????form.uploadDir = ‘./uploads‘;13 ????????//执行里面的回调函数的时候，表单已经全部接收完毕了。14 ????????form.parse(req, function (err, fields, files) {15 ????????????if (err) throw err;16 ????????????console.log(‘上传文件路径：‘,files.img.path,‘上传文件名：‘,files.img.name);17 ????????????// console.log(util.inspect({ fields: fields, files: files }));18 ????????????//所有的文本域、单选框,都在fields存放;19 ????????????//所有的文件域，files20 ????????????res.writeHead(200, { ‘content-type‘: ‘text/plain‘ });21 22 ????????????res.end(‘success!~~~‘);23 ????????});24 ????}25 });26 27 server.listen(80, ‘127.0.0.1‘);node - post - 上传图片
原文地址：https://www.cnblogs.com/cisum/p/9429885.html