const http = require("http")
const _url = require("url")
http.createServer((req,res)=>{
//console.log(req.url) // /a?name=1&password=123
let urlQuery = _url.parse(req.url,true)
console.log(urlQuery.query)//{ name: 'johnson', password: '233' }
}).listen(3301)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<form action="http://localhost:3301/a" method="get">
name:<input type="text" name="name"><br>
password:<input type="password" name="password"><br>
<input type="submit" value="提交">
</form>
</body>
</html>