demo39.js
const express = require('express');
const app = express();
const bodyParser = require('body-parser');
//拦截所有请求
//extends:true 方法内部使用第三方模块请求的参数
app.use(bodyParser.urlencoded({ extends: false }))
app.post('/add', (req, res) => {
res.send(req.body);
})
app.listen(3000);
console.log('服务器启动成功');
post.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form action="http://localhost:3000/add" method="post">
<input type="text" name="username">
<input type="password" name="password">
<input type="submit" name="">
</form>
</body>
</html>
