如何处理有node.js和没有framworks的ajax post请求？

const http = require('http');

const server = http.createServer((request, response) => {
  if (request.method === 'POST') {
    let data = '';
    request.on('data', chunk => {
      data += chunk;
    });
    request.on('end', () => {
      // 处理post请求的数据
      // ...
      
      // 返回处理结果给客户端
      response.writeHead(200, { 'Content-Type': 'text/plain' });
      response.end('Post request processed successfully');
    });
  } else {
    response.writeHead(404, { 'Content-Type': 'text/plain' });
    response.end('Invalid request method');
  }
});

server.listen(3000, () => {
  console.log('Server is running on port 3000');
});

const express = require('express');
const app = express();

app.use(express.urlencoded({ extended: true }));
app.use(express.json());

app.post('/api/data', (req, res) => {
  // 处理post请求的数据
  // ...
  
  // 返回处理结果给客户端
  res.send('Post request processed successfully');
});

app.listen(3000, () => {
  console.log('Server is running on port 3000');
});