nodejs 静态服务

const http = require('http');
const fs = require('fs');
const path = require('path');

const server = http.createServer((req, res) => {
  // 处理首页请求
  if (req.url === '/') {
    fs.readFile(path.join(__dirname, 'index.html'), (err, data) => {
      if (err) {
        res.writeHead(500);
        return res.end('Error loading index.html');
      }

      res.writeHead(200);
      res.end(data);
    });
  } else {
    // 处理其他静态文件请求
    const filePath = path.join(__dirname, req.url);
    fs.readFile(filePath, (err, data) => {
      if (err) {
        res.writeHead(404);
        return res.end('404 not found');
      }

      res.writeHead(200);
      res.end(data);
    });
  }
});

const port = process.env.PORT || 3000;
server.listen(port, () => console.log(`Server running at http://localhost:${port}`));