request & response

directory

Code(server.js)

const http = require("http");
const fs = require("fs");

const server = http.createServer((req, res) => {
  console.log(req.url, req.method);

  // set header content type
  res.setHeader("Content-Type", "text/html");

  let path = "./day02/views/";
  switch (req.url) {
    case "/":
      path += "index.html";
      res.statusCode = 200;
      break;
    case "/about":
      path += "about.html";
      res.statusCode = 200;
      break;
    case "/about-me": // about 페이지로 리다이렉트
      res.statusCode = 301;
      res.setHeader("Location", "/about");
      res.end();
      break;
    default:
      path += "404.html";
      res.statusCode = 404;
      break;
  }

  // send an html file
  fs.readFile(path, (err, data) => {
    if (err) {
      console.log(err);
      res.end();
    } else {
      // res.write(data);
      // res.end();
      res.end(data); // 위의 두 줄을 한 줄로 작성 가능
    }
  });
});

server.listen(3000, "localhost", () => {
  console.log("listening for requests on port 3000");
});

참고
https://www.youtube.com/watch?v=DQD00NAUPNk&list=PL4cUxeGkcC9jsz4LDYc6kv3ymONOKxwBU&index=4