Build web application with express

Build web application with express

• 1.
  Building a Websitewith Sarunyhot Suvannachoti (Kao) Software Engineer @ Jitta.com Express.js
• 2.
  What is express? •Node.js web application framework • Inspired by Sinatra • Asynchronous
• 3.
  Routing
• 4.
  Routing
• 5.
  Route handlers
• 6.
  Response methods Method Description res.download()Prompt a file to be downloaded. res.end() End the response process. res.json() Send a JSON response. res.jsonp() Send a JSON response with JSONP support. res.redirect() Redirect a request. res.render() Render a view template. res.send() Send a response of various types. res.sendFile Send a file as an octet stream. res.sendStatus() Set the response status code and send its string representation as the response body.
• 7.
  Chainable route
• 8.
  Middleware Browser Request app.get(‘/user’) app.post(‘/blog’) app.delete(‘/book’)
• 9.
  Middleware Browser Request app.get(‘/user’) middleware app.post(‘/blog’) app.delete(‘/book’)
• 10.
  Middleware Browser Request app.get(‘/user’) checkAdmin app.post(‘/blog’) app.delete(‘/book’) logRequest checkLogin checkAccess
• 11.
  Middleware