NodeJS - EXPRESS : Simple Web Service

nodeJs.express.simpleWebService.js

// How to create a simple web service with Express

// In App.js
// Dependencies
var express = require('express')
  , http    = require('http')
  , port    = 8080

// Application
var app = express()

// Configuration: All environments
app.use(express.bodyParser())  // Parser
app.use(express.methodOverride())
app.use(app.router)  // Router

// Configuration: Development only
app.configure('development', function() {
  app.use(express.errorHandler())
})

//Routes are in a separate file
routes = require("./express.routes/router")(app)
  
//Start the server  
http.createServer(app).listen(port)


//**********************************************************************************//

// In "./express.routes/router.js"

//App routes  
module.exports = function(app){  
  
  var sayHello = function(req, res) {
    res.send("Hello " + req.params.id)
  }

  // Link routes and functions
  // Functions can be in others files  
  app.get('/hello', sayHello)
  app.post('/hello', sayHello)
  app.get('/hello/:id', sayHello)  
  app.post('/hello/:id', sayHello) 
}