node.js create a service return data after sending request

1. The introduction of http module

var http = require('http');

2. Create a service

var server = http.createServer();

3. Bind request event

server.on ( 'Request', function (REQ, RES) {
     // req.url address is accessible 
    IF (req.url === '/ Login' ) {
         // req.write () returns the data in the page 
        res.write ( 'Login' )
         // after use return data end, or can not return data 
        res.end ()
    }else{
        res.write('no login')
        res.end()
    }
})

4. listening port

server.listen(3000,function(){
    console.log ( 'successful launch, through http: // localhost: 3000 to access' );
})

 

In the browser enter: HTTP: // localhost: 3000 / the Login

Display content on the page

 

 Complete code:

// introduced http module 
var http = The require ( 'http' );
 // create a service createServer () 
var Server = http.createServer ();
 // ON binding request event 
server.on ( 'request', function (REQ, RES) {
     // req.url address is accessible 
    IF (req.url === '/ Login' ) {
         // req.write () returns the data in the page 
        res.write ( 'Login' )
         // return data after use end, or can not return data 
        res.end ()
    }else{
        res.write('no login')
        res.end()
    }
})
// listening port 
server.listen (3000, function () {
    console.log ( 'successful launch, through http: // localhost: 3000 to access' );
})