express middleware

gistfile1.txt

var express = require('express');
var app = express();


function showMessage(req,res){
    console.log("server has send message");
    res.send('Hello World!');
}

function checkSession(req,res,next){
    //check session number
    console.log('server have check session');
    next();
}

app.get('/',checkSession,showMessage);


var server = app.listen(3000, function () {
  var host = server.address().address;
  var port = server.address().port;

  console.log('Example app listening at http://%s:%s', host, port);
});