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

app.set('view','./views');
app.set("view engine",'ejs');
var originalfoo = app.get;
app.get('/',function(req,res){
    // res.send('hello world');
    res.render('index');
});

app.get("/xu",function(req,res){
    res.send("hello xuxiaofeng");
});

var server=app.listen(3000,function(){
    var host=server.address().address;
    console.log(host);
    console.log(server.address());
    var port=server.address().port;
    console.log(port);
    console.log('example app listen at http://%s:%s',host,port);
});
 

瀏覽器中瀏覽127.0.0.1::3000 

老是顯示 view is not a constructor