express session 操作

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

// npm install express-session --save
var session = require("express-session");

app.use(session({
    secret: 'keyboard cat',
    resave: false,
    saveUninitialized: true
}));

app.get("/",function(req,res){
	if(req.session.login == "1"){
		res.send("欢迎" + req.session.username);
	}else{
		res.send("没有成功登陆");
	}
});

app.get("/login",function(req,res){
	req.session.login = "1";	//设置这个session
	req.session.username = "考拉";
	res.send("你已经成功登陆");
});

app.listen(3000);