express-session 简单实例

express-session 实例

1. app.js

var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var ejs = require('ejs');
var session = require('express-session');
var app = express();

//初始化session中间件
app.use(session({
    secret:'secret', ////配置加密字符串，他会在原有加密基础上和这个字符串拼接起来再次加密，目的增加安全性
    resave:false,    //是否每次都重新保存会话
    saveUninitialized:true //是否保存未初始化的会话
}));

2. index.js

//首页
router.get('/index', function(req, res) {
    console.dir(req.session.loginaccess);
    res.render('index');
});
//登录
router.get('/login', function(req, res) {
    req.session.loginaccess = '123';
    res.redirect(301,'index');
});