session:
1.安裝模塊
npm install express-session
2.引入session註冊到路由
let express = require('express');
let session = require('express-session');
let router = express.Router();
router.use(session({secret: 'keyboard cat', resave: false, saveUninitialized: true, cookie: {maxAge: 66666}}));
3.使用session
router.get('/', function (req, res, next) {
//設置session
req.session.username = 'helloyuan.com';
//獲取session
console.log(req.session);
console.log(req.session.myname);
res.render('/index', {title: '首頁'});
});
session存在於會話之中,只要連接斷開session就會消失,所以使用session需要注意
cookie:
1.安裝模塊
npm install cookie-parse
2.引入session註冊到路由
let express = require('express');
let cookie = require('cookie-parser');
let router = express.Router();
let app = express()
app.use(cookieParser());
3.使用cookie
router.get('/', function (req, res, next) {
//設置cookie
res.cookie('username','helloyuan.com');
res.cookie('username','helloyuan.com',{maxAge:10000}); //有效期以毫秒爲單位
//獲取cookie
console.log(req.cookies);
console.log(req.cookies.username);
//刪除cookie
res.clearCookie('username');
res.render('/index', {title: '首頁'});
});