1、先安装express以及中间件cookie-parser
npm install express
npm install cookie-parser
2、案例如下
var express = require('express'); var cookieParser = require('cookie-parser'); //引用中间件 var app = new express(); //创建实例 app.use(cookieParser());//设置中间件 app.get('/set',function (req,res) { res.cookie("username",'yangwenjie',{maxAge:60000}); //设置cookie和过期时间 res.send("set cookie sucessful"); }) app.get('/get',function (req,res) { console.log(req.cookies); //拿取cookie res.send("set cookie sucessful"); }) app.get('/',function (req,res) { res.send("index"); }) app.listen('8001');