## 需要cookie-parser ~~~ const express = require('express'); const cookieParser = require("cookie-parser"); const server = express(); server.listen(8088); server.use(cookieParser("qwert")) server.use('/',function(req,res){ res.secret ="qwert"; res.cookie("name","cheng",{signed:true}); res.send("ok") }) ~~~ ~~~ res.cookie("name","cheng",{signed:true}); //读取cookie res.cookies['name'] //删除cookie res.clearCookie('name') ~~~