express session http是没有状态的协议, 需要web框架自己实现会话和会话管理工作. express框架有session插件可以使用. 见如下介绍: https://www.tutorialspoint.com/expressjs/expressjs_sessions.htm We will need the Express-session, so install it using the following code. npm install --save express-s
进行session存储时需引用中间件,app.js var express=require('express'); var app=express(); var cookieParser = require('cookie-parser'); var session = require('express-session'); app.use(cookieParser('sessiontest')); app.use(session({ secret: 'sessiontest',//与cooki