我在 ExpressJS 4 中使用会话时遇到问题。
我尝试在server.js(我在其中设置应用程序的配置)和routes.js(在其中定义我的路线)中添加会话。这就是我不断得到的:
TypeError: Cannot read property 'connect.sid' of undefined at Layer.session [as handle]
(/Users/larissaleite/Documents/Routing/node_modules/express-session/index.js:115:32) at trim_prefix
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:226:17) at c
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:198:9) at
Function.proto.process_params
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:251:12) at next
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:189:19) at
Layer.expressInit [as handle]
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/middleware/init.js:23:5) at
trim_prefix (/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:226:17)
at c (/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:198:9) at
Function.proto.process_params
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:251:12) at next
(/Users/larissaleite/Documents/Routing/node_modules/express/lib/router/index.js:189:19)
我像这样定义了会话(server.js):
var express = require('express');
var app = express(); // create app with express
var connect = require('connect');
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
var passport = require('passport');
var session = require('express-session');
connect()
.use(cookieParser('appsecret'))
.use(function(req, res, next){
res.end(JSON.stringify(req.cookies));
});
app.use(session({ secret: 'appsecret', saveUninitialized: true, cookie: { secure: true, maxAge: new Date(Date.now() + 3600000) }, key:'connect.sid' }));
我也尝试过拔掉钥匙。
当尝试在routes.js中定义会话时,它是这样的:
app.use(session({ secret: 'appsecret', saveUninitialized: true, cookie: { secure: true, maxAge: new Date(Date.now() + 3600000) }, key:'connect.sid' }));
app.use(passport.initialize());
app.use(passport.session());
移除所有连接。 Express 4 是一次重大改革,删除了连接作为依赖项。删除所有需要/调用连接的部分。还要更新所有依赖项。
根据 Express-Session 中间件模块的文档:
name - cookie name (formerly known as key). (default: 'connect.sid')
不要传递任何东西,它将使用express sid。我已经复制了您的代码并在没有连接的情况下对其进行了测试,但没有收到这些错误。另外,我已将
resave
键添加到 session
配置对象以静音已弃用的警告(如果您运行的是最新的 Express 4 版本)。
var express = require('express');
var app = express(); // create app with express
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
var passport = require('passport');
var session = require('express-session');
app.use(session({
secret: 'appsecret',
resave: false,
saveUninitialized: true,
cookie: {
secure: true,
maxAge: new Date(Date.now() + 3600000)
}
}));
app.listen(1234);
首先将您的节点版本更新到最新版本:
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
更新所有依赖包:
npm i -g npm-check-updates
ncu -u
npm install
如果需要的话
npm audit fix
通过 npm install express-session 升级软件包以安装最新版本。它应该可以解决问题