NodeJS + ExpressJS + RedisStore会话未定义

• Z时代
• 2024-01-10
• 分类：问答

我曾就同一问题经历过许多问题，但各种解决方案都无济于事。我正在使用Redis将会话存储在群集的NodeJS +

ExpressJS应用程序中，但是该会话始终是未定义的。这是我的Express设置：

var express = require('express'),
    RedisStore = require('connect-redis')(express),
    Config = require('./config/config'),
    cluster = require("cluster"),
    QueryManager = require('./service/query_manager'),
    app = express();
// --- Index --- //
function renderSplash(req, res) {
    res.render(...);
}
function renderIndex(req, res) {
    res.render(...);
}
app.get('/', function(req, res) {
    if(req.session.user === null) {
        renderSplash(req, res);
    } else {
        renderIndex(req, res);
    }
});
// --- Configuration ---//
//EJS
app.engine('.html', require('ejs').__express);
app.set('view engine', 'html');
app.set('views', __dirname + '/public');
app.configure(function() {
    //Session
    app.use(express.cookieParser());
    app.use(express.session({
        store: new RedisStore({
            host: Config.redis.host,
            port: Config.redis.port
        }),
        secret: 'Its a secret.',
        cookie: { secure: true }
    }));
    app.use(validateRequest); //Ensures we're at www. to hit the LB
    app.use(express.static(__dirname+'/public'));
    app.use(express.compress);
    app.use(app.router);
});

即使不使用Redis存储，我也会收到以下错误： TypeError: Cannot read property 'user' of undefined

回答：

您必须在路由之前实例化会话。

var express = require('express'),
    RedisStore = require('connect-redis')(express),
    Config = require('./config/config'),
    cluster = require("cluster"),
    QueryManager = require('./service/query_manager'),
    app = express();
app.use(express.cookieParser());
app.use(express.session({
    store: new RedisStore({
        host: Config.redis.host,
        port: Config.redis.port
    }),
    secret: 'Its a secret.',
    cookie: { secure: true }
}));
// --- Index --- //
function renderSplash(req, res) {
    res.render(...);
}
function renderIndex(req, res) {
    res.render(...);
}
app.get('/', function(req, res) {
    if(req.session.user === null) {
        renderSplash(req, res);
    } else {
        renderIndex(req, res);
    }
});

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