skv*_*kvp 2 session redis node.js express-session
我正在尝试使用 NodeJs 和 Session。我跟踪了许多网站的代码。我想提到的最简单的一个是 使用 Redis 进行会话管理的示例 NodeJS 代码
其余论坛也有类似的情况。我面临的问题是,当我不使用 Redis 作为会话存储时,一切正常。下面是从 redis 会话切换到内存会话的代码更改。
app.use(session({
secret: 'secret$%^134',
resave: false,
saveUninitialized: false,
cookie: {
secure: false, // if true only transmit cookie over https
httpOnly: false, // if true prevent client side JS from reading the cookie
maxAge: 1000 * 60 * 10 // session max age in miliseconds
}
}))
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但是当我将 Redis 存储放回到示例中时,我开始收到异常Client is close。启用Redis会话存储的代码是
const RedisStore = connectRedis(session)
//Configure redis client
const redisClient = redis.createClient({
host: 'localhost',
port: 6379
})
redisClient.on('error', function (err) {
console.log('Could not establish a connection with redis. ' + err);
});
redisClient.on('connect', function (err) {
console.log('Connected to redis successfully');
});
//Configure session middleware
app.use(session({
store: new RedisStore({ client: redisClient }),
secret: 'secret$%^134',
resave: false,
saveUninitialized: false,
cookie: {
secure: false, // if true only transmit cookie over https
httpOnly: false, // if true prevent client side JS from reading the cookie
maxAge: 1000 * 60 * 10 // session max age in miliseconds
}
}));
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经过大量阅读后,我在 npmjs 网站上得到了答案。 redis-connect 包的 npmjs 站点
版本 4 之后,需要进行少量代码更改。需要启用“传统模式”,并且需要在代码中进行明确的“连接”调用。
更改后的工作代码如下。添加了更改的注释。
const RedisStore = connectRedis(session)
//Configure redis client
const redisClient = redis.createClient({
host: 'localhost',
port: 6379,
legacyMode:true //********New Addition - set legacy mode to true.*******
})
redisClient.on('error', function (err) {
console.log('Could not establish a connection with redis. ' + err);
});
redisClient.on('connect', function (err) {
console.log('Connected to redis successfully');
});
redisClient.connect(); //******** New Addition - Explicite connect call *********
//Configure session middleware
app.use(session({
store: new RedisStore({ client: redisClient }),
secret: 'secret$%^134',
resave: false,
saveUninitialized: false,
cookie: {
secure: false, // if true only transmit cookie over https
httpOnly: false, // if true prevent client side JS from reading the cookie
maxAge: 1000 * 60 * 10 // session max age in miliseconds
}
}));
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