Socket.io 1.0.5:如何保存会话变量？

Question

不幸的是,socket.io开发团队决定弃用函数set()和get().问题是这两个函数允许我们将变量保存到会话中.

所以我的问题是:socket.io 1.0.5上的下列代码相当于什么？

socket.set('mySessionVar', 'myValue');

socket.get('mySessionVar', function (error, mySessionVar) {
    console.log('I have a super variable save in the session : '+mySessionVar);
    socket.emit('mySessionVar', mySessionVar);
});

谢谢你的帮助,纪尧姆.

Answer 1

socket.io-handshake是socket.io 1.x的会话中间件.它建立在快速会话和cookie解析器之上.我知道我们正在谈论socket.io而不是表达,但它仍然适用于socket.io.此示例将使您的会话在redis商店中生效.

var expressSession = require('express-session');
var connectRedis = require('connect-redis')(expressSession);
var cookieParser = require('cookie-parser');
var config = { session: { secret:'secret', key: 'bus.io', store: new connectRedis() } };
var handshake = require('socket.io-handshake');
var io = require('socket.io')(3000);
io.use(handshake(config.session));
io.on('connection', function (socket) {
  socket.handshake.session.data = "whatever data I want";
  socket.handshake.session.save();
});

Answer 2

您的"套接字"是一个Javascript对象,您可以向其添加任何其他键/值.

socket['mySessionVar'] = 'myValue';
console.log( "I have a super variable save in the session: " + socket['mySessionVar']);