请检查您的Express版本。Express最近已更新为API更改的3.0alpha。如果是3.0，则可以将代码更改为以下形式：
var express = require('express') , http = require('http');var app = express();var server = http.createServer(app);var io = require('socket.io').listen(server);...server.listen(8000);与连接相同的问题：https
:
//github.com/senchalabs/connect/issues/500#issuecomment-4620773
