如何正確設置socket.io端口？獲得socket.io.js 404

Question

我有以下設置，根據文檔：

客戶端：

<script src="/socket.io/socket.io.js"></script> 
var socket = io.connect(); // TIP: .connect with no args does auto-discovery 

服務器端：

var express = require('express'), 
    routes = require('./routes'), 
    user = require('./routes/user'), 
    http = require('http'), 
    path = require('path'); 
    app = express(), 
    server = http.createServer(app).listen(80), 
    io = require('socket.io').listen(server); 


app.configure(function(){ 
    app.set('port', process.env.PORT || 3000); 
    app.set('views', __dirname + '/views'); 
    app.set('view engine', 'jade'); 
    app.use(express.logger('dev')); 
    app.use(express.bodyParser()); 
    app.use(express.methodOverride()); 
    app.use(app.router); 
    app.use(express.static(path.join(__dirname, 'public'))); 
}); 

app.get('/', routes.index); 
app.get('/users', user.list); 

http.createServer(app).listen(app.get('port'), function(){ 
    console.log("Express server listening on port " + app.get('port')); 
}); 

爲什麼我收到

GET http://localhost:5000/socket.io/socket.io.js 404 (Not Found) 

我試過切換到server = http.createServer(app).listen(process.env.PORT || 3000),然後我得到warn: error raised: Error: listen EACCES和相同的404.我在這裏錯過了關於端口使用情況的內容？

Answer 1

如果沒有特殊權限，則無法在端口80上創建服務器。另一方面，您正在嘗試創建2個服務器（一個在端口80上，另一個在端口3000上）。

這裏（的一部分），我使用的是什麼爲我的項目：

var express = require('express') 
    , app = express() 
    , server = require('http').createServer(app) 
    , sio = require('socket.io').listen(server) 

app.configure(function(){ 
    app.set('port', process.env.PORT || 3000); 
    app.set('views', __dirname + '/views'); 
    app.set('view engine', 'jade'); 
    app.use(express.logger('dev')); 
    app.use(express.bodyParser()); 
    app.use(express.methodOverride()); 
    app.use(app.router); 
    app.use(express.static(path.join(__dirname, 'public'))); 
}); 

// configure your socket.io instance here 

server.listen(app.get('port'), function() { 
    // server started 
});