Node.js Socket.io聊天示例不起作用
我刚刚开始与node.js，我在我的主机上安装节点，添加一些插件，我下载socket.io示例聊天
https://github.com/socketio/chat-example.git
当我运行它（节点index.js）我听到控制台上“聆听*：3000”的警报，它看起来像一切都会工作，但是当我到我的网站上端口3000（coracko.com:3000）聊天是可见的但消息不发送，也没有发生。
var app = require('express')(); var http = require('http').Server(app); var io = require('socket.io')(http); var port = process.env.PORT || 3000; app.get('/', function(req, res){ res.sendFile(__dirname + '/index.html'); }); io.on('connection', function(socket){ socket.on('chat message', function(msg){ io.emit('chat message', msg); }); }); http.listen(port, function(){ console.log('listening on *:' + port); }); <!doctype html> <html> <head> <title>Socket.IO chat</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { font: 13px Helvetica, Arial; } form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; } form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; } form button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px; } #messages { list-style-type: none; margin: 0; padding: 0; } #messages li { padding: 5px 10px; } #messages li:nth-child(odd) { background: #eee; } #messages { margin-bottom: 40px } </style> </head> <body> <ul id="messages"></ul> <form action=""> <input id="m" autocomplete="off" /><button>Send</button> </form> <script src="https://cdn.socket.io/socket.io-1.2.0.js"></script> <script src="https://code.jquery.com/jquery-1.11.1.js"></script> <script> $(document).ready(function() { $(function () { var socket = io(); $('form').submit(function(){ socket.emit('chat message', $('#m').val()); $('#m').val(''); return false; }); socket.on('chat message', function(msg){ $('#messages').append($('<li>').text(msg)); window.scrollTo(0, document.body.scrollHeight); }); }); }); </script> </body> </html>
如果有问题，脚本现在在coracko.com:3000上运行