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我正在学习 NodeTuts上的教程。我正在尝试使用socket.io让聊天服务器正常工作。

我可以很好地启动节点实例,并且当我这样做时我会收到“socket.io 准备就绪 - 接受连接”消息。当我将浏览器指向 localhost:8888 时,我也得到了来自 template.html 的 html 表单,所以一切看起来都很好。不过,我似乎从未建立过套接字连接,也从未看到“已收到连接”日志或“欢迎使用聊天服务器”消息。

任何想法是什么问题?

var fs, http, io, server, socket, sys;
  http = require('http');
  fs = require('fs');
  sys = require('sys');
  io = require('socket.io');
  server = http.createServer(function(req, res) {
    var rs;
    console.log('server started');
    res.writeHead(200, {
      'Content-Type': 'text/html'
    });
    rs = fs.createReadStream(__dirname + '/template.html');
    return sys.pump(rs, res);
  });
  socket = io.listen(server);
  socket.on('connection', function(client) {
    var username;
    console.log('Connection received');
    client.send('Welcome to the chat server');
    client.send('Please enter a username');
    return client.on('message', function(message) {
      if (!username) {
        username = message;
        return client.send("Hi " + username + "!");
      } else {
        return socket.broadcast("" + username + ": " + message);
      }
    });
  });
  server.listen(8888);

这是 template.html 的 JS 部分

<script src="/socket.io/socket.io.js"></script>
<script>
    $(function() {
      socket = new io.Socket('localhost', {port: 8888});
      socket.on('message', function(message) {
        var data = message.data
        data = data.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
        console.log( data );
        $('#log ul').append('<li>' + data + '</li>');
        window.scrollBy(0, 1000000000000000);
        entry_el.focus();
      });


      var entry_el = $('#entry');
      entry_el.keypress(function(event) {
        if (event.keyCode != 13) return;
        var msg = entry_el.attr('value');
        // if the message is not empty
        if (msg) {
            socket.send(msg);
            entry_el.attr('value', '');
        }
      });
    });
  </script>
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1 回答 1

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我相信您需要立即调用socket.connect();您的客户端代码socket = new io.Socket('localhost', {port: 8888});

于 2011-06-02T23:54:06.997 回答