Question

尝试了不同的方法，但数据最多只发送一个或两个客户端。如何将数据发送到连接到服务器的所有客户端？我做错了什么？

Server.js：


    var PORT = 3000;

    var options = {
        // 'log level': 0
    };

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

    app.get('/', function (req, res) {
      res.sendfile(__dirname + '/attantions/templates/.default/template.php');
    });

    io.sockets.on('connection', function (client) {
      client.on('attantion', function (data) {
        try {
          // Tried so
          io.sockets.volatile.emit('attantion', data);
          // And tried so
          io.sockets.emit('attantion', data);
          client.emit('attantion', data);
          client.broadcast.emit('attantion', data );
        } catch (e) {
          console.log(e);
          client.disconnect();
        }
      });
    });

Client.js：


    socket.emit("attantion", data);
    socket.on('attantion', function (data) {
      pushData(data);
    });

Answer 1

有关socket.io消息的不同选项，请参阅此文章

Send response to all clients except sender (Socket.io)

io.sockets.on('connection', function (client) {
  client.on('attantion', function (data) {
    //client.emit('attantion', data ); // This will send it to only the client 
    //client.broadcast.emit('attantion', data); // This will send it to everyone but this client
    io.emit('attantion', data);  // This will send it to all attached sockets. 

  });
});

修改

我想知道这篇文章是否可以帮到你？

Socket.io - Cannot load file

我很好奇如何通过node.js将php文件发送到客户端？你在使用另一个框架吗？

您能展示一下客户端代码的更多内容吗？加载lib和套接字的实例化。

为什么不发送数据io.sockets.emit和socket.broadcast.emit

1 个答案: