socketio

var http = require('http');
var sio = require('socket.io');
var fs = require('fs');
var querystring = require('querystring');
var comModel = require('./model/CommentModel.js');
var LiveModel = require('./model/LiveModel.js');
var server =  http.createServer(function(req ,res){
    res.writeHead(200,{'content-type':'text/html'});
    res.end('');
});
server.listen(8089);
var io  = sio.listen(server);
    //端口号是否被占用
    io.on('error',function(e){
        if(e.code == 'EADDRINUSE'){
            console.log('端口号被占用');
        }
    });
var connectionList = {};
    io.sockets.on('connection', function (socket) {
        //客户端连接时，保存socketId和用户名
        var socketId = socket.id;
        console.log(socketId);
        connectionList[socketId] = {
            socket: socket
        };


        //用户进入聊天室事件，向其他在线用户广播其用户名
        socket.on('join', function (data) {
            console.log(data);
            socket.join(data.productId);
            console.log(data.nickname+"进入聊天室"+data.productId);
            connectionList[socketId].username = data.nickname;
            connectionList[socketId].userno = data.userno;
            connectionList[socketId].productID = data.productId;
            //socket.broadcast.emit('thisroom', data);
           // io.sockets.in(data.productId).emit('initroom',socketId);
　　　　}
}