我忙着与nodejs 6 socketio 1.7.2 express 4.14.1的聊天应用程序 . 我可以运行节点index.js但是一旦我访问我的页面simplechat.html它会抛出以下错误 . 请帮忙
/root/Chat/node_modules/express/lib/response.js:1013 setImmediate（function（）{^ ReferenceError：setImmediate未在Array.onfinish [as 0]中定义（/ root / Chat / node_modules / express / lib / response.js：1013：5）在onFinish的监听器（/root/Chat/node_modules/express/node_modules/on-finished/index.js:169:15）（/ root / Chat / node_modules / express / node_modules / on-）完成/ index.js：100：5）在ServerResponse.onevent回调（/root/Chat/node_modules/express/node_modules/on-finished/node_modules/ee-first/index.js:55:10）（/ root / Chat / node_modules / express / node_modules / on-finished / node_modules / ee-first / index.js：93：5）在ServerResponse.EutgoingMessage._finish的ServerResponse.EventEmitter.emit（events.js：126：20）处 . js：837：8）在ServerResponse.OutgoingMessage.end（http.js：822：10）atEnd（stream.js：66：10）在EventEmitter.emit（events.js：126：20）
Package json file
{
"name": "Chat",
"version": "0.0.0",
"description": "ERROR: No README.md file found!",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"repository": "",
"author": "",
"license": "BSD",
"dependencies": {
"express": "~4.14.1",
"socket.io": "~1.7.2"
}
Index.js File
// We need to use the express framework: have a real web server that knows how to send mime types etc.
var express=require('express');
// Init globals variables for each module required
var app = express()
, http = require('http')
, server = http.createServer(app)
, io = require('socket.io').listen(server);
// Indicate where static files are located
//app.configure(function () {
app.use(express.static(__dirname + '/'));
//});
// launch the http server on given port
server.listen(8000,'***.***.**.**');
console.log('Server running at http://***.***.***.**:8000/');
// routing
app.get('/', function (req, res) {
res.sendFile(__dirname + '/simpleChat.html');
});
// usernames which are currently connected to the chat
var usernames = {};
io.sockets.on('connection', function (socket) {
// when the client emits 'sendchat', this listens and executes
socket.on('sendchat', function (data) {
// we tell the client to execute 'updatechat' with 2 parameters
io.sockets.emit('updatechat', socket.username, data);
});
// when the client emits 'adduser', this listens and executes
socket.on('adduser', function(username){
// we store the username in the socket session for this client
socket.username = username;
// add the client's username to the global list
usernames[username] = username;
// echo to client they've connected
socket.emit('updatechat', 'SERVER', 'you have connected');
// echo globally (all clients) that a person has connected
socket.broadcast.emit('updatechat', 'SERVER', username + ' has connected');
// update the list of users in chat, client-side
io.sockets.emit('updateusers', usernames);
});
// when the user disconnects.. perform this
socket.on('disconnect', function(){
// remove the username from global usernames list
delete usernames[socket.username];
// update list of users in chat, client-side
io.sockets.emit('updateusers', usernames);
// echo globally that this client has left
socket.broadcast.emit('updatechat', 'SERVER', socket.username + ' has disconnected');
});
});
SimpleChat.html
<script src="https://cdn.socket.io/socket.io-1.4.5.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
<script>
var socket = io.connect(); // we might pass the URL of the WS server as parameter here
// on connection to server, ask for user's name with an anonymous callback
socket.on('connect', function(){
// call the server-side function 'adduser' and send one parameter (value of prompt)
socket.emit('adduser', prompt("What's your name?"));
});
// listener, whenever the server emits 'updatechat', this updates the chat body
socket.on('updatechat', function (username, data) {
$('#conversation').append('<b>'+username + ':</b> ' + data);
});
// listener, whenever the server emits 'updateusers', this updates the username list
socket.on('updateusers', function(data) {
$('#users').empty();
$.each(data, function(key, value) {
$('#users').append('<div>' + key + '</div>');
});
});
// on load of page
$(function(){
// when the client clicks SEND
$('#datasend').click( function() {
var message = $('#data').val();
$('#data').val('');
// tell server to execute 'sendchat' and send along one parameter
socket.emit('sendchat', message);
});
// when the client hits ENTER on their keyboard
$('#data').keypress(function(e) {
if(e.which == 13) {
$(this).blur();
$('#datasend').focus().click();
}
});
});
</script>
<div style="float:left;width:100px;border-right:1px solid black;height:300px;padding:10px;overflow:scroll-y;">
<b>USERS</b>
<div id="users"></div>
</div>
<div style="float:left;width:300px;height:250px;overflow:scroll-y;padding:10px;">
<div id="conversation"></div>
<input id="data" style="width:200px;">
<input type="button" id="datasend" value="send">
</div>