socket.io chat
2926 ワード
client:
index.html
server
index.js
サーバを起動するには:
node index.js
Webサイトを開く:http://localhost:3000
index.html
<!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; }
</style>
</head>
<!--<script src="/socket.io/socket.io.js"></script>-->
<script src="https://cdn.socket.io/socket.io-1.2.0.js"></script>
<script src="http://code.jquery.com/jquery-1.11.1.js"></script>
<script>
var socket = io.connect('http://localhost:3000');
function onBtnClicked(){
console.log('onbtnclicked');
console.log('send message: ', $('#m').val());
socket.emit('message', $('#m').val());
$('#m').val('');
// return false;
}
socket.on('message', function(data){
console.log('from server: ', data);
// socket.emit('message', {my:'data'});
$('#messages').append($('<li>').text(data));
});
</script>
<body>
<ul id="messages"></ul>
<form>
<input id="m" autocomplete="off" /><button type="button" id="btn" onclick="onBtnClicked()">Send</button>
</form>
</body>
</html>server
index.js
/**
* Created by zhaojm on 14/11/19.
*/
var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
app.get('/', function(req, res){
res.sendFile(__dirname + '/index.html');
});
io.on('connection', function(socket){
console.log('a user connected');
socket.on('disconnect', function(){
console.log('user disconnected');
});
//socket.emit('isopen');
socket.on('message', function(data){
console.log('from client: ' + data);
//socket.emit('message', data); // socket client
//socket.broadcast.emit('message', data);// ，
io.emit('message', data); // socket，
});
});
http.listen(3000, function(){
console.log('listening on *:3000');
});サーバを起動するには:
node index.js
Webサイトを開く:http://localhost:3000