安装 淘宝镜像 npm install express --registry=https://registry.npm.taobao.org
var app = require('http').createServer(handler),
io = require('socket.io').listen(app), fs = require('fs')app.listen(8080);
io.set('log level', 1);//将socket.io中的debug信息关闭
function handler (req, res) {
fs.readFile(__dirname + '/index.html',function (err, data) {
if (err) {
res.writeHead(500);
return res.end('Error loading index.html');
}
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(data);
});
}
io.sockets.on('connection', function (socket) {
socket.emit('news', { hello: 'world' });
socket.on('my other event', function (data) {
console.log(data);
});
});
客户端
<script type="text/javascript" src="http://localhost:8080/socket.io/socket.io.js"></script>
<script type="text/javascript">
var socket = io.connect('http://localhost:8080');
socket.on('news', function (data) {
alert(data.hello);
socket.emit('my other event', { my: 'data' });
});
</script>
