websocket简单样例

服务端

var server = require('ws').Server;
var serv = new server({port:8080});


serv.on('connection',function(socket){
    socket.send('hello client')
    socket.on('message', function (data) {
        console.log('receive:',data);
        socket.send('receive:'+data)
    })
})

页面客户端

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<script>
    var socket = new WebSocket('ws://localhost:8080');
    socket.onopen = function(){
        console.log('链接成功');
        socket.send('hello server');

    }
    socket.onmessage = function(e){
        console.log(e.data)
    }

</script>
</body>
</html>