利用php和Websocket开发在线音乐播放功能

require 'vendor/autoload.php';

use RatchetServeriOServer;
use RatchetHttphttpserver;
use RatchetWebSocketWsServer;
use MyAppChat;

$server = ioServer::factory(
    new HttpServer(
        new WsServer(
            new Chat()
        )
    ),
    8080
);

$server->run();

namespace MyApp;

use RatchetMessageComponentInterface;
use RatchetConnectionInterface;

class Chat implements MessageComponentInterface {
    protected $clients;

    public function __construct() {
        $this->clients = new SplObjectStorage;
    }

    public function onOpen(ConnectionInterface $conn) {
        $this->clients->attach($conn);
        echo "New connection! ({$conn->resourceId})
";
    }

    public function onMessage(ConnectionInterface $from, $msg) {
        // 处理客户端发送的消息
        // 实现音乐播放控制

        foreach ($this->clients as $client) {
            $client->send($msg);
        }
    }

    public function onClose(ConnectionInterface $conn) {
        $this->clients->detach($conn);
        echo "Connection {$conn->resourceId} has disconnected
";
    }

    public function onError(ConnectionInterface $conn, Exception $e) {
        echo "An error has occurred: {$e->getMessage()}
";
        $conn->close();
    }
}

var ws = new WebSocket("ws://localhost:8080");

ws.onopen = function() {
    // 连接成功后的处理逻辑
};

ws.onmessage = function(evt) {
    // 接收到服务器发送的消息后的处理逻辑
};

ws.onclose = function() {
    // 连接关闭后的处理逻辑
};

ws.onerror = function() {
    // 发生错误后的处理逻辑
};

function playMusic() {
    // 发送播放音乐的命令
}

function pauseMusic() {
    // 发送暂停音乐的命令
}

// 其他控制音乐播放的方法