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composer require swoole/swoole

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php think make:command WebSocket

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<?php
namespace appcommand;

use swoole_websocket_server;
use swoole_http_request;
use thinkconsoleCommand;
use thinkconsoleInput;
use thinkconsoleOutput;

class WebSocket extends Command
{
    protected function configure()
    {
        // ¸øÏÂÁîÆðÒ»¸öÃû×Ö
        $this->setName('swoole:websocket')
            ->setDescription('Start websocket server');
    }

    protected function execute(Input $input, Output $output)
    {
        $server = new swoole_websocket_server("0.0.0.0", 9501);

        // ¼àÌýWebSocketÅþÁ¬·­¿ªÊÂÎñ
        $server->on('open', function (swoole_websocket_server $server, swoole_http_request $request) {
            echo "connection open: {$request->fd}
";
        });

        // ¼àÌýWebSocketÐÂÎÅÊÂÎñ
        $server->on('message', function (swoole_websocket_server $server, $frame) {
            echo "received message: {$frame->data}
";

            // ¹ã²¥ÐÂΟøËùÓÐÅþÁ¬µÄ¿Í»§¶Ë
            $server->push($frame->fd, "this is server");
        });

        // ¼àÌýWebSocketÅþÁ¬¹Ø±ÕÊÂÎñ
        $server->on('close', function ($ser, $fd) {
            echo "connection close: {$fd}
";
        });

        $server->start();
    }
}

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php think swoole:websocket

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>WebSocket</title>
</head>
<body>
    <script>
        var ws = new WebSocket('ws://localhost:9501');

        ws.onopen = function(){
            console.log('WebSocket open');
        };

        ws.onmessage = function(ev){
            console.log('WebSocket message: ' + ev.data);
        };

        ws.onclose = function(){
            console.log('WebSocket close');
        };
    </script>
</body>
</html>

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