纯PHP实现Web终端：实时获取终端返回内容

要实现一个纯PHP的Web终端，可以使用WebSocket来实现实时获取终端返回内容。\n\n以下是一个简单的示例代码：\n\nindex.html：\nhtml\n<!DOCTYPE html>\n<html>\n<head>\n <title>Web终端</title>\n <style>\n #terminal {\n width: 600px; \n height: 400px; \n background-color: black; \n color: white; \n font-family: monospace; \n overflow: auto; \n }\n </style>\n</head>\n<body>\n <div id="terminal"></div>\n\n <script>\n var terminal = document.getElementById('terminal');\n var socket = new WebSocket('ws://localhost:8000');\n\n socket.onmessage = function(event) {\n var data = event.data; \n terminal.innerHTML += data + '<br>';\n terminal.scrollTop = terminal.scrollHeight; \n };\n\n document.onkeydown = function(event) {\n var key = event.key; \n socket.send(key); \n };\n </script>\n</body>\n</html>\n\n\nserver.php：\nphp\n<?php\n// 创建WebSocket服务器\n$server = new swoole_websocket_server("0.0.0.0", 8000);\n\n// 监听WebSocket连接打开事件\n$server->on('open', function ($server, $request) {\n echo "新连接：{$request->fd}\n";\n});\n\n// 监听WebSocket消息事件\n$server->on('message', function ($server, $frame) {\n // 执行终端命令并返回结果\n $command = $frame->data; \n $result = shell_exec($command);\n\n // 将结果发送给客户端\n $server->push($frame->fd, $result);\n});\n\n// 监听WebSocket连接关闭事件\n$server->on('close', function ($server, $fd) {\n echo "连接关闭：{$fd}\n";\n});\n\n// 启动WebSocket服务器\n$server->start();\n\n\n通过运行 php server.php 启动WebSocket服务器后，可以访问index.html，即可在Web界面上输入命令并实时获取终端的返回结果。