mqtt-websocket-test-client.html 29.5 KB
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta content="width=device-width, initial-scale=1.0" name="viewport">
    <title>MQTT WebSocket 测试客户端</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 20px;
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 10px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

        .header h1 {
            font-size: 28px;
            margin-bottom: 10px;
        }

        .header p {
            opacity: 0.9;
        }

        .info-box {
            background: #f8f9fa;
            border-left: 4px solid #667eea;
            padding: 15px;
            margin: 20px;
            border-radius: 5px;
        }

        .info-box h3 {
            color: #667eea;
            margin-bottom: 10px;
            font-size: 16px;
        }

        .info-box ul {
            margin-left: 20px;
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }

        .info-box code {
            background: #e9ecef;
            padding: 2px 6px;
            border-radius: 3px;
            font-family: 'Courier New', monospace;
            color: #d63384;
        }

        .content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            padding: 30px;
        }

        .panel {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 20px;
        }

        .panel h2 {
            color: #667eea;
            margin-bottom: 20px;
            font-size: 20px;
            border-bottom: 2px solid #667eea;
            padding-bottom: 10px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 5px;
            color: #333;
            font-weight: 500;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
            font-family: monospace;
        }

        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s;
        }

        .btn-primary {
            background: #667eea;
            color: white;
        }

        .btn-primary:hover {
            background: #5568d3;
        }

        .btn-success {
            background: #28a745;
            color: white;
        }

        .btn-success:hover {
            background: #218838;
        }

        .btn-danger {
            background: #dc3545;
            color: white;
        }

        .btn-danger:hover {
            background: #c82333;
        }

        .btn-warning {
            background: #ffc107;
            color: #333;
        }

        .btn-warning:hover {
            background: #e0a800;
        }

        .btn-group {
            display: flex;
            gap: 10px;
            margin-top: 15px;
        }

        .status {
            padding: 10px;
            border-radius: 4px;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .status.disconnected {
            background: #f8d7da;
            color: #721c24;
        }

        .status.connected {
            background: #d4edda;
            color: #155724;
        }

        .status.connecting {
            background: #fff3cd;
            color: #856404;
        }

        .log-area {
            background: #1e1e1e;
            color: #d4d4d4;
            padding: 15px;
            border-radius: 4px;
            height: 400px;
            overflow-y: auto;
            font-family: 'Courier New', monospace;
            font-size: 12px;
            line-height: 1.6;
        }

        .log-entry {
            margin-bottom: 5px;
        }

        .log-entry.info {
            color: #4ec9b0;
        }

        .log-entry.success {
            color: #6a9955;
        }

        .log-entry.error {
            color: #f48771;
        }

        .log-entry.warning {
            color: #dcdcaa;
        }

        .stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-top: 15px;
        }

        .stat-item {
            background: white;
            padding: 15px;
            border-radius: 4px;
            text-align: center;
        }

        .stat-item .value {
            font-size: 24px;
            font-weight: bold;
            color: #667eea;
        }

        .stat-item .label {
            font-size: 12px;
            color: #666;
            margin-top: 5px;
        }

        @media (max-width: 768px) {
            .content {
                grid-template-columns: 1fr;
            }
        }
    </style>
</head>
<body>
<div class="container">
    <div class="header">
        <h1>🚀 MQTT WebSocket 测试客户端</h1>
        <p>RuoYi-Vue-Pro IoT 模块 - MQTT over WebSocket 在线测试工具</p>
    </div>

    <!-- 协议格式说明 -->
    <div class="info-box">
        <h3>📌 标准协议格式说明</h3>
        <ul>
            <li><strong>Topic 格式:</strong><code>/sys/{productKey}/{deviceName}/thing/property/post</code></li>
            <li><strong>Client ID 格式:</strong><code>{productKey}.{deviceName}</code> 例如:<code>zOXKLvHjUqTo7ipD.ceshi001</code>
            </li>
            <li><strong>Username 格式:</strong><code>{deviceName}&{productKey}</code> 例如:<code>ceshi001&zOXKLvHjUqTo7ipD</code>
            </li>
            <li><strong>消息格式(Alink 协议):</strong>
                <pre style="background: #e9ecef; padding: 10px; border-radius: 5px; margin-top: 5px; overflow-x: auto;">
{
  "id": "消息 ID(唯一标识)",
  "version": "1.0",
  "method": "thing.property.post",
  "params": {
    "temperature": 25.5,
    "humidity": 60
  }
}</pre>
            </li>
            <li><strong>常用 Topic(下行 - 服务端推送):</strong>
                <ul style="margin-top: 5px;">
                    <li>属性设置:<code>/sys/{pk}/{dn}/thing/property/set</code></li>
                    <li>服务调用:<code>/sys/{pk}/{dn}/thing/service/invoke</code></li>
                    <li>配置推送:<code>/sys/{pk}/{dn}/thing/config/push</code></li>
                    <li>OTA 升级:<code>/sys/{pk}/{dn}/thing/ota/upgrade</code></li>
                </ul>
            </li>
            <li><strong>常用 Topic(上行 - 设备上报):</strong>
                <ul style="margin-top: 5px;">
                    <li>状态更新:<code>/sys/{pk}/{dn}/thing/state/update</code></li>
                    <li>属性上报:<code>/sys/{pk}/{dn}/thing/property/post</code></li>
                    <li>事件上报:<code>/sys/{pk}/{dn}/thing/event/post</code></li>
                    <li>OTA 进度:<code>/sys/{pk}/{dn}/thing/ota/progress</code></li>
                </ul>
            </li>
        </ul>
    </div>

    <div class="content">
        <!-- 连接配置面板 -->
        <div class="panel">
            <h2>📡 连接配置</h2>

            <div class="status disconnected" id="statusBar">
                ⚫ 未连接
            </div>

            <div class="form-group">
                <label>服务器地址</label>
                <input id="serverUrl" placeholder="ws://host:port/path" type="text" value="ws://localhost:8083/mqtt">
                <small style="color: #666; font-size: 12px;">WebSocket 地址,支持 ws:// 和 wss://</small>
            </div>

            <div class="form-group">
                <label>Client ID</label>
                <input id="clientId" placeholder="设备客户端 ID" type="text" value="fqTn4Afs982Nak4N.jiali001">
                <small style="color: #666; font-size: 12px;">格式:{productKey}.{deviceName}</small>
            </div>

            <div class="form-group">
                <label>Username</label>
                <input id="username" placeholder="用户名" type="text" value="jiali001&fqTn4Afs982Nak4N">
                <small style="color: #666; font-size: 12px;">格式:{deviceName}&{productKey}</small>
            </div>

            <div class="form-group">
                <label>Password</label>
                <input id="password" placeholder="设备密钥"
                       type="password" value="ae10188f93febbb6b37bd57f463b2a795ae2800fab8933aef75d3c6422873f28">
                <small style="color: #666; font-size: 12px;">设备的认证密钥(Device Secret)</small>
            </div>

            <div class="btn-group">
                <button class="btn btn-success" id="connectBtn" onclick="connect()">🔌 连接</button>
                <button class="btn btn-danger" disabled id="disconnectBtn" onclick="disconnect()">🔌 断开</button>
                <button class="btn btn-warning" onclick="clearLogs()">🗑️ 清空日志</button>
            </div>

            <!-- 统计信息 -->
            <div class="stats">
                <div class="stat-item">
                    <div class="value" id="sentCount">0</div>
                    <div class="label">发送消息数</div>
                </div>
                <div class="stat-item">
                    <div class="value" id="receivedCount">0</div>
                    <div class="label">接收消息数</div>
                </div>
                <div class="stat-item">
                    <div class="value" id="errorCount">0</div>
                    <div class="label">错误次数</div>
                </div>
            </div>
        </div>

        <!-- 消息发布面板 -->
        <div class="panel">
            <h2>📤 消息发布</h2>

            <div class="form-group">
                <label>快捷主题选择(上行消息 - 设备 → 服务端)</label>
                <select id="quickPublishTopicSelect" onchange="selectQuickPublishTopic()"
                        style="width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 5px;">
                    <option value="">-- 选择上行消息类型 --</option>
                    <option value="thing.state.update">设备状态更新 (thing.state.update)</option>
                    <option value="thing.property.post">属性上报 (thing.property.post)</option>
                    <option value="thing.event.post">事件上报 (thing.event.post)</option>
                    <option value="thing.ota.progress">OTA 升级进度 (thing.ota.progress)</option>
                </select>
            </div>

            <div class="form-group">
                <label>主题 (Topic)</label>
                <input id="pubTopic" placeholder="消息主题,格式:/sys/{productKey}/{deviceName}/thing/property/post" type="text"
                       value="/sys/fqTn4Afs982Nak4N/jiali001/thing/property/post">
                <small style="color: #666; font-size: 12px;">标准格式:/sys/{productKey}/{deviceName}/thing/property/post</small>
            </div>

            <div class="form-group">
                <label>QoS 级别</label>
                <select id="pubQos">
                    <option value="0">0 - 最多一次</option>
                    <option selected value="1">1 - 至少一次</option>
                    <option value="2">2 - 刚好一次</option>
                </select>
            </div>

            <div class="form-group">
                <label>消息内容 (JSON - Alink 协议格式)</label>
                <textarea id="pubMessage" placeholder='Alink 协议格式消息'>{
  "id": "123456789",
  "version": "1.0",
  "method": "thing.property.post",
  "params": {
    "temperature": 25.5,
    "humidity": 60
  }
}</textarea>
                <small style="color: #666; font-size: 12px;">
                    Alink 协议格式:id(消息 ID)、version(协议版本)、method(方法)、params(参数)
                </small>
            </div>

            <div class="btn-group">
                <button class="btn btn-primary" onclick="publish()">📤 发布消息</button>
                <button class="btn btn-success" onclick="publishSampleData()">📊 发送样例数据</button>
            </div>

            <h2 style="margin-top: 30px;">📥 主题订阅</h2>

            <div class="form-group">
                <label>快捷主题选择(下行消息 - 服务端 → 设备)</label>
                <select id="quickTopicSelect" onchange="selectQuickTopic()"
                        style="width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 5px;">
                    <option value="">-- 选择下行消息类型 --</option>
                    <optgroup label="📥 下行消息">
                        <option value="thing.property.set">属性设置 (thing.property.set)</option>
                        <option value="thing.service.invoke">服务调用 (thing.service.invoke)</option>
                        <option value="thing.config.push">配置推送 (thing.config.push)</option>
                        <option value="thing.ota.upgrade">OTA 固件推送 (thing.ota.upgrade)</option>
                    </optgroup>
                    <optgroup label="🔄 回复主题(上行消息的回复)">
                        <option value="thing.property.post_reply">属性上报回复 (thing.property.post_reply)</option>
                        <option value="thing.event.post_reply">事件上报回复 (thing.event.post_reply)</option>
                    </optgroup>
                    <optgroup label="🔧 通配符订阅">
                        <option value="wildcard_all">订阅所有主题 (/sys/+/+/#)</option>
                        <option value="wildcard_thing">订阅所有 thing 主题 (/sys/+/+/thing/#)</option>
                        <option value="wildcard_reply">订阅所有回复主题 (/sys/+/+/#_reply)</option>
                    </optgroup>
                </select>
            </div>

            <div class="form-group">
                <label>订阅主题</label>
                <input id="subTopic" placeholder="订阅主题,格式:/sys/{productKey}/{deviceName}/thing/property/set" type="text"
                       value="/sys/fqTn4Afs982Nak4N/jiali001/thing/property/set">
                <small style="color: #666; font-size: 12px;">标准格式:/sys/{productKey}/{deviceName}/thing/method 或使用通配符
                    /sys/+/+/#</small>
            </div>

            <div class="form-group">
                <label>QoS 级别</label>
                <select id="subQos">
                    <option value="0">0 - 最多一次</option>
                    <option selected value="1">1 - 至少一次</option>
                    <option value="2">2 - 刚好一次</option>
                </select>
            </div>

            <div class="btn-group">
                <button class="btn btn-primary" onclick="subscribe()">📥 订阅</button>
                <button class="btn btn-danger" onclick="unsubscribe()">❌ 取消订阅</button>
            </div>
        </div>

        <!-- 日志面板 -->
        <div class="panel" style="grid-column: 1 / -1;">
            <h2>📝 日志输出</h2>
            <div class="log-area" id="logArea"></div>
        </div>
    </div>
</div>

<!-- 使用 MQTT.js 库 -->
<script src="https://unpkg.com/mqtt/dist/mqtt.min.js"></script>

<script>
    let client = null;
    let sentCount = 0;
    let receivedCount = 0;
    let errorCount = 0;

    // 添加日志
    function addLog(message, type = 'info') {
        const logArea = document.getElementById('logArea');
        const timestamp = new Date().toLocaleTimeString();
        const logEntry = document.createElement('div');
        logEntry.className = `log-entry ${type}`;
        logEntry.textContent = `[${timestamp}] ${message}`;
        logArea.appendChild(logEntry);
        logArea.scrollTop = logArea.scrollHeight;
    }

    // 更新状态栏
    function updateStatus(status, text) {
        const statusBar = document.getElementById('statusBar');
        statusBar.className = `status ${status}`;

        const icons = {
            'disconnected': '⚫',
            'connecting': '🟡',
            'connected': '🟢'
        };

        statusBar.textContent = `${icons[status]} ${text}`;
    }

    // 更新统计信息
    function updateStats() {
        document.getElementById('sentCount').textContent = sentCount;
        document.getElementById('receivedCount').textContent = receivedCount;
        document.getElementById('errorCount').textContent = errorCount;
    }

    // 连接到服务器
    function connect() {
        const serverUrl = document.getElementById('serverUrl').value;
        const clientId = document.getElementById('clientId').value;
        const username = document.getElementById('username').value;
        const password = document.getElementById('password').value;

        if (!serverUrl || !clientId) {
            addLog('❌ 请填写服务器地址和 Client ID', 'error');
            errorCount++;
            updateStats();
            return;
        }

        updateStatus('connecting', '正在连接...');
        addLog(`🔄 正在连接到 ${serverUrl}...`, 'info');

        const options = {
            clientId: clientId,
            username: username,
            password: password,
            clean: true,
            reconnectPeriod: 5000,
            connectTimeout: 30000,
        };

        client = mqtt.connect(serverUrl, options);

        // 连接成功
        client.on('connect', () => {
            updateStatus('connected', '已连接');
            addLog('✅ 连接成功!', 'success');
            document.getElementById('connectBtn').disabled = true;
            document.getElementById('disconnectBtn').disabled = false;
        });

        // 接收消息
        client.on('message', (topic, message) => {
            receivedCount++;
            updateStats();
            addLog(`📥 收到消息 [${topic}]: ${message.toString()}`, 'success');
        });

        // 连接错误
        client.on('error', (error) => {
            errorCount++;
            updateStats();
            addLog(`❌ 连接错误: ${error.message}`, 'error');
        });

        // 断开连接
        client.on('close', () => {
            updateStatus('disconnected', '未连接');
            addLog('🔌 连接已断开', 'warning');
            document.getElementById('connectBtn').disabled = false;
            document.getElementById('disconnectBtn').disabled = true;
        });

        // 离线
        client.on('offline', () => {
            updateStatus('disconnected', '离线');
            addLog('⚠️ 客户端离线', 'warning');
        });

        // 重连
        client.on('reconnect', () => {
            updateStatus('connecting', '正在重连...');
            addLog('🔄 正在重连...', 'info');
        });
    }

    // 断开连接
    function disconnect() {
        if (client) {
            client.end();
            addLog('👋 主动断开连接', 'info');
        }
    }

    // 发布消息
    function publish() {
        if (!client || !client.connected) {
            addLog('❌ 请先连接到服务器', 'error');
            errorCount++;
            updateStats();
            return;
        }

        const topic = document.getElementById('pubTopic').value;
        const qos = parseInt(document.getElementById('pubQos').value);
        const message = document.getElementById('pubMessage').value;

        if (!topic || !message) {
            addLog('❌ 请填写主题和消息内容', 'error');
            errorCount++;
            updateStats();
            return;
        }

        // 验证 JSON 格式
        try {
            JSON.parse(message);
        } catch (e) {
            addLog('⚠️ 消息不是有效的 JSON 格式,将作为纯文本发送', 'warning');
        }

        client.publish(topic, message, {qos: qos}, (error) => {
            if (error) {
                errorCount++;
                updateStats();
                addLog(`❌ 发布失败: ${error.message}`, 'error');
            } else {
                sentCount++;
                updateStats();
                addLog(`📤 消息已发布 [${topic}] (QoS ${qos})`, 'success');
            }
        });
    }

    // 发送样例数据
    function publishSampleData() {
        // 使用 Alink 协议格式的样例数据
        const sampleData = {
            id: Date.now().toString(),
            version: "1.0",
            method: "thing.property.post",
            params: {
                temperature: parseFloat((20 + Math.random() * 10).toFixed(2)),
                humidity: parseFloat((50 + Math.random() * 20).toFixed(2)),
                pressure: parseFloat((1000 + Math.random() * 50).toFixed(2))
            }
        };

        document.getElementById('pubMessage').value = JSON.stringify(sampleData, null, 2);
        addLog('样例数据已生成(Alink 协议格式)', 'info');
        publish();
    }

    // 获取 productKey 和 deviceName
    function getDeviceInfo() {
        const clientId = document.getElementById('clientId').value;
        const parts = clientId.split('.');

        if (parts.length !== 2) {
            addLog('❌ Client ID 格式不正确(应为 {productKey}.{deviceName}),无法生成主题', 'error');
            return null;
        }

        return {
            productKey: parts[0],
            deviceName: parts[1]
        };
    }

    // 快捷主题选择(消息发布 - 上行消息)
    function selectQuickPublishTopic() {
        const select = document.getElementById('quickPublishTopicSelect');
        const selectedValue = select.value;

        console.log('[selectQuickPublishTopic] 选择的值:', selectedValue);

        if (!selectedValue) {
            return;
        }

        const deviceInfo = getDeviceInfo();
        if (!deviceInfo) {
            return;
        }

        console.log('[selectQuickPublishTopic] 设备信息:', deviceInfo);

        // 构建标准主题,将枚举中的点号替换为斜杠
        // 例如:thing.property.post -> /sys/{pk}/{dn}/thing/property/post
        const topic = `/sys/${deviceInfo.productKey}/${deviceInfo.deviceName}/${selectedValue.replace(/\./g, '/')}`;

        console.log('[selectQuickPublishTopic] 生成的主题:', topic);

        const pubTopicInput = document.getElementById('pubTopic');
        pubTopicInput.value = topic;

        console.log('[selectQuickPublishTopic] 输入框的值已设置为:', pubTopicInput.value);

        addLog(`📋 已选择发布主题: ${topic}`, 'info');

        // 需要 reply 的消息类型(不在 REPLY_DISABLED 列表中)
        const needsReply = [
            'thing.property.post',
            'thing.event.post'
        ];

        // 如果需要 reply,自动订阅 reply 主题
        if (needsReply.includes(selectedValue)) {
            const replyTopic = `${topic}_reply`;

            if (client && client.connected) {
                // 自动订阅 reply 主题
                client.subscribe(replyTopic, {qos: 1}, (err) => {
                    if (!err) {
                        addLog(`✅ 已自动订阅回复主题: ${replyTopic}`, 'success');
                    } else {
                        addLog(`❌ 自动订阅回复主题失败: ${err.message}`, 'error');
                    }
                });
            } else {
                addLog(`💡 提示: 该消息需要订阅回复主题 ${replyTopic}`, 'warning');
            }
        }

        // 重置下拉框到默认选项
        select.selectedIndex = 0;
        console.log('[selectQuickPublishTopic] 下拉框已重置');
    }

    // 快捷主题选择(主题订阅 - 下行消息)
    function selectQuickTopic() {
        const select = document.getElementById('quickTopicSelect');
        const selectedValue = select.value;

        console.log('[selectQuickTopic] 选择的值:', selectedValue);

        if (!selectedValue) {
            return;
        }

        const subTopicInput = document.getElementById('subTopic');

        // 处理通配符订阅
        if (selectedValue === 'wildcard_all') {
            subTopicInput.value = '/sys/+/+/#';
            addLog('📋 已选择订阅主题: /sys/+/+/#(订阅所有主题)', 'info');
            console.log('[selectQuickTopic] 输入框的值已设置为:', subTopicInput.value);
            select.selectedIndex = 0;
            console.log('[selectQuickTopic] 下拉框已重置');
            return;
        } else if (selectedValue === 'wildcard_thing') {
            subTopicInput.value = '/sys/+/+/thing/#';
            addLog('📋 已选择订阅主题: /sys/+/+/thing/#(订阅所有 thing 主题)', 'info');
            console.log('[selectQuickTopic] 输入框的值已设置为:', subTopicInput.value);
            select.selectedIndex = 0;
            console.log('[selectQuickTopic] 下拉框已重置');
            return;
        } else if (selectedValue === 'wildcard_reply') {
            const deviceInfo = getDeviceInfo();
            if (!deviceInfo) {
                select.selectedIndex = 0;
                return;
            }
            subTopicInput.value = `/sys/${deviceInfo.productKey}/${deviceInfo.deviceName}/#_reply`;
            addLog(`📋 已选择订阅主题: /sys/${deviceInfo.productKey}/${deviceInfo.deviceName}/#_reply(订阅所有回复主题)`, 'info');
            console.log('[selectQuickTopic] 输入框的值已设置为:', subTopicInput.value);
            select.selectedIndex = 0;
            console.log('[selectQuickTopic] 下拉框已重置');
            return;
        }

        const deviceInfo = getDeviceInfo();
        if (!deviceInfo) {
            select.selectedIndex = 0;
            return;
        }

        console.log('[selectQuickTopic] 设备信息:', deviceInfo);

        // 构建标准主题,将枚举中的点号替换为斜杠
        // 例如:thing.property.set -> /sys/{pk}/{dn}/thing/property/set
        const topic = `/sys/${deviceInfo.productKey}/${deviceInfo.deviceName}/${selectedValue.replace(/\./g, '/')}`;

        console.log('[selectQuickTopic] 生成的主题:', topic);

        subTopicInput.value = topic;
        addLog(`📋 已选择订阅主题: ${topic}`, 'info');

        console.log('[selectQuickTopic] 输入框的值已设置为:', subTopicInput.value);

        // 重置下拉框到默认选项
        select.selectedIndex = 0;
        console.log('[selectQuickTopic] 下拉框已重置');
    }

    // 订阅主题
    function subscribe() {
        if (!client || !client.connected) {
            addLog('❌ 请先连接到服务器', 'error');
            errorCount++;
            updateStats();
            return;
        }

        const topic = document.getElementById('subTopic').value;
        const qos = parseInt(document.getElementById('subQos').value);

        if (!topic) {
            addLog('❌ 请填写订阅主题', 'error');
            errorCount++;
            updateStats();
            return;
        }

        client.subscribe(topic, {qos: qos}, (error) => {
            if (error) {
                errorCount++;
                updateStats();
                addLog(`❌ 订阅失败: ${error.message}`, 'error');
            } else {
                addLog(`📥 已订阅主题 [${topic}] (QoS ${qos})`, 'success');
            }
        });
    }

    // 取消订阅
    function unsubscribe() {
        if (!client || !client.connected) {
            addLog('❌ 请先连接到服务器', 'error');
            errorCount++;
            updateStats();
            return;
        }

        const topic = document.getElementById('subTopic').value;

        if (!topic) {
            addLog('❌ 请填写要取消的订阅主题', 'error');
            errorCount++;
            updateStats();
            return;
        }

        client.unsubscribe(topic, (error) => {
            if (error) {
                errorCount++;
                updateStats();
                addLog(`❌ 取消订阅失败: ${error.message}`, 'error');
            } else {
                addLog(`❌ 已取消订阅 [${topic}]`, 'info');
            }
        });
    }

    // 清空日志
    function clearLogs() {
        document.getElementById('logArea').innerHTML = '';
        sentCount = 0;
        receivedCount = 0;
        errorCount = 0;
        updateStats();
        addLog('🗑️ 日志已清空', 'info');
    }

    // 页面加载完成
    window.onload = function () {
        addLog('👋 欢迎使用 MQTT WebSocket 测试客户端!', 'success');
        addLog('📚 请配置连接参数后点击"连接"按钮', 'info');
    };

    // 页面关闭前断开连接
    window.onbeforeunload = function () {
        if (client && client.connected) {
            client.end();
        }
    };
</script>
</body>
</html>