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							<html lang="zh-CN">
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							    <meta charset="UTF-8">
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							    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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							    <title>🌐 浏览器兼容性指南</title>
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							    <style>
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							        body {
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							            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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							        .compatibility-table {
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							        .compatibility-table th,
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							        .compatibility-table td {
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							        .compatibility-table th {
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							        .support-yes {
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							            color: #4CAF50;
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							        .support-partial {
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							            color: #FF9800;
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							        .support-no {
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							            color: #f44336;
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							        .solution-box {
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							        .warning-box {
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							        .error-box {
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							            margin: 15px 0;
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							            border-radius: 0 8px 8px 0;
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							        .btn {
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							            font-weight: bold;
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							        .btn-secondary {
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							            background: #2196F3;
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							        .btn-secondary:hover {
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							        .feature-list {
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							        .feature-list li {
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							        .feature-list li:last-child {
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							            border-bottom: none;
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							        .status-indicator {
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							            width: 12px;
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							            height: 12px;
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							            border-radius: 50%;
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							            margin-right: 10px;
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							        .status-ok {
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							            background: #4CAF50;
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							        .status-warning {
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							            background: #FF9800;
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							        }
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							        .status-error {
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							            background: #f44336;
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							        }
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							    </style>
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							</head>
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							<body>
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							    <div class="container">
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							        <div class="header">
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							            <h1>🌐 浏览器兼容性指南</h1>
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							            <p>移动侦察终端摄像头功能兼容性说明与解决方案</p>
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							        </div>
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							        <div class="section">
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							            <h3>📋 当前浏览器检测</h3>
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							            <div id="browserInfo">
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							                <p>正在检测您的浏览器兼容性...</p>
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							            </div>
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							        </div>
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							        <div class="section">
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							            <h3>🔍 "设备扫描失败: 浏览器不支持设备枚举功能" 问题说明</h3>
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							            <div class="warning-box">
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							                <h4>⚠️ 问题原因</h4>
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							                <p>这个错误表示您的浏览器不支持 <code>navigator.mediaDevices.enumerateDevices()</code> API,这个API用于列出可用的摄像头设备。</p>
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							            </div>
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							            <div class="solution-box">
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							                <h4>✅ 系统自动解决方案</h4>
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							                <p>我们的系统已经自动启用了兼容模式,为您提供以下设备选项:</p>
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							                <ul style="margin: 10px 0 0 20px;">
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							                    <li>📱 <strong>默认摄像头</strong> - 使用系统默认摄像头</li>
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							                    <li>📹 <strong>后置摄像头</strong> - 尝试使用后置摄像头</li>
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							                    <li>🤳 <strong>前置摄像头</strong> - 尝试使用前置摄像头</li>
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							                </ul>
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							                <p style="margin-top: 10px;">您可以通过设备选择器逐个测试这些选项,找到适合的摄像头配置。</p>
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							            </div>
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							        </div>
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							        <div class="section">
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							            <h3>📱 浏览器兼容性列表</h3>
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							            <table class="compatibility-table">
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							                <thead>
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							                    <tr>
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							                        <th>浏览器</th>
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							                        <th>getUserMedia</th>
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							                        <th>enumerateDevices</th>
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							                        <th>Permissions API</th>
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							                        <th>总体支持</th>
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							                    </tr>
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							                </thead>
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							                <tbody>
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							                    <tr>
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							                        <td><strong>Chrome 53+</strong></td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes"><strong>推荐</strong></td>
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							                    </tr>
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							                    <tr>
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							                        <td><strong>Firefox 36+</strong></td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-partial">⚠️ 部分支持</td>
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							                        <td class="support-yes"><strong>推荐</strong></td>
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							                    </tr>
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							                    <tr>
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							                        <td><strong>Safari 11+</strong></td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-no">❌ 不支持</td>
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							                        <td class="support-partial">⚠️ 基本可用</td>
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							                    </tr>
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							                    <tr>
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							                        <td><strong>Edge 17+</strong></td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes">✅ 完全支持</td>
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							                        <td class="support-yes"><strong>推荐</strong></td>
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							                    </tr>
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							                    <tr>
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							                        <td><strong>旧版浏览器</strong></td>
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							                        <td class="support-partial">⚠️ 需要前缀</td>
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								 | 
							
							                        <td class="support-no">❌ 不支持</td>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                        <td class="support-no">❌ 不支持</td>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                        <td class="support-partial">⚠️ 兼容模式</td>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    </tr>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </tbody>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            </table>
 | 
						
						
						
						
							 | 
							
								 | 
							
							        </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							        <div class="section">
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <h3>🔧 解决方案与建议</h3>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <h4>1. 最佳解决方案 - 升级浏览器</h4>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <div class="solution-box">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <p><strong>推荐使用以下现代浏览器:</strong></p>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <ul style="margin: 10px 0 0 20px;">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>🌐 <strong>Chrome</strong> 版本 53 或更高</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>🦊 <strong>Firefox</strong> 版本 36 或更高</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>🧭 <strong>Safari</strong> 版本 11 或更高(iOS/macOS)</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>⭐ <strong>Edge</strong> 版本 17 或更高</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </ul>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <h4>2. 兼容模式使用方法</h4>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <div class="warning-box">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <p><strong>如果无法升级浏览器,请按以下步骤操作:</strong></p>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <ol style="margin: 10px 0 0 20px;">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>忽略"设备扫描失败"的提示</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>点击"📷 选择设备"按钮</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>在设备列表中选择"默认摄像头"、"后置摄像头"或"前置摄像头"</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>点击"使用选中设备"测试摄像头功能</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>如果某个选项不工作,尝试其他选项</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </ol>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <h4>3. 移动设备特别说明</h4>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <div class="solution-box">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <p><strong>移动设备用户请注意:</strong></p>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <ul style="margin: 10px 0 0 20px;">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>📱 <strong>Android</strong>:建议使用 Chrome 浏览器</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>🍎 <strong>iOS</strong>:建议使用 Safari 浏览器</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>🔒 确保在 HTTPS 环境下访问(已自动配置)</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <li>🎥 允许摄像头权限访问</li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </ul>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							        </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							        <div class="section">
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <h3>🚨 常见问题排除</h3>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <div class="feature-list">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <span class="status-indicator status-error"></span>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <strong>完全无法访问摄像头</strong>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <br><small>检查浏览器是否支持getUserMedia,尝试升级浏览器或使用HTTPS访问</small>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <span class="status-indicator status-warning"></span>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <strong>无法枚举设备但能使用摄像头</strong>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <br><small>正常现象,使用兼容模式的默认设备选项即可</small>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <span class="status-indicator status-warning"></span>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <strong>权限被拒绝</strong>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <br><small>检查浏览器权限设置,清除网站数据后重新允许权限</small>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <span class="status-indicator status-error"></span>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <strong>摄像头被占用</strong>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    <br><small>关闭其他使用摄像头的应用程序或浏览器标签页</small>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                </li>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							        </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							        <div class="section">
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <h3>🧪 测试工具</h3>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <p>使用以下工具测试您的浏览器兼容性和摄像头功能:</p>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            <div style="margin-top: 20px;">
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <a href="camera_permission_test.html" class="btn">📷 摄像头权限测试</a>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <a href="mobile_client.html" class="btn btn-secondary">🚁 返回移动终端</a>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <button class="btn" onclick="testCurrentBrowser()">🔍 重新检测浏览器</button>
 | 
						
						
						
						
							 | 
							
								 | 
							
							            </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							        </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							    </div>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							    <script>
 | 
						
						
						
						
							 | 
							
								 | 
							
							        function testCurrentBrowser() {
 | 
						
						
						
						
							 | 
							
								 | 
							
							            const browserInfo = document.getElementById('browserInfo');
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            const compatibility = {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                mediaDevices: !!navigator.mediaDevices,
 | 
						
						
						
						
							 | 
							
								 | 
							
							                getUserMedia: !!(navigator.mediaDevices && navigator.mediaDevices.getUserMedia),
 | 
						
						
						
						
							 | 
							
								 | 
							
							                enumerateDevices: !!(navigator.mediaDevices && navigator.mediaDevices.enumerateDevices),
 | 
						
						
						
						
							 | 
							
								 | 
							
							                permissions: !!navigator.permissions,
 | 
						
						
						
						
							 | 
							
								 | 
							
							                isSecure: location.protocol === 'https:' || location.hostname === 'localhost',
 | 
						
						
						
						
							 | 
							
								 | 
							
							                userAgent: navigator.userAgent
 | 
						
						
						
						
							 | 
							
								 | 
							
							            };
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            // 检测浏览器类型
 | 
						
						
						
						
							 | 
							
								 | 
							
							            let browserName = 'Unknown Browser';
 | 
						
						
						
						
							 | 
							
								 | 
							
							            let browserVersion = 'Unknown Version';
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            if (navigator.userAgent.includes('Chrome') && !navigator.userAgent.includes('Edg')) {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                browserName = 'Chrome';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                const match = navigator.userAgent.match(/Chrome\/(\d+)/);
 | 
						
						
						
						
							 | 
							
								 | 
							
							                if (match) browserVersion = match[1];
 | 
						
						
						
						
							 | 
							
								 | 
							
							            } else if (navigator.userAgent.includes('Firefox')) {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                browserName = 'Firefox';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                const match = navigator.userAgent.match(/Firefox\/(\d+)/);
 | 
						
						
						
						
							 | 
							
								 | 
							
							                if (match) browserVersion = match[1];
 | 
						
						
						
						
							 | 
							
								 | 
							
							            } else if (navigator.userAgent.includes('Safari') && !navigator.userAgent.includes('Chrome')) {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                browserName = 'Safari';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                const match = navigator.userAgent.match(/Version\/(\d+)/);
 | 
						
						
						
						
							 | 
							
								 | 
							
							                if (match) browserVersion = match[1];
 | 
						
						
						
						
							 | 
							
								 | 
							
							            } else if (navigator.userAgent.includes('Edg')) {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                browserName = 'Edge';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                const match = navigator.userAgent.match(/Edg\/(\d+)/);
 | 
						
						
						
						
							 | 
							
								 | 
							
							                if (match) browserVersion = match[1];
 | 
						
						
						
						
							 | 
							
								 | 
							
							            }
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            // 生成检测结果
 | 
						
						
						
						
							 | 
							
								 | 
							
							            let resultHtml = `
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <h4>🔍 检测结果</h4>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <p><strong>浏览器:</strong> ${browserName} ${browserVersion}</p>
 | 
						
						
						
						
							 | 
							
								 | 
							
							                <div style="margin: 15px 0;">
 | 
						
						
						
						
							 | 
							
								 | 
							
							            `;
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            const features = [
 | 
						
						
						
						
							 | 
							
								 | 
							
							                { name: 'MediaDevices API', supported: compatibility.mediaDevices, critical: true },
 | 
						
						
						
						
							 | 
							
								 | 
							
							                { name: 'getUserMedia方法', supported: compatibility.getUserMedia, critical: true },
 | 
						
						
						
						
							 | 
							
								 | 
							
							                { name: '设备枚举功能', supported: compatibility.enumerateDevices, critical: false },
 | 
						
						
						
						
							 | 
							
								 | 
							
							                { name: '权限查询API', supported: compatibility.permissions, critical: false },
 | 
						
						
						
						
							 | 
							
								 | 
							
							                { name: 'HTTPS安全环境', supported: compatibility.isSecure, critical: true }
 | 
						
						
						
						
							 | 
							
								 | 
							
							            ];
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            features.forEach(feature => {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                const status = feature.supported ?
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    '<span class="status-indicator status-ok"></span>✅ 支持' :
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    '<span class="status-indicator status-error"></span>❌ 不支持';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                const importance = feature.critical ? ' (必需)' : ' (可选)';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                resultHtml += `<div style="margin: 8px 0;">${status} <strong>${feature.name}</strong>${importance}</div>`;
 | 
						
						
						
						
							 | 
							
								 | 
							
							            });
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            resultHtml += '</div>';
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            // 给出建议
 | 
						
						
						
						
							 | 
							
								 | 
							
							            const criticalIssues = features.filter(f => f.critical && !f.supported);
 | 
						
						
						
						
							 | 
							
								 | 
							
							            if (criticalIssues.length === 0) {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                if (compatibility.enumerateDevices) {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    resultHtml += '<div class="solution-box"><strong>✅ 您的浏览器完全兼容!</strong><br>可以正常使用所有摄像头功能。</div>';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                } else {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                    resultHtml += '<div class="warning-box"><strong>⚠️ 基本兼容</strong><br>摄像头功能正常,但需要使用兼容模式进行设备选择。</div>';
 | 
						
						
						
						
							 | 
							
								 | 
							
							                }
 | 
						
						
						
						
							 | 
							
								 | 
							
							            } else {
 | 
						
						
						
						
							 | 
							
								 | 
							
							                resultHtml += `<div class="error-box"><strong>❌ 兼容性问题</strong><br>检测到 ${criticalIssues.length} 个关键功能不支持,建议升级浏览器。</div>`;
 | 
						
						
						
						
							 | 
							
								 | 
							
							            }
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							            browserInfo.innerHTML = resultHtml;
 | 
						
						
						
						
							 | 
							
								 | 
							
							        }
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							        // 页面加载时自动检测
 | 
						
						
						
						
							 | 
							
								 | 
							
							        window.onload = function () {
 | 
						
						
						
						
							 | 
							
								 | 
							
							            testCurrentBrowser();
 | 
						
						
						
						
							 | 
							
								 | 
							
							        };
 | 
						
						
						
						
							 | 
							
								 | 
							
							    </script>
 | 
						
						
						
						
							 | 
							
								 | 
							
							</body>
 | 
						
						
						
						
							 | 
							
								 | 
							
							
 | 
						
						
						
						
							 | 
							
								 | 
							
							</html> |