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<meta name="description" content="PDF OCR与翻译工具 - 使用 Mistral OCR 提取 PDF 文本并转换为 Markdown，可选择使用 AI 模型进行翻译">
<title>Paper Burner - PDF文档 OCR与翻译工具</title>
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<body class="gradient-bg min-h-screen">
<div class="container mx-auto px-4 py-8 max-w-6xl">
<header class="text-center mb-12">
<h1 class="text-3xl md:text-4xl font-bold text-gray-800 mb-3">Paper Burner: PDF <span class="text-blue-600">OCR</span> 与翻译工具</h1>
<p class="text-gray-600 max-w-2xl mx-auto">使用 Mistral OCR 提取 PDF 文本并转换为 Markdown，可选择使用 AI 模型进行全文中文翻译</p>
<p class="text-gray-600 max-w-2xl mx-auto">完美保持公式、图表格式</p>
<p class="text-gray-600 max-w-2xl mx-auto text-sm">注意：AI 模型翻译结果仅供参考，最终内容请以原文为准</p>
</header>
<main>
<div class="bg-white rounded-xl shadow-sm p-6 mb-8">
<div class="mb-6">
<h2 class="text-xl font-semibold text-gray-800 mb-4 flex items-center">
<iconify-icon icon="carbon:api" class="mr-2 text-blue-500" width="24"></iconify-icon>
API 密钥设置
</h2>
<div class="grid grid-cols-1 md:grid-cols-2 gap-6">
<div>
<label for="mistralApiKey" class="block text-sm font-medium text-gray-700 mb-1">Mistral API Key <span class="text-red-500">*</span></label>
<div class="relative">
<input type="password" id="mistralApiKey" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all" placeholder="输入您的 Mistral API Key">
<button id="toggleMistralKey" class="absolute right-3 top-1/2 transform -translate-y-1/2 text-gray-500 hover:text-gray-700">
<iconify-icon icon="carbon:view" width="20"></iconify-icon>
</button>
</div>
<div class="mt-2 flex items-center">
<input type="checkbox" id="rememberMistralKey" class="rounded text-blue-500 focus:ring-blue-500 mr-2">
<label for="rememberMistralKey" class="text-sm text-gray-600">记住此 API Key</label>
</div>
</div>
<div>
<label for="translationApiKey" class="block text-sm font-medium text-gray-700 mb-1">翻译 API Key (可选)</label>
<div class="relative">
<input type="password" id="translationApiKey" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all" placeholder="输入翻译服务 API Key (可选)">
<button id="toggleTranslationKey" class="absolute right-3 top-1/2 transform -translate-y-1/2 text-gray-500 hover:text-gray-700">
<iconify-icon icon="carbon:view" width="20"></iconify-icon>
</button>
</div>
<div class="mt-2 flex items-center">
<input type="checkbox" id="rememberTranslationKey" class="rounded text-blue-500 focus:ring-blue-500 mr-2">
<label for="rememberTranslationKey" class="text-sm text-gray-600">记住此 API Key</label>
</div>
</div>
</div>
</div>
<div class="mb-6">
<h2 class="text-xl font-semibold text-gray-800 mb-4 flex items-center">
<iconify-icon icon="carbon:translate" class="mr-2 text-blue-500" width="24"></iconify-icon>
翻译设置
</h2>
<div class="grid grid-cols-1 md:grid-cols-2 gap-6">
<div>
<label for="translationModel" class="block text-sm font-medium text-gray-700 mb-1">翻译模型</label>
<select id="translationModel" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all">
<option value="none">不需要翻译</option>
<option value="mistral">Mistral Large</option>
<option value="deepseek">DeepSeek v3</option>
<option value="gemini">Gemini 2.0 Flash</option>
<option value="claude">Claude 3.5 Sonnet</option>
<option value="tongyi-deepseek-v3">通义百炼 DeepSeek v3</option>
<option value="volcano-deepseek-v3">火山引擎 DeepSeek v3</option>
<option value="custom">自定义模型</option>
</select>
</div>
<div id="customModelSettings" class="hidden mt-4 border-t pt-4 border-gray-200">
<h3 class="text-sm font-medium text-gray-700 mb-3">自定义模型设置</h3>
<div class="grid grid-cols-1 gap-4">
<div>
<label for="customModelName" class="block text-sm font-medium text-gray-700 mb-1">模型名称</label>
<input type="text" id="customModelName" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all" placeholder="例如: Claude 3 Opus">
</div>
<div>
<label for="customApiEndpoint" class="block text-sm font-medium text-gray-700 mb-1">API 端点 URL</label>
<input type="text" id="customApiEndpoint" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all" placeholder="例如: https://api.example.com/v1/chat/completions">
</div>
<div>
<label for="customModelId" class="block text-sm font-medium text-gray-700 mb-1">模型 ID</label>
<input type="text" id="customModelId" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all" placeholder="例如: gpt-4-turbo">
</div>
<div>
<label for="customRequestFormat" class="block text-sm font-medium text-gray-700 mb-1">请求格式</label>
<select id="customRequestFormat" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all">
<option value="openai">OpenAI 格式</option>
<option value="anthropic">Anthropic 格式</option>
<option value="gemini">Google Gemini 格式</option>
</select>
</div>
</div>
</div>
<div>
<label for="targetLanguage" class="block text-sm font-medium text-gray-700 mb-1">目标语言</label>
<select id="targetLanguage" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all">
<option value="chinese">中文</option>
</select>
</div>
</div>
</div>
<div class="mt-4">
<button id="advancedSettingsToggle" class="text-sm text-gray-500 hover:text-gray-700 flex items-center" type="button">
<iconify-icon icon="carbon:settings-adjust" class="mr-1" width="16"></iconify-icon>
<span>高级设置</span>
<iconify-icon icon="carbon:chevron-down" class="ml-1" width="16" id="advancedSettingsIcon"></iconify-icon>
</button>
<div id="advancedSettings" class="hidden mt-3 pt-3 border-t border-gray-100">
<div class="grid grid-cols-1 gap-4">
<div>
<label for="maxTokensPerChunk" class="block text-sm font-medium text-gray-700 mb-1">每段最大Token数</label>
<div class="flex items-center">
<input type="range" id="maxTokensPerChunk" min="500" max="10000" step="100" value="2000"
class="w-full h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer">
<span id="maxTokensPerChunkValue" class="ml-2 text-sm text-gray-600 min-w-[50px]">2000</span>
</div>
<p class="text-xs text-gray-500 mt-1">默认为2000，较小的值会导致更多的分段，较大的值可能超出模型上下文限制或导致超时</p>
</div>
</div>
</div>
</div>
<div class="mb-6">
<h2 class="text-xl font-semibold text-gray-800 mb-4 flex items-center">
<iconify-icon icon="carbon:document-pdf" class="mr-2 text-blue-500" width="24"></iconify-icon>
PDF 文件上传
</h2>
<div class="border-2 border-dashed border-gray-300 rounded-lg p-8 text-center" id="dropZone">
<input type="file" id="pdfFileInput" accept=".pdf" class="hidden">
<div class="mx-auto mb-4 w-16 h-16 flex items-center justify-center rounded-full bg-blue-50">
<iconify-icon icon="carbon:upload" class="text-blue-500" width="32"></iconify-icon>
</div>
<h3 class="text-lg font-medium text-gray-800 mb-1">拖放 PDF 文件到这里</h3>
<p class="text-sm text-gray-500 mb-4">或者</p>
<button id="browseFilesBtn" class="px-6 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition-all focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2">
浏览文件
</button>
<div id="fileInfo" class="hidden mt-4 flex items-center justify-center text-left">
<div class="mr-3">
<iconify-icon icon="carbon:document-pdf" class="text-red-500" width="32"></iconify-icon>
</div>
<div>
<p id="fileName" class="text-sm font-medium text-gray-800"></p>
<p id="fileSize" class="text-xs text-gray-500"></p>
</div>
<button id="removeFileBtn" class="ml-4 text-gray-400 hover:text-gray-600">
<iconify-icon icon="carbon:close" width="20"></iconify-icon>
</button>
</div>
</div>
</div>
<div class="flex justify-center mt-8">
<button id="processBtn" class="px-8 py-3 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-all focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed flex items-center">
<iconify-icon icon="carbon:play" class="mr-2" width="20"></iconify-icon>
<span>开始处理</span>
</button>
</div>
</div>
<div id="resultsSection" class="bg-white rounded-xl shadow-sm p-6 mb-8 hidden">
<h2 class="text-xl font-semibold text-gray-800 mb-4 flex items-center">
<iconify-icon icon="carbon:document" class="mr-2 text-blue-500" width="24"></iconify-icon>
处理结果
</h2>
<div class="grid grid-cols-1 md:grid-cols-2 gap-6">
<div class="gradient-card rounded-lg p-4 border border-gray-100 shadow-sm">
<h3 class="font-medium text-gray-800 mb-2 flex items-center">
<iconify-icon icon="carbon:markdown" class="mr-2 text-blue-500" width="20"></iconify-icon>
Markdown 内容
</h3>
<div id="markdownPreview" class="h-40 overflow-auto bg-gray-50 rounded p-3 text-sm text-gray-700 font-mono"></div>
<button id="downloadMarkdownBtn" class="mt-3 px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition-all focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 flex items-center justify-center w-full">
<iconify-icon icon="carbon:download" class="mr-2" width="16"></iconify-icon>
<span>下载 Markdown</span>
</button>
</div>
<div class="gradient-card rounded-lg p-4 border border-gray-100 shadow-sm" id="translationResultCard">
<h3 class="font-medium text-gray-800 mb-2 flex items-center">
<iconify-icon icon="carbon:translate" class="mr-2 text-blue-500" width="20"></iconify-icon>
翻译内容
</h3>
<div id="translationPreview" class="h-40 overflow-auto bg-gray-50 rounded p-3 text-sm text-gray-700"></div>
<button id="downloadTranslationBtn" class="mt-3 px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition-all focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 flex items-center justify-center w-full">
<iconify-icon icon="carbon:download" class="mr-2" width="16"></iconify-icon>
<span>下载翻译</span>
</button>
</div>
</div>
</div>
<div id="progressSection" class="bg-white rounded-xl shadow-sm p-6 mb-8 hidden">
<h2 class="text-xl font-semibold text-gray-800 mb-4 flex items-center">
<iconify-icon icon="carbon:progress-bar" class="mr-2 text-blue-500" width="24"></iconify-icon>
处理进度
</h2>
<div class="mb-4">
<div class="flex justify-between mb-1">
<span id="progressStep" class="text-sm font-medium text-gray-700">OCR处理中...</span>
<span id="progressPercentage" class="text-sm font-medium text-gray-700">0%</span>
</div>
<div class="w-full bg-gray-200 rounded-full h-2.5">
<div id="progressBar" class="bg-blue-600 h-2.5 rounded-full" style="width: 0%"></div>
</div>
</div>
<div id="progressLog" class="bg-gray-50 rounded-lg p-4 h-32 overflow-auto text-sm text-gray-600 font-mono"></div>
</div>
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<footer class="text-center text-gray-500 text-sm mt-12">
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<a href="https://github.com/baoyudu/ocrpdf" class="text-blue-500 hover:text-blue-700 transition-colors" target="_blank" rel="noopener noreferrer">
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GitHub
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<p>Bao Yu © 2025</p>
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