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769 lines (671 loc) · 27.8 KB
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="支持中英日韩法荷德多语言互译的离线翻译应用">
<meta name="theme-color" content="#667eea">
<title>离线多语言翻译</title>
<link rel="manifest" href="manifest.json">
<link rel="icon" type="image/png" sizes="192x192" href="icon-192.png">
<link rel="apple-touch-icon" href="icon-192.png">
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
padding: 20px;
display: flex;
flex-direction: column;
align-items: center;
}
.container {
max-width: 800px;
width: 100%;
background: white;
border-radius: 20px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
padding: 30px;
margin-bottom: 20px;
}
h1 {
text-align: center;
color: #333;
margin-bottom: 30px;
font-size: 28px;
}
.model-status {
background: #f8f9fa;
padding: 15px;
border-radius: 10px;
margin-bottom: 20px;
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 10px;
}
.status-info {
flex: 1;
min-width: 200px;
}
.status-label {
font-size: 12px;
color: #666;
margin-bottom: 5px;
}
.status-value {
font-size: 14px;
font-weight: 600;
color: #333;
}
.model-buttons {
display: flex;
gap: 10px;
}
.language-select {
display: flex;
gap: 15px;
margin-bottom: 20px;
align-items: center;
flex-wrap: wrap;
}
.language-select label {
font-size: 14px;
font-weight: 600;
color: #555;
}
select {
flex: 1;
min-width: 150px;
padding: 10px;
border: 2px solid #e0e0e0;
border-radius: 8px;
font-size: 14px;
cursor: pointer;
transition: border-color 0.3s;
}
select:focus {
outline: none;
border-color: #667eea;
}
.input-section {
margin-bottom: 20px;
}
textarea {
width: 100%;
min-height: 120px;
padding: 15px;
border: 2px solid #e0e0e0;
border-radius: 8px;
font-size: 16px;
resize: vertical;
transition: border-color 0.3s;
}
textarea:focus {
outline: none;
border-color: #667eea;
}
.button-group {
display: flex;
gap: 10px;
margin-top: 10px;
flex-wrap: wrap;
}
button {
padding: 12px 24px;
border: none;
border-radius: 8px;
font-size: 14px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
display: flex;
align-items: center;
gap: 8px;
white-space: nowrap;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
flex: 1;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}
.btn-primary:disabled {
background: #ccc;
cursor: not-allowed;
transform: none;
}
.btn-secondary {
background: white;
color: #667eea;
border: 2px solid #667eea;
}
.btn-secondary:hover {
background: #667eea;
color: white;
}
.btn-danger {
background: #dc3545;
color: white;
}
.btn-danger:hover {
background: #c82333;
}
.btn-success {
background: #28a745;
color: white;
}
.btn-success:hover {
background: #218838;
}
.output-section {
margin-top: 30px;
padding-top: 30px;
border-top: 2px solid #e0e0e0;
}
.output-box {
background: #f8f9fa;
padding: 20px;
border-radius: 8px;
min-height: 120px;
font-size: 16px;
line-height: 1.6;
color: #333;
white-space: pre-wrap;
word-wrap: break-word;
}
.output-box.empty {
color: #999;
font-style: italic;
}
.loading {
display: inline-block;
width: 20px;
height: 20px;
border: 3px solid rgba(255, 255, 255, 0.3);
border-radius: 50%;
border-top-color: white;
animation: spin 1s linear infinite;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.progress-bar {
width: 100%;
height: 30px;
background: #e0e0e0;
border-radius: 15px;
overflow: hidden;
margin-top: 10px;
display: none;
}
.progress-fill {
height: 100%;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
width: 0%;
transition: width 0.3s;
display: flex;
align-items: center;
justify-content: center;
color: white;
font-size: 12px;
font-weight: 600;
}
@media (max-width: 600px) {
.container {
padding: 20px;
}
h1 {
font-size: 24px;
}
.button-group {
flex-direction: column;
}
button {
width: 100%;
}
.model-buttons {
width: 100%;
flex-direction: column;
}
.language-select {
flex-direction: column;
align-items: stretch;
}
}
.icon {
width: 16px;
height: 16px;
}
</style>
</head>
<body>
<div class="container">
<h1>离线多语言翻译</h1>
<!-- Model Status -->
<div class="model-status">
<div class="status-info">
<div class="status-label">模型状态</div>
<div class="status-value" id="modelStatus">未加载</div>
</div>
<div class="model-buttons">
<button class="btn-success" id="loadModelBtn">加载模型</button>
<button class="btn-danger" id="deleteModelBtn" style="display: none;">删除模型</button>
</div>
</div>
<!-- Mirror Selection -->
<div class="language-select" style="margin-top: 15px;">
<label>下载源:</label>
<select id="mirrorSelect">
<option value="hf-mirror">HF-Mirror (推荐国内用户)</option>
<option value="modelscope">ModelScope 镜像 (实验性)</option>
<option value="ghproxy">GitHub Proxy</option>
<option value="original">原始地址 (海外用户)</option>
</select>
</div>
<div class="progress-bar" id="progressBar">
<div class="progress-fill" id="progressFill">0%</div>
</div>
<!-- Language Selection -->
<div class="language-select">
<label>源语言:</label>
<select id="sourceLang">
<option value="zh">中文</option>
<option value="en">English</option>
<option value="ja">日本語</option>
<option value="ko">한국어</option>
<option value="fr">Français</option>
<option value="nl">Nederlands</option>
<option value="de">Deutsch</option>
</select>
<label>目标语言:</label>
<select id="targetLang">
<option value="en">English</option>
<option value="zh">中文</option>
<option value="ja">日本語</option>
<option value="ko">한국어</option>
<option value="fr">Français</option>
<option value="nl">Nederlands</option>
<option value="de">Deutsch</option>
</select>
</div>
<!-- Input Section -->
<div class="input-section">
<textarea id="inputText" placeholder="请输入要翻译的文字..."></textarea>
<div class="button-group">
<button class="btn-secondary" id="voiceInputBtn">
<svg class="icon" fill="currentColor" viewBox="0 0 20 20">
<path d="M10 12a2 2 0 100-4 2 2 0 000 4z"/>
<path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM7 9a1 1 0 011-1h4a1 1 0 110 2H8a1 1 0 01-1-1z" clip-rule="evenodd"/>
</svg>
语音输入
</button>
<button class="btn-primary" id="translateBtn" disabled>
翻译
</button>
</div>
</div>
<!-- Output Section -->
<div class="output-section">
<div class="output-box empty" id="outputText">翻译结果将显示在这里...</div>
<div class="button-group">
<button class="btn-secondary" id="speakBtn" style="display: none;">
<svg class="icon" fill="currentColor" viewBox="0 0 20 20">
<path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM14.657 2.929a1 1 0 011.414 0A9.972 9.972 0 0119 10a9.972 9.972 0 01-2.929 7.071 1 1 0 01-1.414-1.414A7.971 7.971 0 0017 10c0-2.21-.894-4.208-2.343-5.657a1 1 0 010-1.414zm-2.829 2.828a1 1 0 011.415 0A5.983 5.983 0 0115 10a5.984 5.984 0 01-1.757 4.243 1 1 0 01-1.415-1.415A3.984 3.984 0 0013 10a3.983 3.983 0 00-1.172-2.828 1 1 0 010-1.415z" clip-rule="evenodd"/>
</svg>
朗读
</button>
</div>
</div>
</div>
<script type="module">
import { CreateMLCEngine, prebuiltAppConfig } from "https://esm.run/@mlc-ai/web-llm";
// Register Service Worker for offline support
if ('serviceWorker' in navigator) {
window.addEventListener('load', () => {
navigator.serviceWorker.register('./sw.js')
.then((registration) => {
console.log('Service Worker registered successfully:', registration.scope);
// Check for updates
registration.addEventListener('updatefound', () => {
const newWorker = registration.installing;
newWorker.addEventListener('statechange', () => {
if (newWorker.state === 'installed' && navigator.serviceWorker.controller) {
// New service worker available, show update notification
if (confirm('发现新版本，是否立即更新？')) {
newWorker.postMessage({ type: 'SKIP_WAITING' });
window.location.reload();
}
}
});
});
})
.catch((error) => {
console.log('Service Worker registration failed:', error);
});
// Handle controller change
navigator.serviceWorker.addEventListener('controllerchange', () => {
window.location.reload();
});
});
}
// 镜像站配置
const mirrorConfigs = {
'hf-mirror': {
name: 'HF-Mirror',
huggingface: 'https://hf-mirror.com',
github: `${window.location.origin}/resource/wasm`
},
'modelscope': {
name: 'ModelScope',
huggingface: 'https://modelscope.cn/models', // ModelScope 暂无 MLC 格式，仍用 HF-Mirror
github: `${window.location.origin}/resource/wasm` // 使用当前部署的域名
},
'ghproxy': {
name: 'GitHub Proxy',
huggingface: 'https://hub.gitmirror.com',
github: `${window.location.origin}/resource/wasm`
},
'original': {
name: '原始地址',
huggingface: 'https://huggingface.co',
github: 'https://raw.githubusercontent.com'
}
};
// Language mapping
const langMap = {
'zh': '中文',
'en': 'English',
'ja': '日本語',
'ko': '한국어',
'fr': 'Français',
'nl': 'Nederlands',
'de': 'Deutsch'
};
// State
let engine = null;
let isModelLoaded = false;
let recognition = null;
// DOM elements
const modelStatus = document.getElementById('modelStatus');
const loadModelBtn = document.getElementById('loadModelBtn');
const deleteModelBtn = document.getElementById('deleteModelBtn');
const mirrorSelect = document.getElementById('mirrorSelect');
const progressBar = document.getElementById('progressBar');
const progressFill = document.getElementById('progressFill');
const sourceLang = document.getElementById('sourceLang');
const targetLang = document.getElementById('targetLang');
const inputText = document.getElementById('inputText');
const outputText = document.getElementById('outputText');
const translateBtn = document.getElementById('translateBtn');
const voiceInputBtn = document.getElementById('voiceInputBtn');
const speakBtn = document.getElementById('speakBtn');
// Initialize Speech Recognition
if ('webkitSpeechRecognition' in window || 'SpeechRecognition' in window) {
const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;
recognition = new SpeechRecognition();
recognition.continuous = false;
recognition.interimResults = false;
recognition.onresult = (event) => {
const transcript = event.results[0][0].transcript;
inputText.value = transcript;
voiceInputBtn.textContent = '语音输入';
};
recognition.onerror = (event) => {
console.error('Speech recognition error:', event.error);
voiceInputBtn.textContent = '语音输入';
alert('语音识别错误: ' + event.error);
};
recognition.onend = () => {
voiceInputBtn.textContent = '语音输入';
};
} else {
voiceInputBtn.disabled = true;
voiceInputBtn.title = '您的浏览器不支持语音识别';
}
// Load Model
loadModelBtn.addEventListener('click', async () => {
loadModelBtn.disabled = true;
modelStatus.textContent = '加载中...';
progressBar.style.display = 'block';
try {
const initProgressCallback = (progress) => {
const percent = Math.round(progress.progress * 100);
progressFill.style.width = percent + '%';
progressFill.textContent = percent + '%';
modelStatus.textContent = `加载中... ${percent}%`;
};
// 配置模型下载源
let engineConfig = {
initProgressCallback: initProgressCallback,
};
// 获取用户选择的镜像配置
const selectedMirror = mirrorSelect.value;
const mirrorConfig = mirrorConfigs[selectedMirror];
// 如果不是使用原始地址，则配置镜像
if (selectedMirror !== 'original') {
// 获取预构建配置并修改 URL
const customAppConfig = {
model_list: prebuiltAppConfig.model_list.map(model => {
if (model.model_id === "Qwen3-0.6B-q4f16_1-MLC") {
return {
...model,
// 替换 Hugging Face 地址
model: model.model.replace(
"https://huggingface.co",
mirrorConfig.huggingface
),
// 替换 GitHub Raw 地址
model_lib: model.model_lib ? model.model_lib.replace(
"https://raw.githubusercontent.com/mlc-ai/binary-mlc-llm-libs/main/web-llm-models",
mirrorConfig.github
) : model.model_lib
};
}
return model;
})
};
engineConfig.appConfig = customAppConfig;
console.log(`使用 ${mirrorConfig.name} 镜像加载模型`);
} else {
console.log('使用原始 Hugging Face 地址加载模型');
}
// Use Qwen3-0.6B-Instruct
engine = await CreateMLCEngine(
"Qwen3-0.6B-q4f16_1-MLC",
engineConfig
);
isModelLoaded = true;
modelStatus.textContent = '已加载';
loadModelBtn.style.display = 'none';
deleteModelBtn.style.display = 'inline-flex';
translateBtn.disabled = false;
progressBar.style.display = 'none';
alert('模型加载成功！现在可以离线使用翻译功能。');
} catch (error) {
console.error('Model loading error:', error);
modelStatus.textContent = '加载失败';
loadModelBtn.disabled = false;
progressBar.style.display = 'none';
alert('模型加载失败: ' + error.message);
}
});
// Delete Model
deleteModelBtn.addEventListener('click', async () => {
if (confirm('确定要删除模型吗？这将释放浏览器存储空间，但之后需要重新加载才能使用翻译功能。')) {
try {
// Unload engine
if (engine) {
await engine.unload();
engine = null;
}
// Clear cache
const cacheNames = await caches.keys();
for (const cacheName of cacheNames) {
if (cacheName.includes('webllm') || cacheName.includes('mlc')) {
await caches.delete(cacheName);
}
}
// Clear IndexedDB
const databases = await indexedDB.databases();
for (const db of databases) {
if (db.name && (db.name.includes('webllm') || db.name.includes('mlc'))) {
indexedDB.deleteDatabase(db.name);
}
}
isModelLoaded = false;
modelStatus.textContent = '未加载';
loadModelBtn.style.display = 'inline-flex';
deleteModelBtn.style.display = 'none';
translateBtn.disabled = true;
outputText.textContent = '翻译结果将显示在这里...';
outputText.classList.add('empty');
speakBtn.style.display = 'none';
alert('模型已删除');
} catch (error) {
console.error('Error deleting model:', error);
alert('删除模型时出错: ' + error.message);
}
}
});
// Voice Input
voiceInputBtn.addEventListener('click', () => {
if (!recognition) {
alert('您的浏览器不支持语音识别');
return;
}
const sourceLangCode = sourceLang.value;
const langCodes = {
'zh': 'zh-CN',
'en': 'en-US',
'ja': 'ja-JP',
'ko': 'ko-KR',
'fr': 'fr-FR',
'nl': 'nl-NL',
'de': 'de-DE'
};
recognition.lang = langCodes[sourceLangCode] || 'zh-CN';
try {
recognition.start();
voiceInputBtn.innerHTML = '<div class="loading"></div> 正在听...';
} catch (error) {
console.error('Recognition start error:', error);
alert('启动语音识别失败: ' + error.message);
}
});
// Translate
translateBtn.addEventListener('click', async () => {
const text = inputText.value.trim();
if (!text) {
alert('请输入要翻译的文字');
return;
}
if (!isModelLoaded) {
alert('请先加载模型');
return;
}
translateBtn.disabled = true;
translateBtn.innerHTML = '<div class="loading"></div> 翻译中...';
outputText.textContent = '正在翻译...';
outputText.classList.add('empty');
try {
const sourceLangName = langMap[sourceLang.value];
const targetLangName = langMap[targetLang.value];
const prompt = `Translate the following text from ${sourceLangName} to ${targetLangName}. Only output the translation, nothing else.\n\nText: ${text}\n\nTranslation:`;
const reply = await engine.chat.completions.create({
messages: [{ role: "user", content: prompt }],
temperature: 0.3,
max_tokens: 512,
reasoning_effort: 0, // Disable thinking/reasoning mode
});
let translation = reply.choices[0].message.content.trim();
// Remove <think> tags and their content
translation = translation.replace(/<think>[\s\S]*?<\/think>/gi, '').trim();
outputText.textContent = translation;
outputText.classList.remove('empty');
speakBtn.style.display = 'inline-flex';
} catch (error) {
console.error('Translation error:', error);
outputText.textContent = '翻译失败: ' + error.message;
outputText.classList.add('empty');
} finally {
translateBtn.disabled = false;
translateBtn.textContent = '翻译';
}
});
// Text to Speech
speakBtn.addEventListener('click', () => {
const text = outputText.textContent;
if (!text || outputText.classList.contains('empty')) {
alert('没有可朗读的内容');
return;
}
if ('speechSynthesis' in window) {
// Cancel any ongoing speech
speechSynthesis.cancel();
const utterance = new SpeechSynthesisUtterance(text);
const targetLangCode = targetLang.value;
// Get available voices
const voices = speechSynthesis.getVoices();
// Language code mapping for TTS
const ttsLangCodes = {
'zh': 'zh-CN',
'en': 'en-US',
'ja': 'ja-JP',
'ko': 'ko-KR',
'fr': 'fr-FR',
'nl': 'nl-NL',
'de': 'de-DE'
};
const preferredLang = ttsLangCodes[targetLangCode] || 'en-US';
// Find a suitable voice for the target language
let selectedVoice = voices.find(voice => voice.lang === preferredLang);
if (!selectedVoice) {
// Fallback to any voice matching the language prefix
const langPrefix = preferredLang.split('-')[0];
selectedVoice = voices.find(voice => voice.lang.startsWith(langPrefix));
}
if (selectedVoice) {
utterance.voice = selectedVoice;
utterance.lang = selectedVoice.lang;
} else {
utterance.lang = preferredLang;
}
utterance.rate = 1.0;
utterance.pitch = 1.0;
utterance.volume = 1.0;
utterance.onstart = () => {
speakBtn.textContent = '朗读中...';
};
utterance.onend = () => {
speakBtn.innerHTML = '<svg class="icon" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM14.657 2.929a1 1 0 011.414 0A9.972 9.972 0 0119 10a9.972 9.972 0 01-2.929 7.071 1 1 0 01-1.414-1.414A7.971 7.971 0 0017 10c0-2.21-.894-4.208-2.343-5.657a1 1 0 010-1.414zm-2.829 2.828a1 1 0 011.415 0A5.983 5.983 0 0115 10a5.984 5.984 0 01-1.757 4.243 1 1 0 01-1.415-1.415A3.984 3.984 0 0013 10a3.983 3.983 0 00-1.172-2.828 1 1 0 010-1.415z" clip-rule="evenodd"/></svg> 朗读';
};
utterance.onerror = (event) => {
console.error('Speech error:', event);
speakBtn.innerHTML = '<svg class="icon" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M9.383 3.076A1 1 0 0110 4v12a1 1 0 01-1.707.707L4.586 13H2a1 1 0 01-1-1V8a1 1 0 011-1h2.586l3.707-3.707a1 1 0 011.09-.217zM14.657 2.929a1 1 0 011.414 0A9.972 9.972 0 0119 10a9.972 9.972 0 01-2.929 7.071 1 1 0 01-1.414-1.414A7.971 7.971 0 0017 10c0-2.21-.894-4.208-2.343-5.657a1 1 0 010-1.414zm-2.829 2.828a1 1 0 011.415 0A5.983 5.983 0 0115 10a5.984 5.984 0 01-1.757 4.243 1 1 0 01-1.415-1.415A3.984 3.984 0 0013 10a3.983 3.983 0 00-1.172-2.828 1 1 0 010-1.415z" clip-rule="evenodd"/></svg> 朗读';
alert('朗读失败: ' + event.error);
};
speechSynthesis.speak(utterance);
} else {
alert('您的浏览器不支持语音合成');
}
});
// Load voices (needed for some browsers)
if ('speechSynthesis' in window) {
speechSynthesis.getVoices();
speechSynthesis.onvoiceschanged = () => {
speechSynthesis.getVoices();
};
}
</script>
</body>
</html>