feat: launch privacy-first local lyrics tool
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<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<title>LRC Local</title>
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<link rel="stylesheet" href="/styles.css">
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</head>
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<body>
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<main class="shell">
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<header>
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<div class="brand">LRC <span>Local</span></div>
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<div class="local-pill"><i></i> 本机运行中</div>
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</header>
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<section class="hero">
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<p class="eyebrow">LOCAL-FIRST LYRIC TOOL</p>
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<h1>把歌词带走，<br><em>别把隐私留下。</em></h1>
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<p class="lead">搜索与歌词请求从这台电脑直接发出。关键词、歌词和下载文件不会经过我们的服务器。</p>
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<form id="search-form">
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<label for="keyword">歌曲、歌手或专辑</label>
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<div class="search-row">
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<input id="keyword" name="keyword" maxlength="100" autocomplete="off" placeholder="例如：起风了" required autofocus>
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<button type="submit">搜索歌词</button>
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</div>
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</form>
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<div id="notice" class="notice" role="status" aria-live="polite"></div>
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</section>
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<section id="results" class="results" aria-label="搜索结果"></section>
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<footer>非 QQ 音乐官方工具。请仅下载和使用你有权访问的歌词内容。</footer>
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</main>
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<script src="/app.js" defer></script>
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</body>
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</html>
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+70
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const form = document.querySelector('#search-form');
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const keyword = document.querySelector('#keyword');
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const notice = document.querySelector('#notice');
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const results = document.querySelector('#results');
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function text(value) { return document.createTextNode(value ?? ''); }
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function safeName(value) { return (value || 'unknown').replace(/[\\/:*?"<>|\u0000-\u001f]/g, '_').trim().slice(0, 180) || 'unknown'; }
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function duration(seconds) { const n = Number(seconds || 0); return n ? `${Math.floor(n / 60)}:${String(n % 60).padStart(2, '0')}` : ''; }
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function plainText(lrc) { return lrc.split(/\r?\n/).map(line => line.replace(/\[[^\]]*\]/g, '').trim()).filter(Boolean).join('\n'); }
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async function api(path, payload) {
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const response = await fetch(path, { method: 'POST', headers: {'Content-Type': 'application/json'}, body: JSON.stringify(payload) });
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const data = await response.json().catch(() => ({}));
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if (!response.ok) throw new Error(data.error || `请求失败 (${response.status})`);
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return data;
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}
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function download(name, body, type = 'text/plain;charset=utf-8') {
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const url = URL.createObjectURL(new Blob([body], {type}));
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const anchor = document.createElement('a');
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anchor.href = url; anchor.download = name; anchor.hidden = true;
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document.body.append(anchor); anchor.click(); anchor.remove();
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setTimeout(() => URL.revokeObjectURL(url), 1500);
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}
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async function fetchAndSave(song, kind, button) {
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button.disabled = true;
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notice.className = 'notice'; notice.textContent = `正在读取《${song.name}》…`;
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try {
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const data = await api('/api/lyrics', {mid: song.mid});
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const base = safeName(`${song.name} - ${song.singer}`);
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if (kind === 'lrc') download(`${base}.lrc`, data.lyric);
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if (kind === 'txt') download(`${base}.txt`, plainText(data.lyric));
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if (kind === 'trans') {
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if (!data.trans) throw new Error('这首歌没有翻译歌词');
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download(`${base}.trans.lrc`, data.trans);
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}
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notice.textContent = '文件已在浏览器中生成，内容未上传。';
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} catch (error) {
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notice.className = 'notice error'; notice.textContent = error.message;
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} finally { button.disabled = false; }
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}
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function renderSongs(songs) {
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results.replaceChildren();
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songs.forEach((song, index) => {
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const article = document.createElement('article'); article.className = 'song';
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const info = document.createElement('div');
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const title = document.createElement('h2'); title.append(text(`${String(index + 1).padStart(2, '0')} ${song.name}`));
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const meta = document.createElement('div'); meta.className = 'meta';
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meta.append(text([song.singer, song.album ? `《${song.album}》` : '', duration(song.interval)].filter(Boolean).join(' · ')));
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info.append(title, meta);
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const actions = document.createElement('div'); actions.className = 'actions';
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[['lrc','下载 LRC','primary'],['txt','纯文本'],['trans','翻译 LRC']].forEach(([kind,label,klass]) => {
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const button = document.createElement('button'); button.type = 'button'; button.className = klass || ''; button.append(text(label));
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button.addEventListener('click', () => fetchAndSave(song, kind, button)); actions.append(button);
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});
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article.append(info, actions); results.append(article);
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});
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}
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form.addEventListener('submit', async event => {
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event.preventDefault(); const submit = form.querySelector('button'); submit.disabled = true;
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notice.className = 'notice'; notice.textContent = '正在从这台电脑搜索…'; results.replaceChildren();
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try {
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const data = await api('/api/search', {keyword: keyword.value.trim(), limit: 15});
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renderSongs(data.songs || []); notice.textContent = data.songs?.length ? `找到 ${data.songs.length} 条结果。` : '没有找到相关歌曲。';
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} catch (error) { notice.className = 'notice error'; notice.textContent = error.message; }
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finally { submit.disabled = false; }
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});
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:root{font-family:Inter,"Segoe UI","PingFang SC",sans-serif;color:#eaf0ee;background:#09100e;color-scheme:dark;--mint:#75f0b2;--muted:#93a39e;--line:#26332f}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 85% 5%,#17442f 0,transparent 31rem),linear-gradient(145deg,#09100e,#101815 60%,#080d0b)}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.12;background-image:linear-gradient(#fff 1px,transparent 1px),linear-gradient(90deg,#fff 1px,transparent 1px);background-size:48px 48px}.shell{width:min(1020px,calc(100% - 32px));margin:auto;padding:30px 0 48px;position:relative}header{display:flex;justify-content:space-between;align-items:center}.brand{font-size:1.1rem;font-weight:850;letter-spacing:.08em}.brand span{color:var(--mint)}.local-pill{border:1px solid #315044;background:#10251d;padding:8px 12px;border-radius:99px;color:#b9d3c9;font-size:.82rem}.local-pill i{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:50%;box-shadow:0 0 12px var(--mint);margin-right:6px}.hero{padding:90px 0 42px;max-width:780px}.eyebrow{color:var(--mint);font-family:ui-monospace,monospace;font-size:.78rem;letter-spacing:.18em}.hero h1{font-size:clamp(3.1rem,9vw,6.8rem);line-height:.91;letter-spacing:-.065em;margin:24px 0;font-weight:880}.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1px #9ec4b5}.lead{color:var(--muted);font-size:1.08rem;line-height:1.75;max-width:650px}form{margin-top:38px}label{display:block;font-size:.82rem;color:#b5c4bf;margin-bottom:9px}.search-row{display:flex;gap:10px}input{flex:1;min-width:0;background:#eff7f3;color:#0b1511;border:0;border-radius:8px;padding:17px 18px;font:inherit;font-size:1.04rem;outline:2px solid transparent}input:focus{outline-color:var(--mint)}button{border:0;border-radius:8px;padding:0 24px;background:var(--mint);color:#07100c;font:inherit;font-weight:800;cursor:pointer}button:hover{filter:brightness(1.06)}button:disabled{opacity:.55;cursor:wait}.notice{min-height:28px;color:#b7cac2;margin-top:14px}.notice.error{color:#ff9b9b}.results{display:grid;gap:10px}.song{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;padding:20px;border:1px solid var(--line);background:#101916d9;border-radius:12px}.song h2{font-size:1.05rem;margin:0 0 7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{color:var(--muted);font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.actions{display:flex;gap:7px}.actions button{background:#1c2a25;color:#d9e7e2;border:1px solid #31453e;padding:9px 12px;font-size:.82rem}.actions button.primary{background:var(--mint);border-color:var(--mint);color:#07100c}footer{margin-top:70px;padding-top:20px;border-top:1px solid var(--line);color:#75847f;font-size:.78rem}@media(max-width:700px){.shell{width:min(100% - 22px,1020px)}.hero{padding-top:65px}.hero h1{font-size:3.6rem}.search-row{display:grid}.search-row button{padding:15px}.song{grid-template-columns:1fr}.actions{flex-wrap:wrap}.actions button{flex:1}.local-pill{font-size:.72rem}}
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