Fam Zheng
437 lines
12 KiB
HTML
437 lines
12 KiB
HTML
<!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, viewport-fit=cover" />
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<meta name="theme-color" content="#0f1419" />
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<title>llm.famzheng.me</title>
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<style>
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:root {
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color-scheme: dark;
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--bg: #0f1419;
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--bg-elev: #161b22;
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--soft: rgba(255,255,255,.06);
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--softer: rgba(255,255,255,.03);
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--border: rgba(255,255,255,.12);
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--fg: rgba(255,255,255,.94);
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--dim: rgba(255,255,255,.55);
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--accent: #7c3aed;
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--accent2: #06b6d4;
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--danger: #ef4444;
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}
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* { box-sizing: border-box; }
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html, body {
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margin: 0; padding: 0;
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background: var(--bg);
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color: var(--fg);
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font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC',
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'Microsoft YaHei', system-ui, sans-serif;
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font-size: 15px;
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-webkit-text-size-adjust: 100%;
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-webkit-tap-highlight-color: transparent;
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}
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body {
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/* dynamic viewport — 处理移动端软键盘 */
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height: 100dvh;
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overflow: hidden;
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}
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@supports not (height: 100dvh) {
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body { height: 100vh; }
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}
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main {
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height: 100%;
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max-width: 760px;
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margin: 0 auto;
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padding: 12px 14px env(safe-area-inset-bottom, 12px);
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display: grid;
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grid-template-rows: auto auto 1fr auto;
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gap: 10px;
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}
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header {
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display: flex;
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align-items: baseline;
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justify-content: space-between;
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gap: 8px;
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}
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h1 {
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font-size: 1.15rem; margin: 0; font-weight: 600;
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background: linear-gradient(135deg, #fff, var(--accent2));
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-webkit-background-clip: text; background-clip: text;
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color: transparent;
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}
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header small { color: var(--dim); font-size: 0.78rem; }
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.config { display: flex; gap: 6px; flex-wrap: wrap; }
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.config input {
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flex: 1; min-width: 0;
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padding: 8px 10px;
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background: var(--soft);
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border: 1px solid var(--border);
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border-radius: 6px;
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color: var(--fg); font: inherit;
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}
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.config input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
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.thread {
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overflow-y: auto;
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padding: 6px 2px;
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display: flex; flex-direction: column; gap: 10px;
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border-top: 1px solid var(--border);
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border-bottom: 1px solid var(--border);
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scrollbar-gutter: stable;
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/* iOS momentum */
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-webkit-overflow-scrolling: touch;
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}
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.thread::-webkit-scrollbar { width: 8px; }
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.thread::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
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.thread::-webkit-scrollbar-thumb:hover { background: var(--dim); }
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.empty {
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margin: auto 0; text-align: center; color: var(--dim);
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padding: 24px; line-height: 1.6; font-size: 0.92rem;
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}
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.empty kbd {
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display: inline-block; padding: 1px 6px; border-radius: 4px;
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background: var(--soft); border: 1px solid var(--border);
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font-family: inherit; font-size: 0.85em;
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}
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.row { display: flex; }
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.row.user { justify-content: flex-end; }
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.row.assistant { justify-content: flex-start; }
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.row.err { justify-content: stretch; }
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.bubble {
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max-width: min(85%, 640px);
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padding: 10px 13px;
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border-radius: 14px;
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white-space: pre-wrap;
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word-wrap: break-word;
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overflow-wrap: anywhere;
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line-height: 1.5;
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font-size: 0.95rem;
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box-shadow: 0 1px 2px rgba(0,0,0,.25);
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}
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.row.user .bubble {
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background: linear-gradient(135deg, var(--accent), #4f46e5);
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color: white;
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border-bottom-right-radius: 4px;
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}
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.row.assistant .bubble {
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background: var(--bg-elev);
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border: 1px solid var(--border);
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border-bottom-left-radius: 4px;
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}
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.row.err .bubble {
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background: rgba(239,68,68,.12);
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border: 1px solid rgba(239,68,68,.4);
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color: #ff8080;
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max-width: 100%; width: 100%;
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font-size: 0.85rem;
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font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
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}
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.meta {
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margin-top: 4px;
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font-size: 0.72rem;
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color: var(--dim);
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display: flex; gap: 8px; align-items: center;
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}
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.copy-btn {
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background: transparent; border: none;
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color: var(--dim); cursor: pointer;
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font-size: 0.72rem; padding: 0;
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}
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.copy-btn:hover { color: var(--fg); }
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.typing {
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display: inline-flex; gap: 4px;
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padding: 14px 14px;
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}
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.typing span {
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width: 6px; height: 6px; border-radius: 50%;
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background: var(--dim); animation: bounce 1.2s infinite;
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}
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.typing span:nth-child(2) { animation-delay: .15s; }
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.typing span:nth-child(3) { animation-delay: .30s; }
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@keyframes bounce {
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0%,60%,100% { transform: translateY(0); opacity: .45; }
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30% { transform: translateY(-4px); opacity: 1; }
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}
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footer {
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display: flex; gap: 8px; align-items: flex-end;
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}
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textarea {
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flex: 1;
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resize: none;
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min-height: 44px;
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max-height: 200px;
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padding: 10px 12px;
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background: var(--soft);
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border: 1px solid var(--border);
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border-radius: 10px;
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color: var(--fg);
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font: inherit; line-height: 1.4;
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overflow-y: auto;
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}
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textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
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.send {
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background: linear-gradient(135deg, var(--accent), var(--accent2));
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color: white; border: none;
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padding: 0 18px;
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height: 44px;
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border-radius: 10px;
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font-weight: 600;
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cursor: pointer;
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flex-shrink: 0;
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}
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.send:disabled {
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background: var(--soft); color: var(--dim); cursor: not-allowed;
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}
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.ghost {
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background: transparent; border: 1px solid var(--border);
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color: var(--fg);
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padding: 8px 12px;
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border-radius: 6px;
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font-size: 0.85rem;
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cursor: pointer;
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}
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.ghost:hover { background: var(--soft); }
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details {
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color: var(--dim); font-size: 0.85rem;
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grid-row: auto;
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}
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details summary { cursor: pointer; padding: 4px 0; }
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details summary:hover { color: var(--fg); }
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details pre {
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background: rgba(0,0,0,.4); padding: 10px;
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border-radius: 8px; overflow-x: auto;
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border: 1px solid var(--border);
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color: var(--fg);
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font-size: 0.82rem;
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margin: 6px 0 0;
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}
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@media (max-width: 520px) {
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main { padding: 8px 10px env(safe-area-inset-bottom, 8px); gap: 8px; }
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h1 { font-size: 1rem; }
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header small { display: none; }
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.bubble { font-size: 0.92rem; }
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}
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</style>
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</head>
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<body>
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<main>
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<header>
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<h1>llm.famzheng.me</h1>
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<small id="meta">gemma-4-31b-it · 反向代理</small>
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</header>
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<div class="config">
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<input id="token" type="password" autocomplete="off" spellcheck="false"
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placeholder="your auth token" />
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<button class="ghost" id="reset" type="button">清空对话</button>
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</div>
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<div class="thread" id="thread">
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<div class="empty" id="empty">
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填好 token 后开聊。<br />
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<kbd>Enter</kbd> 发送 · <kbd>Shift+Enter</kbd> 换行
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</div>
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</div>
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<footer>
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<textarea id="input" rows="1" placeholder="说点什么..."
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autocomplete="off" autocapitalize="off"></textarea>
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<button class="send" id="send" type="button">发送</button>
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</footer>
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<details>
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<summary>curl example</summary>
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<pre>curl -X POST https://llm.famzheng.me/v1/chat/completions \
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-H 'Authorization: token <your-token>' \
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-H 'Content-Type: application/json' \
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-d '{
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"model": "gemma-4-31b-it",
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"messages": [{"role":"user","content":"hello"}]
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}'</pre>
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</details>
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</main>
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<script>
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const TOKEN_KEY = 'llm-proxy-token'
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const tokenInput = document.getElementById('token')
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const sendBtn = document.getElementById('send')
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const resetBtn = document.getElementById('reset')
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const input = document.getElementById('input')
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const thread = document.getElementById('thread')
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const empty = document.getElementById('empty')
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tokenInput.value = localStorage.getItem(TOKEN_KEY) || ''
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tokenInput.addEventListener('change', () => {
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localStorage.setItem(TOKEN_KEY, tokenInput.value.trim())
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})
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const history = []
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function clearEmpty() {
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if (empty && empty.parentNode === thread) thread.removeChild(empty)
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}
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function scrollToBottom() {
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// double rAF: 一次让浏览器 layout 新节点，第二次再滚
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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thread.scrollTo({ top: thread.scrollHeight, behavior: 'smooth' })
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})
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})
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}
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function addBubble(role, text, opts = {}) {
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clearEmpty()
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const row = document.createElement('div')
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row.className = 'row ' + role
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const bubble = document.createElement('div')
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bubble.className = 'bubble'
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bubble.textContent = text
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row.appendChild(bubble)
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if (role === 'assistant' && !opts.err) {
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const meta = document.createElement('div')
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meta.className = 'meta'
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const copy = document.createElement('button')
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copy.className = 'copy-btn'
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copy.type = 'button'
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copy.textContent = '复制'
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copy.addEventListener('click', async () => {
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try {
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await navigator.clipboard.writeText(text)
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copy.textContent = '已复制'
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setTimeout(() => (copy.textContent = '复制'), 1200)
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} catch {
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copy.textContent = '复制失败'
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}
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})
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meta.appendChild(copy)
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bubble.appendChild(document.createElement('br'))
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bubble.appendChild(meta)
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}
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thread.appendChild(row)
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scrollToBottom()
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return bubble
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}
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function addErr(text) {
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clearEmpty()
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const row = document.createElement('div')
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row.className = 'row err'
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const b = document.createElement('div')
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b.className = 'bubble'
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b.textContent = text
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row.appendChild(b)
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thread.appendChild(row)
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scrollToBottom()
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}
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function addTyping() {
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clearEmpty()
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const row = document.createElement('div')
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row.className = 'row assistant'
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const bubble = document.createElement('div')
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bubble.className = 'bubble typing'
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bubble.innerHTML = '<span></span><span></span><span></span>'
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row.appendChild(bubble)
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thread.appendChild(row)
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scrollToBottom()
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return row
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}
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// textarea 自动 grow
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function autoGrow() {
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input.style.height = 'auto'
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const next = Math.min(input.scrollHeight, 200)
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input.style.height = next + 'px'
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}
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input.addEventListener('input', autoGrow)
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async function send() {
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const text = input.value.trim()
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const token = tokenInput.value.trim()
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if (!text) return
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if (!token) {
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addErr('先在上方填 token。')
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tokenInput.focus()
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return
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}
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input.value = ''
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autoGrow()
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history.push({ role: 'user', content: text })
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addBubble('user', text)
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sendBtn.disabled = true
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const dot = addTyping()
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try {
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const res = await fetch('/v1/chat/completions', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'Authorization': 'token ' + token,
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},
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body: JSON.stringify({
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model: 'gemma-4-31b-it',
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messages: history,
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}),
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})
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const body = await res.text()
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dot.remove()
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if (!res.ok) {
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addErr(`HTTP ${res.status} — ${body || '(空响应)'}`)
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history.pop()
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return
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}
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let data
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try {
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data = JSON.parse(body)
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} catch {
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addErr('上游返回非 JSON: ' + body.slice(0, 300))
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history.pop()
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return
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}
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const reply = data?.choices?.[0]?.message?.content?.trim() || '(空回复)'
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history.push({ role: 'assistant', content: reply })
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addBubble('assistant', reply)
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} catch (e) {
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dot.remove()
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addErr('网络错误: ' + e.message)
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history.pop()
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} finally {
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sendBtn.disabled = false
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input.focus()
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}
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}
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sendBtn.addEventListener('click', send)
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input.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault()
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send()
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}
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})
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resetBtn.addEventListener('click', () => {
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history.length = 0
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thread.innerHTML = ''
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thread.appendChild(empty)
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input.focus()
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})
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// 自动聚焦：如果已有 token 聚焦输入框，否则聚焦 token 框
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window.addEventListener('load', () => {
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if (tokenInput.value) input.focus()
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else tokenInput.focus()
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})
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</script>
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</body>
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</html>
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