feat: homework multi-image upload and crop
这个提交包含在：
cryptocommuniums-afk
22
frontend/Dockerfile
普通文件
22
frontend/Dockerfile
普通文件
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FROM node:20-alpine AS deps
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WORKDIR /app
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COPY package.json package-lock.json* ./
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RUN npm install --no-audit --no-fund
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FROM node:20-alpine AS builder
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WORKDIR /app
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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ENV NEXT_PUBLIC_API_BASE=/api
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RUN npm run build
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FROM node:20-alpine AS runner
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WORKDIR /app
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ENV NODE_ENV=production
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COPY --from=builder /app/public ./public
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COPY --from=builder /app/.next/standalone ./
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COPY --from=builder /app/.next/static ./.next/static
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EXPOSE 3000
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CMD ["node", "server.js"]
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384
frontend/app/globals.css
普通文件
384
frontend/app/globals.css
普通文件
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:root {
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--ink: #1f1d1a;
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--paper: #f8f1e5;
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--paper-2: #f2e6d2;
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--accent: #f05a28;
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--accent-dark: #c03d12;
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--teal: #0f4c5c;
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--shadow: rgba(31, 29, 26, 0.18);
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--radius: 22px;
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}
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* {
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box-sizing: border-box;
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}
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body {
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margin: 0;
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min-height: 100vh;
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background: radial-gradient(1200px 600px at 10% 10%, rgba(240, 90, 40, 0.08), transparent 60%),
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radial-gradient(1000px 500px at 90% 20%, rgba(15, 76, 92, 0.12), transparent 60%),
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var(--paper);
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color: var(--ink);
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font-family: var(--font-body), serif;
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line-height: 1.6;
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position: relative;
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overflow-x: hidden;
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}
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body::before {
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content: "";
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position: fixed;
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inset: 0;
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background-image: repeating-linear-gradient(
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0deg,
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rgba(31, 29, 26, 0.03),
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rgba(31, 29, 26, 0.03) 1px,
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transparent 1px,
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transparent 24px
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),
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repeating-linear-gradient(
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90deg,
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rgba(31, 29, 26, 0.02),
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rgba(31, 29, 26, 0.02) 1px,
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transparent 1px,
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transparent 24px
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);
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mix-blend-mode: multiply;
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pointer-events: none;
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opacity: 0.4;
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}
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main {
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position: relative;
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padding: 64px 8vw 80px;
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}
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h1, h2, h3 {
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font-family: var(--font-display), serif;
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margin: 0;
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letter-spacing: -0.01em;
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}
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a {
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color: inherit;
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text-decoration: none;
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}
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button {
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font-family: var(--font-mono), monospace;
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}
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.page {
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display: flex;
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flex-direction: column;
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gap: 32px;
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}
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.hero {
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display: grid;
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grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
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gap: 24px;
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align-items: center;
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padding: 36px 40px;
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background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(246, 232, 210, 0.75));
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border-radius: var(--radius);
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box-shadow: 0 30px 80px var(--shadow);
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border: 1px solid rgba(31, 29, 26, 0.08);
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}
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.hero-title {
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font-size: clamp(2.4rem, 4vw, 3.4rem);
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}
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.hero p {
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margin: 12px 0 0;
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font-size: 1.05rem;
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color: rgba(31, 29, 26, 0.78);
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}
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.hero .stamp {
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justify-self: end;
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border: 2px dashed var(--accent);
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padding: 16px 20px;
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border-radius: 18px;
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transform: rotate(-2deg);
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background: rgba(240, 90, 40, 0.08);
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font-family: var(--font-mono), monospace;
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text-transform: uppercase;
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letter-spacing: 0.12em;
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font-size: 0.75rem;
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}
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.grid {
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display: grid;
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grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
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gap: 24px;
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}
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.card {
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background: rgba(255, 255, 255, 0.85);
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border-radius: var(--radius);
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padding: 24px;
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border: 1px solid rgba(31, 29, 26, 0.08);
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box-shadow: 0 20px 50px rgba(31, 29, 26, 0.12);
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backdrop-filter: blur(8px);
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}
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.card header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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margin-bottom: 16px;
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}
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.section-title {
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font-size: 1.4rem;
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}
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.tag {
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font-family: var(--font-mono), monospace;
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font-size: 0.72rem;
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padding: 6px 10px;
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border-radius: 999px;
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border: 1px solid rgba(31, 29, 26, 0.1);
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background: rgba(15, 76, 92, 0.08);
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color: var(--teal);
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}
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.username-card {
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display: flex;
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flex-wrap: wrap;
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gap: 12px;
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align-items: center;
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}
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.input {
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flex: 1 1 220px;
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padding: 12px 14px;
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border-radius: 14px;
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border: 1px solid rgba(31, 29, 26, 0.2);
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background: #fffefb;
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font-size: 0.98rem;
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font-family: var(--font-body), serif;
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}
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textarea.input {
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resize: vertical;
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}
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.button {
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padding: 12px 18px;
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border-radius: 14px;
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border: none;
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background: var(--accent);
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color: #fff;
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font-weight: 600;
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cursor: pointer;
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transition: transform 0.2s ease, box-shadow 0.2s ease;
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}
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.button.secondary {
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background: rgba(15, 76, 92, 0.12);
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color: var(--teal);
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border: 1px solid rgba(15, 76, 92, 0.3);
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}
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.button.ghost {
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background: transparent;
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border: 1px dashed rgba(31, 29, 26, 0.3);
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color: var(--ink);
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}
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.button:disabled {
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opacity: 0.6;
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cursor: not-allowed;
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box-shadow: none;
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}
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.button:not(:disabled):hover {
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transform: translateY(-2px);
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box-shadow: 0 10px 24px rgba(240, 90, 40, 0.25);
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}
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.upload-area {
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border: 2px dashed rgba(31, 29, 26, 0.25);
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border-radius: 18px;
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padding: 18px;
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display: grid;
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gap: 12px;
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background: rgba(255, 255, 255, 0.7);
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}
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.preview {
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width: 100%;
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border-radius: 16px;
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border: 1px solid rgba(31, 29, 26, 0.1);
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object-fit: cover;
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max-height: 260px;
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}
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.thumbnail-grid {
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display: grid;
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gap: 12px;
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}
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.thumb-card {
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background: rgba(255, 255, 255, 0.7);
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border: 1px solid rgba(31, 29, 26, 0.08);
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border-radius: 16px;
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padding: 12px;
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display: grid;
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gap: 10px;
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}
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.thumb-actions {
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display: flex;
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justify-content: space-between;
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align-items: center;
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gap: 8px;
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flex-wrap: wrap;
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}
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.thumb-buttons {
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display: flex;
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gap: 8px;
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flex-wrap: wrap;
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}
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.muted {
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color: rgba(31, 29, 26, 0.65);
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font-size: 0.92rem;
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}
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.assignments {
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display: grid;
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gap: 14px;
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max-height: 520px;
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overflow: auto;
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padding-right: 6px;
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}
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.image-grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
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gap: 12px;
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}
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.image-card {
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display: grid;
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gap: 8px;
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}
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.crop-overlay {
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position: fixed;
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inset: 0;
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background: rgba(0, 0, 0, 0.6);
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 24px;
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z-index: 1000;
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}
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.crop-modal {
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width: min(90vw, 720px);
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background: #fff;
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border-radius: 18px;
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padding: 16px;
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display: grid;
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gap: 12px;
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box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
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}
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.crop-area {
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position: relative;
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width: 100%;
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height: 360px;
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border-radius: 12px;
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overflow: hidden;
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background: #111;
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}
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.crop-controls {
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display: grid;
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gap: 10px;
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}
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.crop-buttons {
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display: flex;
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gap: 8px;
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flex-wrap: wrap;
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}
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.assignment-item {
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border: 1px solid rgba(31, 29, 26, 0.08);
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padding: 14px 16px;
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border-radius: 16px;
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background: rgba(255, 255, 255, 0.7);
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cursor: pointer;
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transition: border 0.2s ease, transform 0.2s ease;
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}
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.assignment-item.active {
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border-color: var(--accent);
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transform: translateY(-2px);
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box-shadow: 0 12px 22px rgba(240, 90, 40, 0.18);
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}
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.assignment-meta {
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display: flex;
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justify-content: space-between;
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align-items: center;
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font-family: var(--font-mono), monospace;
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font-size: 0.75rem;
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color: rgba(31, 29, 26, 0.6);
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}
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.markdown {
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background: #fffefb;
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border-radius: 18px;
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padding: 20px;
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border: 1px solid rgba(31, 29, 26, 0.08);
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}
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.markdown h1, .markdown h2, .markdown h3 {
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margin-top: 1em;
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}
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.markdown code {
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font-family: var(--font-mono), monospace;
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background: rgba(31, 29, 26, 0.08);
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padding: 2px 6px;
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border-radius: 6px;
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}
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.feedback {
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border-left: 4px solid var(--accent);
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padding: 12px 16px;
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background: rgba(240, 90, 40, 0.08);
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border-radius: 12px;
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}
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.camera {
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display: grid;
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gap: 12px;
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}
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.camera video {
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width: 100%;
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border-radius: 16px;
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border: 1px solid rgba(31, 29, 26, 0.1);
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}
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@media (max-width: 960px) {
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.hero {
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grid-template-columns: 1fr;
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}
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.hero .stamp {
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justify-self: start;
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}
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.grid {
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grid-template-columns: 1fr;
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}
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}
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39
frontend/app/layout.tsx
普通文件
39
frontend/app/layout.tsx
普通文件
@@ -0,0 +1,39 @@
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import "./globals.css";
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import { Fraunces, Source_Serif_4, IBM_Plex_Mono } from "next/font/google";
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const display = Fraunces({
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subsets: ["latin"],
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variable: "--font-display",
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weight: ["400", "500", "600", "700"],
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});
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const body = Source_Serif_4({
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subsets: ["latin"],
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variable: "--font-body",
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weight: ["400", "500", "600"],
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});
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const mono = IBM_Plex_Mono({
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subsets: ["latin"],
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variable: "--font-mono",
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weight: ["400", "500"],
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});
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export const metadata = {
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title: "作业工坊",
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description: "拍照或上传作业，自动转为 Markdown 并批改",
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};
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export default function RootLayout({
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children,
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}: {
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children: React.ReactNode;
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}) {
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return (
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<html lang="zh">
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<body className={`${display.variable} ${body.variable} ${mono.variable}`}>
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{children}
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</body>
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</html>
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);
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}
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638
frontend/app/page.tsx
普通文件
638
frontend/app/page.tsx
普通文件
@@ -0,0 +1,638 @@
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"use client";
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import { useCallback, useEffect, useRef, useState } from "react";
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import clsx from "clsx";
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import ReactMarkdown from "react-markdown";
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import Cropper from "react-easy-crop";
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const apiBase = process.env.NEXT_PUBLIC_API_BASE || "/api";
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type AssignmentSummary = {
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id: number;
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username: string;
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title: string;
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score: number;
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imagePath?: string;
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imagePaths?: string[];
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createdAt: string;
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};
|
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type AssignmentDetail = AssignmentSummary & {
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ocrText?: string;
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markdown: string;
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feedback: string;
|
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imagePath?: string;
|
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imagePaths?: string[];
|
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};
|
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|
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type ImageItem = {
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id: string;
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name: string;
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file: Blob;
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previewUrl: string;
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croppedBlob?: Blob;
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croppedUrl?: string;
|
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};
|
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export default function HomePage() {
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const [username, setUsername] = useState("");
|
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const [savedUser, setSavedUser] = useState("");
|
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const [assignments, setAssignments] = useState<AssignmentSummary[]>([]);
|
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const [selectedId, setSelectedId] = useState<number | null>(null);
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const [selected, setSelected] = useState<AssignmentDetail | null>(null);
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const [title, setTitle] = useState("");
|
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const [images, setImages] = useState<ImageItem[]>([]);
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const [isSubmitting, setIsSubmitting] = useState(false);
|
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const [error, setError] = useState("");
|
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const [info, setInfo] = useState("");
|
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|
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const videoRef = useRef<HTMLVideoElement>(null);
|
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const streamRef = useRef<MediaStream | null>(null);
|
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const imagesRef = useRef<ImageItem[]>([]);
|
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|
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const [cropTarget, setCropTarget] = useState<ImageItem | null>(null);
|
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const [crop, setCrop] = useState({ x: 0, y: 0 });
|
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const [zoom, setZoom] = useState(1);
|
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const [croppedAreaPixels, setCroppedAreaPixels] = useState<{
|
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x: number;
|
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y: number;
|
||||
width: number;
|
||||
height: number;
|
||||
} | null>(null);
|
||||
|
||||
useEffect(() => {
|
||||
const stored = window.localStorage.getItem("hw_username");
|
||||
if (stored) {
|
||||
setUsername(stored);
|
||||
setSavedUser(stored);
|
||||
void loadAssignments(stored);
|
||||
}
|
||||
return () => {
|
||||
if (streamRef.current) {
|
||||
streamRef.current.getTracks().forEach((track) => track.stop());
|
||||
}
|
||||
imagesRef.current.forEach((item) => {
|
||||
URL.revokeObjectURL(item.previewUrl);
|
||||
if (item.croppedUrl) URL.revokeObjectURL(item.croppedUrl);
|
||||
});
|
||||
};
|
||||
}, []);
|
||||
|
||||
useEffect(() => {
|
||||
imagesRef.current = images;
|
||||
}, [images]);
|
||||
|
||||
const loadAssignments = async (user: string) => {
|
||||
setError("");
|
||||
try {
|
||||
const res = await fetch(`${apiBase}/assignments?username=${encodeURIComponent(user)}`);
|
||||
if (!res.ok) throw new Error("加载作业失败");
|
||||
const data = (await res.json()) as AssignmentSummary[];
|
||||
setAssignments(data);
|
||||
if (data.length > 0) {
|
||||
setSelectedId(data[0].id);
|
||||
await loadAssignmentDetail(data[0].id, user);
|
||||
}
|
||||
} catch (err) {
|
||||
setError(err instanceof Error ? err.message : "加载失败");
|
||||
}
|
||||
};
|
||||
|
||||
const loadAssignmentDetail = async (id: number, user = savedUser) => {
|
||||
setError("");
|
||||
try {
|
||||
const res = await fetch(
|
||||
`${apiBase}/assignments/${id}?username=${encodeURIComponent(user)}`
|
||||
);
|
||||
if (!res.ok) throw new Error("加载详情失败");
|
||||
const data = (await res.json()) as AssignmentDetail;
|
||||
setSelected(data);
|
||||
} catch (err) {
|
||||
setError(err instanceof Error ? err.message : "加载失败");
|
||||
}
|
||||
};
|
||||
|
||||
const handleSaveUser = async () => {
|
||||
if (!username.trim()) return;
|
||||
const user = username.trim();
|
||||
setSavedUser(user);
|
||||
window.localStorage.setItem("hw_username", user);
|
||||
await loadAssignments(user);
|
||||
};
|
||||
|
||||
const createId = () =>
|
||||
typeof crypto !== "undefined" && "randomUUID" in crypto
|
||||
? crypto.randomUUID()
|
||||
: `${Date.now()}-${Math.random().toString(16).slice(2)}`;
|
||||
|
||||
const revokeItemUrls = (item: ImageItem) => {
|
||||
URL.revokeObjectURL(item.previewUrl);
|
||||
if (item.croppedUrl) URL.revokeObjectURL(item.croppedUrl);
|
||||
};
|
||||
|
||||
const createImageItem = (file: Blob, name: string): ImageItem => ({
|
||||
id: createId(),
|
||||
name,
|
||||
file,
|
||||
previewUrl: URL.createObjectURL(file),
|
||||
});
|
||||
|
||||
const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
|
||||
setError("");
|
||||
const files = Array.from(event.target.files ?? []);
|
||||
if (files.length === 0) return;
|
||||
const newItems = files.map((file) =>
|
||||
createImageItem(file, file.name || `upload-${Date.now()}.png`)
|
||||
);
|
||||
setImages((prev) => [...prev, ...newItems]);
|
||||
setInfo(`已选择 ${files.length} 张图片，可继续追加上传。`);
|
||||
event.target.value = "";
|
||||
};
|
||||
|
||||
const clearImages = () => {
|
||||
setImages((prev) => {
|
||||
prev.forEach(revokeItemUrls);
|
||||
return [];
|
||||
});
|
||||
setCropTarget(null);
|
||||
setCroppedAreaPixels(null);
|
||||
};
|
||||
|
||||
const removeImage = (id: string) => {
|
||||
setImages((prev) => {
|
||||
const target = prev.find((item) => item.id === id);
|
||||
if (target) revokeItemUrls(target);
|
||||
return prev.filter((item) => item.id !== id);
|
||||
});
|
||||
if (cropTarget?.id === id) {
|
||||
setCropTarget(null);
|
||||
setCroppedAreaPixels(null);
|
||||
}
|
||||
};
|
||||
|
||||
const onCropComplete = useCallback((_: unknown, areaPixels: any) => {
|
||||
setCroppedAreaPixels(areaPixels);
|
||||
}, []);
|
||||
|
||||
const createImage = (url: string) =>
|
||||
new Promise<HTMLImageElement>((resolve, reject) => {
|
||||
const image = new Image();
|
||||
image.addEventListener("load", () => resolve(image));
|
||||
image.addEventListener("error", (err) => reject(err));
|
||||
image.setAttribute("crossOrigin", "anonymous");
|
||||
image.src = url;
|
||||
});
|
||||
|
||||
const getCroppedImg = async (imageSrc: string, cropArea: { x: number; y: number; width: number; height: number }) => {
|
||||
const image = await createImage(imageSrc);
|
||||
const canvas = document.createElement("canvas");
|
||||
canvas.width = cropArea.width;
|
||||
canvas.height = cropArea.height;
|
||||
const ctx = canvas.getContext("2d");
|
||||
if (!ctx) throw new Error("Canvas not supported");
|
||||
|
||||
ctx.drawImage(
|
||||
image,
|
||||
cropArea.x,
|
||||
cropArea.y,
|
||||
cropArea.width,
|
||||
cropArea.height,
|
||||
0,
|
||||
0,
|
||||
cropArea.width,
|
||||
cropArea.height
|
||||
);
|
||||
|
||||
return new Promise<Blob>((resolve, reject) => {
|
||||
canvas.toBlob((blob) => {
|
||||
if (!blob) {
|
||||
reject(new Error("Crop failed"));
|
||||
return;
|
||||
}
|
||||
resolve(blob);
|
||||
}, "image/png");
|
||||
});
|
||||
};
|
||||
|
||||
const applyCrop = async () => {
|
||||
if (!cropTarget || !croppedAreaPixels) return;
|
||||
try {
|
||||
const blob = await getCroppedImg(cropTarget.previewUrl, croppedAreaPixels);
|
||||
const croppedUrl = URL.createObjectURL(blob);
|
||||
setImages((prev) =>
|
||||
prev.map((item) => {
|
||||
if (item.id !== cropTarget.id) return item;
|
||||
if (item.croppedUrl) URL.revokeObjectURL(item.croppedUrl);
|
||||
return { ...item, croppedBlob: blob, croppedUrl };
|
||||
})
|
||||
);
|
||||
setInfo("裁剪已应用，可直接提交或继续裁剪。");
|
||||
} catch {
|
||||
setError("裁剪失败，请重试");
|
||||
} finally {
|
||||
setCropTarget(null);
|
||||
setCroppedAreaPixels(null);
|
||||
setZoom(1);
|
||||
setCrop({ x: 0, y: 0 });
|
||||
}
|
||||
};
|
||||
|
||||
const openCrop = (item: ImageItem) => {
|
||||
setCropTarget(item);
|
||||
setCrop({ x: 0, y: 0 });
|
||||
setZoom(1);
|
||||
setCroppedAreaPixels(null);
|
||||
};
|
||||
|
||||
const restoreCrop = (id: string) => {
|
||||
setImages((prev) =>
|
||||
prev.map((item) => {
|
||||
if (item.id !== id) return item;
|
||||
if (item.croppedUrl) URL.revokeObjectURL(item.croppedUrl);
|
||||
return { ...item, croppedBlob: undefined, croppedUrl: undefined };
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
const startCamera = async () => {
|
||||
setError("");
|
||||
try {
|
||||
const stream = await navigator.mediaDevices.getUserMedia({
|
||||
video: { facingMode: "environment" },
|
||||
});
|
||||
streamRef.current = stream;
|
||||
if (videoRef.current) {
|
||||
videoRef.current.srcObject = stream;
|
||||
await videoRef.current.play();
|
||||
}
|
||||
} catch (err) {
|
||||
setError("无法打开摄像头，请检查权限设置");
|
||||
}
|
||||
};
|
||||
|
||||
const capturePhoto = async () => {
|
||||
setError("");
|
||||
if (!videoRef.current) return;
|
||||
const video = videoRef.current;
|
||||
const canvas = document.createElement("canvas");
|
||||
canvas.width = video.videoWidth;
|
||||
canvas.height = video.videoHeight;
|
||||
const ctx = canvas.getContext("2d");
|
||||
if (!ctx) return;
|
||||
ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
|
||||
const dataUrl = canvas.toDataURL("image/png");
|
||||
const blob = await (await fetch(dataUrl)).blob();
|
||||
const item = createImageItem(blob, `camera-${Date.now()}.png`);
|
||||
setImages((prev) => [...prev, item]);
|
||||
setInfo("拍照完成，可直接提交或继续拍照。");
|
||||
};
|
||||
|
||||
const stopCamera = () => {
|
||||
if (streamRef.current) {
|
||||
streamRef.current.getTracks().forEach((track) => track.stop());
|
||||
streamRef.current = null;
|
||||
}
|
||||
};
|
||||
|
||||
const handleSubmit = async () => {
|
||||
if (!savedUser) {
|
||||
setError("请先设置用户名");
|
||||
return;
|
||||
}
|
||||
if (images.length === 0) {
|
||||
setError("请先上传或拍照作业图片");
|
||||
return;
|
||||
}
|
||||
setError("");
|
||||
setIsSubmitting(true);
|
||||
setInfo("正在提交图片并调用 LLM 批改，请稍候...");
|
||||
try {
|
||||
const formData = new FormData();
|
||||
formData.append("username", savedUser);
|
||||
if (title.trim()) {
|
||||
formData.append("title", title.trim());
|
||||
}
|
||||
images.forEach((item, index) => {
|
||||
const blob = item.croppedBlob ?? item.file;
|
||||
const name = item.name || `page-${index + 1}.png`;
|
||||
formData.append("images", blob, name);
|
||||
});
|
||||
|
||||
const res = await fetch(`${apiBase}/assignments`, {
|
||||
method: "POST",
|
||||
body: formData,
|
||||
});
|
||||
if (!res.ok) {
|
||||
const payload = await res.json().catch(() => ({}));
|
||||
throw new Error(payload.error || "提交失败");
|
||||
}
|
||||
const created = (await res.json()) as AssignmentDetail;
|
||||
setAssignments((prev) => [created, ...prev]);
|
||||
setSelectedId(created.id);
|
||||
setSelected(created);
|
||||
setTitle("");
|
||||
clearImages();
|
||||
setInfo("批改完成，可在右侧查看结果。");
|
||||
} catch (err) {
|
||||
setError(err instanceof Error ? err.message : "提交失败");
|
||||
} finally {
|
||||
setIsSubmitting(false);
|
||||
}
|
||||
};
|
||||
|
||||
const handleDelete = async (id: number) => {
|
||||
if (!savedUser) return;
|
||||
try {
|
||||
const res = await fetch(
|
||||
`${apiBase}/assignments/${id}?username=${encodeURIComponent(savedUser)}`,
|
||||
{ method: "DELETE" }
|
||||
);
|
||||
if (!res.ok) throw new Error("删除失败");
|
||||
setAssignments((prev) => prev.filter((item) => item.id !== id));
|
||||
if (selectedId === id) {
|
||||
setSelectedId(null);
|
||||
setSelected(null);
|
||||
}
|
||||
} catch (err) {
|
||||
setError(err instanceof Error ? err.message : "删除失败");
|
||||
}
|
||||
};
|
||||
|
||||
const imageUrlFor = (id: number, index = 0) =>
|
||||
`${apiBase}/assignments/${id}/image?username=${encodeURIComponent(savedUser)}&index=${index}`;
|
||||
|
||||
const imageCountFor = (item: AssignmentSummary) =>
|
||||
item.imagePaths?.length ?? (item.imagePath ? 1 : 0);
|
||||
|
||||
const selectedImagePaths =
|
||||
selected?.imagePaths && selected.imagePaths.length > 0
|
||||
? selected.imagePaths
|
||||
: selected?.imagePath
|
||||
? [selected.imagePath]
|
||||
: [];
|
||||
|
||||
return (
|
||||
<main>
|
||||
<div className="page">
|
||||
<section className="hero">
|
||||
<div>
|
||||
<h1 className="hero-title">作业工坊</h1>
|
||||
<p>
|
||||
上传或拍照作业，直接交给 LLM 识别与批改，返回 Markdown 与反馈。
|
||||
前端无需登录，只需一个用户名即可管理自己的作业记录。
|
||||
</p>
|
||||
</div>
|
||||
<div className="stamp">Homework Atelier</div>
|
||||
</section>
|
||||
|
||||
<section className="card">
|
||||
<header>
|
||||
<h2 className="section-title">我的身份</h2>
|
||||
<span className="tag">NO LOGIN REQUIRED</span>
|
||||
</header>
|
||||
<div className="username-card">
|
||||
<input
|
||||
className="input"
|
||||
placeholder="输入用户名（例如：小明）"
|
||||
value={username}
|
||||
onChange={(event) => setUsername(event.target.value)}
|
||||
/>
|
||||
<button className="button" onClick={handleSaveUser}>
|
||||
开始管理
|
||||
</button>
|
||||
{savedUser && (
|
||||
<span className="muted">当前用户：{savedUser}</span>
|
||||
)}
|
||||
</div>
|
||||
</section>
|
||||
|
||||
<section className="grid">
|
||||
<div className="card">
|
||||
<header>
|
||||
<h2 className="section-title">上传作业</h2>
|
||||
<span className="tag">IMAGE + LLM</span>
|
||||
</header>
|
||||
<div className="upload-area">
|
||||
<label className="muted">作业标题</label>
|
||||
<input
|
||||
className="input"
|
||||
placeholder="例如：数学作业 第5次"
|
||||
value={title}
|
||||
onChange={(event) => setTitle(event.target.value)}
|
||||
/>
|
||||
|
||||
<label className="muted">上传图片（支持多页）</label>
|
||||
<input type="file" accept="image/*" multiple onChange={handleFileChange} />
|
||||
<div className="muted">默认不裁剪，可选择“裁剪”后提交。</div>
|
||||
|
||||
<div className="camera">
|
||||
<label className="muted">在线拍照</label>
|
||||
<video ref={videoRef} playsInline muted />
|
||||
<div style={{ display: "flex", gap: 8, flexWrap: "wrap" }}>
|
||||
<button className="button secondary" onClick={startCamera}>
|
||||
打开摄像头
|
||||
</button>
|
||||
<button className="button" onClick={capturePhoto}>
|
||||
拍照提交
|
||||
</button>
|
||||
<button className="button ghost" onClick={stopCamera}>
|
||||
关闭摄像头
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{images.length > 0 && (
|
||||
<div className="thumbnail-grid">
|
||||
{images.map((item, index) => (
|
||||
<div key={item.id} className="thumb-card">
|
||||
<img
|
||||
className="preview"
|
||||
src={item.croppedUrl ?? item.previewUrl}
|
||||
alt={`第${index + 1}张`}
|
||||
/>
|
||||
<div className="thumb-actions">
|
||||
<span className="muted">第 {index + 1} 张</span>
|
||||
<div className="thumb-buttons">
|
||||
<button className="button secondary" onClick={() => openCrop(item)}>
|
||||
裁剪
|
||||
</button>
|
||||
{item.croppedBlob && (
|
||||
<button
|
||||
className="button ghost"
|
||||
onClick={() => restoreCrop(item.id)}
|
||||
>
|
||||
恢复原图
|
||||
</button>
|
||||
)}
|
||||
<button className="button ghost" onClick={() => removeImage(item.id)}>
|
||||
移除
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{images.length > 0 && (
|
||||
<button className="button ghost" onClick={clearImages}>
|
||||
清空图片
|
||||
</button>
|
||||
)}
|
||||
|
||||
<button
|
||||
className="button"
|
||||
onClick={handleSubmit}
|
||||
disabled={isSubmitting}
|
||||
>
|
||||
{isSubmitting ? "批改中..." : "提交批改"}
|
||||
</button>
|
||||
|
||||
{error && <div className="feedback">{error}</div>}
|
||||
{info && <div className="feedback">{info}</div>}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="card">
|
||||
<header>
|
||||
<h2 className="section-title">我的作业档案</h2>
|
||||
<span className="tag">HISTORY</span>
|
||||
</header>
|
||||
<div className="assignments">
|
||||
{assignments.length === 0 && (
|
||||
<div className="muted">暂无作业记录</div>
|
||||
)}
|
||||
{assignments.map((item) => (
|
||||
<div
|
||||
key={item.id}
|
||||
className={clsx("assignment-item", {
|
||||
active: item.id === selectedId,
|
||||
})}
|
||||
onClick={async () => {
|
||||
setSelectedId(item.id);
|
||||
await loadAssignmentDetail(item.id);
|
||||
}}
|
||||
>
|
||||
<strong>{item.title}</strong>
|
||||
<div className="assignment-meta">
|
||||
<span>评分：{item.score || "-"}</span>
|
||||
<span>{new Date(item.createdAt).toLocaleString()}</span>
|
||||
</div>
|
||||
<div style={{ display: "flex", gap: 8, flexWrap: "wrap", marginTop: 8 }}>
|
||||
{imageCountFor(item) > 0 && (
|
||||
<a
|
||||
className="button secondary"
|
||||
href={imageUrlFor(item.id, 0)}
|
||||
download={`assignment-${item.id}-1.png`}
|
||||
onClick={(event) => event.stopPropagation()}
|
||||
>
|
||||
保存图片{imageCountFor(item) > 1 ? ` (${imageCountFor(item)}张)` : ""}
|
||||
</a>
|
||||
)}
|
||||
<button
|
||||
className="button ghost"
|
||||
onClick={(event) => {
|
||||
event.stopPropagation();
|
||||
void handleDelete(item.id);
|
||||
}}
|
||||
>
|
||||
删除
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
</section>
|
||||
|
||||
<section className="card">
|
||||
<header>
|
||||
<h2 className="section-title">批改结果</h2>
|
||||
<span className="tag">MARKDOWN</span>
|
||||
</header>
|
||||
{!selected && <div className="muted">选择一条作业查看详情</div>}
|
||||
{selected && (
|
||||
<div style={{ display: "grid", gap: 16 }}>
|
||||
<div className="assignment-meta">
|
||||
<span>标题：{selected.title}</span>
|
||||
<span>评分：{selected.score || "-"}</span>
|
||||
</div>
|
||||
{selectedImagePaths.length > 0 && (
|
||||
<div style={{ display: "grid", gap: 12 }}>
|
||||
<div className="assignment-meta">
|
||||
<span>原始图片（共 {selectedImagePaths.length} 张）</span>
|
||||
</div>
|
||||
<div className="image-grid">
|
||||
{selectedImagePaths.map((_, index) => (
|
||||
<div key={`${selected.id}-${index}`} className="image-card">
|
||||
<img
|
||||
className="preview"
|
||||
src={imageUrlFor(selected.id, index)}
|
||||
alt={`作业原图 ${index + 1}`}
|
||||
/>
|
||||
<a
|
||||
className="button secondary"
|
||||
href={imageUrlFor(selected.id, index)}
|
||||
download={`assignment-${selected.id}-${index + 1}.png`}
|
||||
>
|
||||
保存第 {index + 1} 张
|
||||
</a>
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
<div className="markdown">
|
||||
<ReactMarkdown>{selected.markdown}</ReactMarkdown>
|
||||
</div>
|
||||
{selected.feedback && (
|
||||
<div className="feedback">
|
||||
<strong>批改意见：</strong>
|
||||
<div>{selected.feedback}</div>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
)}
|
||||
</section>
|
||||
</div>
|
||||
|
||||
{cropTarget && (
|
||||
<div className="crop-overlay">
|
||||
<div className="crop-modal">
|
||||
<div className="crop-area">
|
||||
<Cropper
|
||||
image={cropTarget.previewUrl}
|
||||
crop={crop}
|
||||
zoom={zoom}
|
||||
aspect={4 / 3}
|
||||
onCropChange={setCrop}
|
||||
onZoomChange={setZoom}
|
||||
onCropComplete={onCropComplete}
|
||||
/>
|
||||
</div>
|
||||
<div className="crop-controls">
|
||||
<label className="muted">缩放</label>
|
||||
<input
|
||||
type="range"
|
||||
min={1}
|
||||
max={3}
|
||||
step={0.05}
|
||||
value={zoom}
|
||||
onChange={(event) => setZoom(Number(event.target.value))}
|
||||
/>
|
||||
<div className="crop-buttons">
|
||||
<button className="button secondary" onClick={applyCrop}>
|
||||
应用裁剪
|
||||
</button>
|
||||
<button className="button ghost" onClick={() => setCropTarget(null)}>
|
||||
取消
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
</main>
|
||||
);
|
||||
}
|
||||
5
frontend/next-env.d.ts
vendored
普通文件
5
frontend/next-env.d.ts
vendored
普通文件
@@ -0,0 +1,5 @@
|
||||
/// <reference types="next" />
|
||||
/// <reference types="next/image-types/global" />
|
||||
|
||||
// NOTE: This file should not be edited
|
||||
// see https://nextjs.org/docs/app/building-your-application/configuring/typescript for more information.
|
||||
7
frontend/next.config.js
普通文件
7
frontend/next.config.js
普通文件
@@ -0,0 +1,7 @@
|
||||
/** @type {import("next").NextConfig} */
|
||||
const nextConfig = {
|
||||
reactStrictMode: true,
|
||||
output: "standalone"
|
||||
};
|
||||
|
||||
module.exports = nextConfig;
|
||||
1730
frontend/package-lock.json
自动生成的
普通文件
1730
frontend/package-lock.json
自动生成的
普通文件
文件差异内容过多而无法显示
加载差异
25
frontend/package.json
普通文件
25
frontend/package.json
普通文件
@@ -0,0 +1,25 @@
|
||||
{
|
||||
"name": "homework-frontend",
|
||||
"private": true,
|
||||
"version": "1.0.0",
|
||||
"scripts": {
|
||||
"dev": "next dev",
|
||||
"build": "next build",
|
||||
"start": "next start -p 3000",
|
||||
"lint": "next lint"
|
||||
},
|
||||
"dependencies": {
|
||||
"clsx": "^2.1.1",
|
||||
"next": "14.2.10",
|
||||
"react": "18.3.1",
|
||||
"react-dom": "18.3.1",
|
||||
"react-easy-crop": "^5.0.6",
|
||||
"react-markdown": "^9.0.1"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@types/node": "^20.11.30",
|
||||
"@types/react": "^18.2.66",
|
||||
"@types/react-dom": "^18.2.22",
|
||||
"typescript": "^5.4.5"
|
||||
}
|
||||
}
|
||||
0
frontend/public/.keep
普通文件
0
frontend/public/.keep
普通文件
38
frontend/tsconfig.json
普通文件
38
frontend/tsconfig.json
普通文件
@@ -0,0 +1,38 @@
|
||||
{
|
||||
"compilerOptions": {
|
||||
"target": "ES2020",
|
||||
"lib": [
|
||||
"dom",
|
||||
"dom.iterable",
|
||||
"esnext"
|
||||
],
|
||||
"allowJs": true,
|
||||
"skipLibCheck": true,
|
||||
"strict": true,
|
||||
"noEmit": true,
|
||||
"esModuleInterop": true,
|
||||
"module": "esnext",
|
||||
"moduleResolution": "bundler",
|
||||
"resolveJsonModule": true,
|
||||
"isolatedModules": true,
|
||||
"jsx": "preserve",
|
||||
"incremental": true,
|
||||
"types": [
|
||||
"node"
|
||||
],
|
||||
"plugins": [
|
||||
{
|
||||
"name": "next"
|
||||
}
|
||||
]
|
||||
},
|
||||
"include": [
|
||||
"next-env.d.ts",
|
||||
"**/*.ts",
|
||||
"**/*.tsx",
|
||||
".next/types/**/*.ts"
|
||||
],
|
||||
"exclude": [
|
||||
"node_modules"
|
||||
]
|
||||
}
|
||||
在新工单中引用
屏蔽一个用户