zhihao.gu
/
PokemonCardSearch


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>宝可梦搜索服务</title>
    <style>
        :root {
            --primary-color: #4F46E5;
            --primary-hover: #4338ca;
            --bg-color: #f3f4f6;
            --card-bg: #ffffff;
            --text-main: #1f2937;
            --text-sub: #6b7280;
            --border-color: #e5e7eb;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.5;
            padding: 2rem 1rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        header {
            text-align: center;
            margin-bottom: 2rem;
        }
        header h1 {
            font-size: 2.5rem;
            color: var(--text-main);
            margin-bottom: 0.5rem;
        }

        /* --- Tab 切换样式 --- */
        .tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 1.5rem;
            gap: 1rem;
        }
        .tab-btn {
            background: transparent;
            border: none;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-sub);
            cursor: pointer;
            border-bottom: 3px solid transparent;
            transition: all 0.3s;
        }
        .tab-btn.active {
            color: var(--primary-color);
            border-bottom-color: var(--primary-color);
        }

        /* 搜索面板容器 */
        .search-panel-container {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            max-width: 800px; /* 稍微加宽一点，让大图看起来更舒服 */
            margin: 0 auto 2rem auto;
            min-height: 300px;
        }

        .panel-content { display: none; }
        .panel-content.active { display: block; animation: fadeIn 0.3s; }

        /* --- 图片上传区域样式 (重点修改部分) --- */
        .upload-zone {
            border: 2px dashed #d1d5db;
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            background-color: #fff;

            /* Flex 布局实现绝对居中 */
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;

            /* 设定一个最小高度 */
            min-height: 400px;
            position: relative;
        }

        .upload-zone:hover, .upload-zone.drag-active {
            border-color: var(--primary-color);
            background-color: #f9fafb;
        }

        /* 占位符样式 */
        #upload-placeholder {
            text-align: center;
            pointer-events: none;
        }

        /* 预览图片样式 */
        #preview-img {
            display: none;
            /* 只要不超过容器，尽可能大 */
            max-width: 95%;
            max-height: 450px;
            object-fit: contain; /* 保持比例 */

            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        /* --- 文本搜索区域样式 --- */
        .text-search-row {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        label {
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.9rem;
        }

        .form-input, .form-select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            background-color: #fff;
            transition: border-color 0.2s;
        }
        .form-input:focus, .form-select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        /* --- 公共控件样式 --- */
        .controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 1rem;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #f3f4f6;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 2.5rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s;
            display: inline-flex;
            align-items: center;
            box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2);
        }
        .search-btn:hover { background-color: var(--primary-hover); transform: translateY(-1px); }
        .search-btn:disabled { background-color: #9ca3af; cursor: not-allowed; transform: none; box-shadow: none;}

        .limit-input {
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            width: 80px;
            text-align: center;
        }

        /* --- 结果统计栏 --- */
        .stats-bar {
            max-width: 1200px;
            margin: 0 auto 1rem auto;
            padding: 0.75rem 1.5rem;
            background-color: #e0e7ff;
            color: #3730a3;
            border-radius: 8px;
            font-weight: 500;
            display: none;
            justify-content: center;
            text-align: center;
        }

        /* --- 结果卡片样式 --- */
        .results-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 1.5rem;
        }
        .result-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            flex-direction: column;
        }
        .result-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .card-img-wrapper {
            width: 100%;
            height: 280px;
            background-color: #f8fafc;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px;
        }
        .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
        }
        .card-info { padding: 1rem; }
        .card-title {
            font-size: 1.1rem;
            font-weight: bold;
            color: var(--text-main);
            margin-bottom: 0.25rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .card-meta {
            font-size: 0.875rem;
            color: var(--text-sub);
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
        }
        .lang-tag {
            background: #eee;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
            color: #555;
        }
        .lang-tag.us { background: #dbeafe; color: #1e40af; }
        .lang-tag.tc { background: #fee2e2; color: #991b1b; }

        /* 相似度条 */
        .similarity-wrapper { display: none; margin-top: 0.5rem; }
        .show-score .similarity-wrapper { display: block; }

        .score-bar-bg {
            height: 6px;
            background-color: #e5e7eb;
            border-radius: 3px;
            overflow: hidden;
        }
        .score-bar-fill {
            height: 100%;
            background-color: #10b981;
            width: 0%;
            transition: width 0.5s ease-out;
        }
        .score-text {
            font-size: 0.75rem;
            color: var(--text-sub);
            margin-top: 4px;
            text-align: right;
        }

        .spinner {
            border: 3px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            border-top: 3px solid white;
            width: 20px;
            height: 20px;
            animation: spin 1s linear infinite;
            margin-right: 8px;
            display: none;
        }
        @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        @keyframes popIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

        @media (max-width: 640px) {
            .text-search-row { grid-template-columns: 1fr; }
            .upload-zone { min-height: 250px; }
            #preview-img { max-height: 250px; }
        }
    </style>
</head>
<body>

    <div class="container">
        <header>
            <h1>宝可梦搜索服务</h1>
            <p>搜索宝可梦卡片数据库</p>
        </header>

        <!-- Tab 切换 -->
        <div class="tabs">
            <button class="tab-btn active" onclick="switchTab('img')">📷 以图搜图</button>
            <button class="tab-btn" onclick="switchTab('text')">🔤 名称搜索</button>
        </div>

        <div class="search-panel-container">

            <!-- 面板 1: 图片搜索 (CSS 已调整，支持大图居中) -->
            <div id="panel-img" class="panel-content active">
                <div class="upload-zone" id="dropZone">
                    <div id="upload-placeholder">
                        <svg xmlns="http://www.w3.org/2000/svg" width="64" height="64" viewBox="0 0 24 24" fill="none" stroke="#9ca3af" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" style="margin-bottom:1rem;">
                            <rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect>
                            <circle cx="8.5" cy="8.5" r="1.5"></circle>
                            <polyline points="21 15 16 10 5 21"></polyline>
                        </svg>
                        <span style="display:block; color:#6b7280; font-size:1.1rem;">点击或拖拽上传图片</span>
                    </div>

                    <img id="preview-img" src="" alt="Preview">
                    <input type="file" id="imgInput" accept="image/*" style="display:none">
                </div>

                <div class="controls">
                    <div style="display:flex; align-items:center; gap:0.5rem;">
                        <label>显示数量:</label>
                        <input type="number" id="imgTopN" class="limit-input" value="5" min="1" max="20">
                    </div>
                    <button class="search-btn" onclick="searchImage()" id="btnImgSearch">
                        <div class="spinner"></div> 搜索相似
                    </button>
                </div>
            </div>

            <!-- 文本搜索 -->
            <div id="panel-text" class="panel-content">
                <div class="text-search-row">
                    <div class="form-group">
                        <label for="cardNameInput">卡片名称 (模糊匹配)</label>
                        <input type="text" id="cardNameInput" class="form-input" placeholder="例如: Charizard, Pikachu...">
                    </div>

                    <!-- 语言选择 -->
                    <div class="form-group">
                        <label for="langInput">语言区域</label>
                        <select id="langInput" class="form-select">
                            <option value="">全部语言 (All)</option>
                            <option value="us">🇺🇸 英文 (US)</option>
                            <option value="tc">🇨🇳 繁体中文 (TC)</option>
                        </select>
                    </div>
                </div>

                <div class="controls">
                    <div style="display:flex; align-items:center; gap:0.5rem;">
                        <label>最大返回:</label>
                        <input type="number" id="textLimit" class="limit-input" value="20" min="1" max="100">
                    </div>
                    <button class="search-btn" onclick="searchByMetadata()" id="btnTextSearch">
                        <div class="spinner"></div> 查询数据
                    </button>
                </div>
            </div>

        </div>

        <!-- 统计信息栏 -->
        <div id="statsBar" class="stats-bar">
            <span id="statsText"></span>
        </div>

        <!-- 结果展示区域 -->
        <div id="resultsArea">
            <div class="results-grid" id="resultsGrid"></div>
        </div>
    </div>

    <script>
        // --- Tab 切换 ---
        function switchTab(type) {
            document.querySelectorAll('.tab-btn').forEach(b => b.classList.remove('active'));
            document.querySelectorAll('.panel-content').forEach(p => p.classList.remove('active'));

            if (type === 'img') {
                document.querySelector('.tab-btn:nth-child(1)').classList.add('active');
                document.getElementById('panel-img').classList.add('active');
            } else {
                document.querySelector('.tab-btn:nth-child(2)').classList.add('active');
                document.getElementById('panel-text').classList.add('active');
            }
            // 这里不清空
        }

        // --- 图片处理 (Drag & Drop) ---
        const dropZone = document.getElementById('dropZone');
        const imgInput = document.getElementById('imgInput');
        const previewImg = document.getElementById('preview-img');
        const placeholder = document.getElementById('upload-placeholder');

        ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(e => {
            dropZone.addEventListener(e, (ev) => { ev.preventDefault(); ev.stopPropagation(); }, false);
        });

        ['dragenter', 'dragover'].forEach(() => dropZone.classList.add('drag-active'));
        ['dragleave', 'drop'].forEach(() => dropZone.classList.remove('drag-active'));

        dropZone.addEventListener('drop', (e) => {
            if (e.dataTransfer.files.length) {
                imgInput.files = e.dataTransfer.files;
                updatePreview(imgInput.files[0]);
            }
        });

        dropZone.addEventListener('click', () => imgInput.click());
        imgInput.addEventListener('click', (e) => e.stopPropagation());
        imgInput.onchange = () => { if (imgInput.files[0]) updatePreview(imgInput.files[0]); };

        function updatePreview(file) {
            placeholder.style.display = 'none';
            previewImg.style.display = 'block';
            previewImg.src = URL.createObjectURL(file);
        }

        // --- API 1: 图像搜索 ---
        async function searchImage() {
            if (!imgInput.files[0]) return alert("请先上传图片！");

            const btn = document.getElementById('btnImgSearch');
            setLoading(btn, true);

            try {
                const formData = new FormData();
                formData.append('file', imgInput.files[0]);
                const topN = document.getElementById('imgTopN').value;

                const res = await fetch(`/api/search/image?top_k=${topN}`, {
                    method: 'POST', body: formData
                });
                const data = await res.json();

                showStats(`🔍 图像匹配完成，显示最相似的 <b>${data.results.length}</b> 张卡片`);
                renderResults(data.results, true);

            } catch (e) {
                alert("搜索失败: " + e.message);
            } finally {
                setLoading(btn, false);
            }
        }

        // --- API 2: 元数据搜索 (新增 lang 参数) ---
        async function searchByMetadata() {
            const name = document.getElementById('cardNameInput').value.trim();
            const lang = document.getElementById('langInput').value; // 获取语言
            const limit = document.getElementById('textLimit').value;
            const btn = document.getElementById('btnTextSearch');

            setLoading(btn, true);

            try {
                // 构造 URL 参数
                const params = new URLSearchParams({ limit: limit });
                if (name) params.append('card_name', name);
                if (lang) params.append('lang', lang); // 只有选中了才传

                const res = await fetch(`/api/search/state?${params.toString()}`, {
                    method: 'POST', headers: { 'Accept': 'application/json' }, body: ''
                });

                if (!res.ok) throw new Error("API Error");
                const data = await res.json();

                if (data.total !== undefined) {
                    showStats(`📊 数据库共找到 <b>${data.total}</b> 条，当前展示前 <b>${data.returned_count}</b> 条`);
                }
                renderResults(data.data || [], false);

            } catch (e) {
                console.error(e);
                alert("查询出错: " + e.message);
            } finally {
                setLoading(btn, false);
            }
        }

        // --- 渲染逻辑 ---
        function renderResults(items, showScore) {
            const grid = document.getElementById('resultsGrid');
            grid.innerHTML = '';

            if (!items || items.length === 0) {
                grid.innerHTML = '<p style="grid-column:1/-1; text-align:center; color:#666; padding:2rem;">未找到相关数据</p>';
                return;
            }

            items.forEach((item, index) => {
                let scoreHtml = '';
                if (showScore && item.score !== undefined) {
                    const pct = (item.score * 100).toFixed(1);
                    scoreHtml = `
                        <div class="similarity-wrapper">
                            <div class="score-bar-bg"><div class="score-bar-fill" style="width:${pct}%"></div></div>
                            <div class="score-text">相似度: ${pct}%</div>
                        </div>`;
                }

                // 简单的语言标签处理
                const langCode = item.lang ? item.lang.toLowerCase() : '';
                const langClass = (langCode === 'us' || langCode === 'tc') ? langCode : '';

                const html = `
                    <div class="result-card" style="opacity:0; animation:fadeIn 0.5s forwards ${index * 0.05}s">
                        <div class="card-img-wrapper">
                            <img src="${item.img_url}" loading="lazy" onerror="this.src='https://via.placeholder.com/200x280?text=No+Image'">
                        </div>
                        <div class="card-info">
                            <div class="card-title" title="${item.card_name}">${item.card_name}</div>
                            <div class="card-meta">
                                <span class="lang-tag ${langClass}">${item.lang ? item.lang.toUpperCase() : 'UNK'}</span>
                                <span>${item.card_num ? '#' + item.card_num : ''}</span>
                            </div>
                            <div class="result-card-class ${showScore ? 'show-score' : ''}">
                                ${scoreHtml}
                            </div>
                        </div>
                    </div>
                `;
                grid.insertAdjacentHTML('beforeend', html);
            });
        }

        function setLoading(btn, isLoading) {
            btn.disabled = isLoading;
            btn.querySelector('.spinner').style.display = isLoading ? 'inline-block' : 'none';
        }

        function showStats(html) {
            document.getElementById('statsBar').style.display = 'flex';
            document.getElementById('statsText').innerHTML = html;
        }
    </script>
</body>
</html>