改造对比功能：支持所有类别、最多5个产品对比

logs/app.log

@@ -0,0 +1,15 @@
+==================================================
+ParamHub - 参数百科 v1.8.0
+==================================================
+模块化重构 + 后台登录认证
+访问地址: http://localhost:16041
+后台管理: http://localhost:16041/admin
+默认密码: admin123 (可在 config.json 中修改)
+==================================================
+ * Serving Flask app 'app'
+ * Debug mode: off
+WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
+ * Running on all addresses (0.0.0.0)
+ * Running on http://127.0.0.1:16041
+ * Running on http://192.168.0.101:16041
+Press CTRL+C to quit

modules/routes/api_categories.py

@@ -2,8 +2,9 @@
 分类管理 API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import CATEGORIES_FILE
 from utils import load_data, save_data
 
@@ -70,3 +71,157 @@ def api_toggle_category_visible(category_id):
     category['visible'] = not category.get('visible', True)
     save_data(CATEGORIES_FILE, categories)
     return jsonify({'success': True, 'visible': category['visible']})
+
+
+# ─── 导出分类数据 ───────────────────────────────────────────────────────
+
+@cat_bp.route('/api/categories/export', methods=['GET'])
+def api_export_categories():
+    """导出所有分类配置（仅分类本身，不含数据项）"""
+    try:
+        categories = load_data(CATEGORIES_FILE)
+        
+        export_data = {
+            'categories': categories,
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={
+                'Content-Disposition': f'attachment; filename=param-hub-categories-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'
+            }
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@cat_bp.route('/api/categories/export/<category_id>', methods=['GET'])
+def api_export_single_category(category_id):
+    """导出单个分类配置"""
+    try:
+        categories = load_data(CATEGORIES_FILE)
+        category = next((c for c in categories if c['id'] == category_id), None)
+        if not category:
+            return jsonify({'error': 'Category not found'}), 404
+        
+        export_data = {
+            'category': category,
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={
+                'Content-Disposition': f'attachment; filename={category_id}-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'
+            }
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+# ─── 导入分类数据 ───────────────────────────────────────────────────────
+
+@cat_bp.route('/api/categories/import', methods=['GET', 'POST'])
+def api_import_categories():
+    """导入分类配置（仅分类本身，不含数据项）"""
+    try:
+        if request.method == 'GET':
+            # 返回导入接口说明
+            return jsonify({
+                'endpoint': '/api/categories/import',
+                'method': 'POST',
+                'params': {
+                    'mode': 'merge（合并）或 replace（替换）'
+                },
+                'body': {
+                    'categories': '分类数组'
+                }
+            })
+        
+        import_data = request.get_json()
+        
+        if not import_data:
+            return jsonify({'error': '无导入数据'}), 400
+        
+        if 'categories' not in import_data:
+            return jsonify({'error': '缺少 categories 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        
+        result = {
+            'success': True,
+            'imported': 0,
+            'updated': 0,
+            'skipped': []
+        }
+        
+        existing_categories = load_data(CATEGORIES_FILE)
+        imported_categories = import_data['categories']
+        
+        for cat in imported_categories:
+            existing = next((c for c in existing_categories if c['id'] == cat['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(cat)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(cat['id'])
+            else:
+                existing_categories.append(cat)
+                result['imported'] += 1
+        
+        save_data(CATEGORIES_FILE, existing_categories)
+        
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@cat_bp.route('/api/categories/import/<category_id>', methods=['POST'])
+def api_import_single_category(category_id):
+    """导入单个分类配置"""
+    try:
+        import_data = request.get_json()
+        
+        if not import_data:
+            return jsonify({'error': '无导入数据'}), 400
+        
+        if 'category' not in import_data:
+            return jsonify({'error': '缺少 category 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        
+        result = {
+            'success': True,
+            'imported': False,
+            'updated': False
+        }
+        
+        categories = load_data(CATEGORIES_FILE)
+        imported_cat = import_data['category']
+        
+        existing = next((c for c in categories if c['id'] == category_id), None)
+        if existing:
+            if mode == 'replace':
+                existing.update(imported_cat)
+                result['updated'] = True
+        else:
+            categories.append(imported_cat)
+            result['imported'] = True
+        
+        save_data(CATEGORIES_FILE, categories)
+        
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500

modules/routes/api_cpus.py

@@ -2,8 +2,9 @@
 CPU CRUD API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import CPUS_FILE
 from utils import load_data, save_data, parse_date_to_timestamp
 
@@ -95,3 +96,63 @@ def api_toggle_cpu_visible(cpu_id):
     cpu['visible'] = not cpu.get('visible', True)
     save_data(CPUS_FILE, cpus)
     return jsonify({'success': True, 'visible': cpu['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@cpus_bp.route('/api/cpus/export', methods=['GET'])
+def api_export_cpus():
+    """导出所有CPU数据"""
+    try:
+        cpus = load_data(CPUS_FILE)
+        export_data = {
+            'type': 'cpus',
+            'items': cpus,
+            'count': len(cpus),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename=cpus-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@cpus_bp.route('/api/cpus/import', methods=['GET', 'POST'])
+def api_import_cpus():
+    """导入CPU数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': '/api/cpus/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        cpus = load_data(CPUS_FILE)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((c for c in cpus if c['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                cpus.append(item)
+                result['imported'] += 1
+        
+        save_data(CPUS_FILE, cpus)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500

modules/routes/api_gpus.py

@@ -2,8 +2,9 @@
 GPU CRUD API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import GPUS_FILE
 from utils import load_data, save_data, parse_date_to_timestamp
 
@@ -95,3 +96,63 @@ def api_toggle_gpu_visible(gpu_id):
     gpu['visible'] = not gpu.get('visible', True)
     save_data(GPUS_FILE, gpus)
     return jsonify({'success': True, 'visible': gpu['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@gpus_bp.route('/api/gpus/export', methods=['GET'])
+def api_export_gpus():
+    """导出所有GPU数据"""
+    try:
+        gpus = load_data(GPUS_FILE)
+        export_data = {
+            'type': 'gpus',
+            'items': gpus,
+            'count': len(gpus),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename=gpus-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@gpus_bp.route('/api/gpus/import', methods=['GET', 'POST'])
+def api_import_gpus():
+    """导入GPU数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': '/api/gpus/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        gpus = load_data(GPUS_FILE)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((g for g in gpus if g['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                gpus.append(item)
+                result['imported'] += 1
+        
+        save_data(GPUS_FILE, gpus)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500

modules/routes/api_items.py

@@ -2,8 +2,9 @@
 动态分类数据 API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import DATA_DIR
 from utils import load_data, save_data, parse_date_to_timestamp
 
@@ -95,3 +96,66 @@ def api_toggle_item_visible(category_id, item_id):
     item['visible'] = not item.get('visible', True)
     save_data(items_file, items)
     return jsonify({'success': True, 'visible': item['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@items_bp.route('/api/items/<category_id>/export', methods=['GET'])
+def api_export_items(category_id):
+    """导出指定分类的所有数据"""
+    try:
+        items_file = DATA_DIR / f'items_{category_id}.json'
+        items = load_data(items_file)
+        export_data = {
+            'type': 'items',
+            'category_id': category_id,
+            'items': items,
+            'count': len(items),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename={category_id}-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@items_bp.route('/api/items/<category_id>/import', methods=['GET', 'POST'])
+def api_import_items(category_id):
+    """导入指定分类的数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': f'/api/items/{category_id}/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        items_file = DATA_DIR / f'items_{category_id}.json'
+        items = load_data(items_file)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((i for i in items if i['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                items.append(item)
+                result['imported'] += 1
+        
+        save_data(items_file, items)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500

modules/routes/api_models.py

@@ -2,8 +2,9 @@
 AI模型 CRUD API
 """
 import uuid
+import json
 from datetime import datetime
-from flask import Blueprint, request, jsonify
+from flask import Blueprint, request, jsonify, Response
 from config import MODELS_FILE
 from utils import load_data, save_data, parse_date_to_timestamp, safe_sort_key
 
@@ -88,3 +89,63 @@ def api_toggle_model_visible(model_id):
     model['visible'] = not model.get('visible', True)
     save_data(MODELS_FILE, models)
     return jsonify({'success': True, 'visible': model['visible']})
+
+
+# ─── 导出导入 ───────────────────────────────────────────────────────
+
+@models_bp.route('/api/models/export', methods=['GET'])
+def api_export_models():
+    """导出所有模型数据"""
+    try:
+        models = load_data(MODELS_FILE)
+        export_data = {
+            'type': 'models',
+            'items': models,
+            'count': len(models),
+            'export_time': datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+            'version': '1.0'
+        }
+        json_str = json.dumps(export_data, ensure_ascii=False, indent=2)
+        response = Response(
+            json_str,
+            mimetype='application/json',
+            headers={'Content-Disposition': f'attachment; filename=models-export-{datetime.now().strftime("%Y%m%d%H%M%S")}.json'}
+        )
+        return response
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+
+@models_bp.route('/api/models/import', methods=['GET', 'POST'])
+def api_import_models():
+    """导入模型数据"""
+    try:
+        if request.method == 'GET':
+            return jsonify({'endpoint': '/api/models/import', 'method': 'POST', 'params': {'mode': 'merge 或 replace'}})
+        
+        import_data = request.get_json()
+        if not import_data or 'items' not in import_data:
+            return jsonify({'error': '缺少 items 字段'}), 400
+        
+        mode = request.args.get('mode', 'merge')
+        models = load_data(MODELS_FILE)
+        imported_items = import_data['items']
+        
+        result = {'success': True, 'imported': 0, 'updated': 0, 'skipped': []}
+        
+        for item in imported_items:
+            existing = next((m for m in models if m['id'] == item['id']), None)
+            if existing:
+                if mode == 'replace':
+                    existing.update(item)
+                    result['updated'] += 1
+                else:
+                    result['skipped'].append(item['id'])
+            else:
+                models.append(item)
+                result['imported'] += 1
+        
+        save_data(MODELS_FILE, models)
+        return jsonify(result)
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500

templates/admin.html

@@ -128,7 +128,11 @@
         <section id="section-categories" class="hidden">
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">分类管理</h1>
-                <button onclick="openAddModal('category')" class="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700"><i class="ri-add-line mr-2"></i>添加分类</button>
+                <div class="flex gap-2">
+                    <button onclick="exportAllCategories()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出全部</button>
+                    <button onclick="openImportModal()" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入数据</button>
+                    <button onclick="openAddModal('category')" class="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700"><i class="ri-add-line mr-2"></i>添加分类</button>
+                </div>
             </div>
             <div class="bg-blue-50 rounded-lg p-4 mb-4">
                 <p class="text-sm text-blue-700"><i class="ri-information-line mr-1"></i>内置分类（AI模型、GPU、CPU）的子类别配置可在此编辑，其数据管理入口在左侧导航栏的独立页面。</p>
@@ -156,6 +160,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800" id="dynamic-title">数据管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportCategoryData(dynamicCategoryId)" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal(dynamicCategoryId)" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('dynamic')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('dynamic')" class="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -175,6 +181,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">大模型管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportModels()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal('models')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('model')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('model')" class="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -196,6 +204,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">GPU管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportGpus()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal('gpus')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('gpu')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('gpu')" class="px-4 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -217,6 +227,8 @@
             <div class="flex justify-between items-center mb-6">
                 <h1 class="text-2xl font-bold text-gray-800">CPU管理</h1>
                 <div class="flex gap-2">
+                    <button onclick="exportCpus()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-download-line mr-2"></i>导出</button>
+                    <button onclick="openDataImportModal('cpus')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-2"></i>导入</button>
                     <button onclick="openSmartAddModal('cpu')" class="px-4 py-2 bg-orange-600 text-white rounded-lg hover:bg-orange-700"><i class="ri-magic-line mr-2"></i>智能添加</button>
                     <button onclick="openAddModal('cpu')" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-add-line mr-2"></i>手动添加</button>
                 </div>
@@ -493,6 +505,78 @@
         </div>
     </div>
 
+    <!-- 分类导入弹窗 -->
+    <div id="importModal" class="fixed inset-0 bg-black/50 z-50 hidden flex items-center justify-center">
+        <div class="bg-white rounded-xl max-w-2xl w-full mx-4">
+            <div class="p-6 border-b flex justify-between items-center">
+                <h2 class="text-xl font-bold text-gray-800"><i class="ri-upload-line mr-2 text-purple-600"></i>导入分类配置</h2>
+                <button onclick="closeImportModal()" class="text-gray-400 hover:text-gray-600"><i class="ri-close-line text-2xl"></i></button>
+            </div>
+            <div class="p-6">
+                <div class="bg-purple-50 rounded-lg p-4 mb-4">
+                    <p class="text-sm text-purple-700"><i class="ri-information-line mr-1"></i>导入分类配置。可选择<strong>合并模式</strong>（保留现有数据）或<strong>替换模式</strong>（覆盖现有数据）。</p>
+                </div>
+                <div class="space-y-4">
+                    <div>
+                        <label class="text-sm text-gray-600 mb-2 block">选择导入文件（JSON格式）</label>
+                        <input type="file" id="importFileInput" accept=".json" class="w-full px-4 py-2 border rounded-lg" onchange="handleImportFile(event)">
+                    </div>
+                    <div>
+                        <label class="text-sm text-gray-600 mb-2 block">导入模式</label>
+                        <select id="importMode" class="w-full px-4 py-2 border rounded-lg">
+                            <option value="merge">合并模式 - 保留现有数据，只添加新数据</option>
+                            <option value="replace">替换模式 - 覆盖已存在的数据</option>
+                        </select>
+                    </div>
+                    <div id="importPreview" class="hidden border rounded-lg p-4 bg-gray-50">
+                        <h3 class="text-sm font-semibold text-gray-700 mb-3"><i class="ri-eye-line mr-1"></i>导入预览</h3>
+                        <div id="importPreviewContent"></div>
+                    </div>
+                </div>
+            </div>
+            <div class="p-6 border-t flex justify-end gap-4">
+                <button onclick="closeImportModal()" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">取消</button>
+                <button onclick="doImport()" class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700"><i class="ri-upload-line mr-1"></i>确认导入</button>
+            </div>
+        </div>
+    </div>
+
+    <!-- 数据导入弹窗 -->
+    <div id="dataImportModal" class="fixed inset-0 bg-black/50 z-50 hidden flex items-center justify-center">
+        <div class="bg-white rounded-xl max-w-2xl w-full mx-4">
+            <div class="p-6 border-b flex justify-between items-center">
+                <h2 class="text-xl font-bold text-gray-800"><i class="ri-upload-line mr-2 text-teal-600"></i>导入数据</h2>
+                <button onclick="closeDataImportModal()" class="text-gray-400 hover:text-gray-600"><i class="ri-close-line text-2xl"></i></button>
+            </div>
+            <div class="p-6">
+                <div class="bg-teal-50 rounded-lg p-4 mb-4">
+                    <p class="text-sm text-teal-700"><i class="ri-information-line mr-1"></i>导入数据条目。可选择<strong>合并模式</strong>（保留现有数据）或<strong>替换模式</strong>（覆盖现有数据）。</p>
+                </div>
+                <div class="space-y-4">
+                    <div>
+                        <label class="text-sm text-gray-600 mb-2 block">选择导入文件（JSON格式）</label>
+                        <input type="file" id="dataImportFileInput" accept=".json" class="w-full px-4 py-2 border rounded-lg" onchange="handleDataImportFile(event)">
+                    </div>
+                    <div>
+                        <label class="text-sm text-gray-600 mb-2 block">导入模式</label>
+                        <select id="dataImportMode" class="w-full px-4 py-2 border rounded-lg">
+                            <option value="merge">合并模式 - 保留现有数据，只添加新数据</option>
+                            <option value="replace">替换模式 - 覆盖已存在的数据</option>
+                        </select>
+                    </div>
+                    <div id="dataImportPreview" class="hidden border rounded-lg p-4 bg-gray-50">
+                        <h3 class="text-sm font-semibold text-gray-700 mb-3"><i class="ri-eye-line mr-1"></i>导入预览</h3>
+                        <div id="dataImportPreviewContent"></div>
+                    </div>
+                </div>
+            </div>
+            <div class="p-6 border-t flex justify-end gap-4">
+                <button onclick="closeDataImportModal()" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">取消</button>
+                <button onclick="doDataImport()" class="px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700"><i class="ri-upload-line mr-1"></i>确认导入</button>
+            </div>
+        </div>
+    </div>
+
     <script>
         let currentType = '';
         let currentId = '';
@@ -940,6 +1024,7 @@
                         ${subcatCount > 0 ? `<span class="px-2 py-1 bg-green-100 text-green-600 rounded text-xs">${subcatCount} 个</span>` : '<span class="text-gray-400">无</span>'}
                     </td>
                     <td class="px-4 py-3 text-center">
+                        <button onclick="exportSingleCategory('${c.id}')" class="text-teal-600 hover:text-teal-800 mr-2" title="导出"><i class="ri-download-line"></i></button>
                         <button onclick="editItem('category', '${c.id}')" class="text-blue-600 hover:text-blue-800 mr-2" title="编辑"><i class="ri-edit-line"></i></button>
                         ${!isBuiltin ? `<button onclick="deleteItem('category', '${c.id}')" class="text-red-600 hover:text-red-800" title="删除"><i class="ri-delete-bin-line"></i></button>` : '<span class="text-gray-300 cursor-not-allowed"><i class="ri-delete-bin-line"></i></span>'}
                     </td>
@@ -2678,6 +2763,236 @@
         // 监听编辑弹框打开，显示智能补充按钮
         document.getElementById('editModal').addEventListener('showSmartUpdate', showSmartUpdateButton);
 
+        // ─── 分类导出导入功能 ─────────────────────────────────────────────────
+
+        // 导出所有分类
+        async function exportAllCategories() {
+            try {
+                const res = await fetch('/api/categories/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `categories-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出单个分类配置
+        async function exportSingleCategory(categoryId) {
+            try {
+                const res = await fetch(`/api/categories/export/${categoryId}`);
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `${categoryId}-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 打开分类导入弹窗
+        function openImportModal() {
+            document.getElementById('importModal').classList.remove('hidden');
+            document.getElementById('importPreview').classList.add('hidden');
+            document.getElementById('importFileInput').value = '';
+            importData = null;
+        }
+
+        function closeImportModal() { document.getElementById('importModal').classList.add('hidden'); }
+
+        let importData = null;
+        function handleImportFile(event) {
+            const file = event.target.files[0];
+            if (!file) return;
+            const reader = new FileReader();
+            reader.onload = (e) => { try { importData = JSON.parse(e.target.result); showImportPreview(); } catch (err) { alert('JSON 解析失败: ' + err.message); } };
+            reader.readAsText(file);
+        }
+
+        function showImportPreview() {
+            if (!importData) return;
+            const preview = document.getElementById('importPreview');
+            const content = document.getElementById('importPreviewContent');
+            preview.classList.remove('hidden');
+            let html = '<div class="space-y-2">';
+            if (importData.categories) {
+                html += `<div class="font-medium text-gray-800"><i class="ri-folder-line mr-1"></i>包含 ${importData.categories.length} 个分类</div>`;
+                html += '<div class="flex flex-wrap gap-2 ml-5">';
+                importData.categories.forEach(cat => { html += `<span class="px-2 py-1 bg-blue-100 text-blue-700 rounded text-xs">${cat.name}</span>`; });
+                html += '</div>';
+            } else if (importData.category) {
+                html += `<div class="font-medium text-gray-800"><i class="ri-folder-line mr-1"></i>单个分类: ${importData.category.name}</div>`;
+            }
+            html += `<div class="mt-3 text-sm text-gray-500">导出时间: ${importData.export_time || '未知'}</div>`;
+            html += '</div>';content.innerHTML = html;
+        }
+
+        async function doImport() {
+            if (!importData) { alert('请先选择导入文件'); return; }
+            const mode = document.getElementById('importMode').value;
+            try {
+                let endpoint = importData.category ? `/api/categories/import/${importData.category.id}?mode=${mode}` : `/api/categories/import?mode=${mode}`;
+                const res = await fetch(endpoint, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(importData) });
+                const result = await res.json();
+                if (result.error) { alert('导入失败: ' + result.error); } else {
+                    let msg = '导入成功！\n新增: ' + (result.imported||0) + '\n更新: ' + (result.updated||0);
+                    if (result.skipped?.length) msg += '\n跳过: ' + result.skipped.join(', ');
+                    alert(msg);
+                    closeImportModal();
+                    await loadCategories(); renderSidebar(); loadAdminCategories();
+                }
+            } catch (e) { alert('导入失败: ' + e.message); }
+        }
+
+        // ─── 数据导出导入功能 ─────────────────────────────────────────────────
+
+        let dataImportType = null;
+        let dataImportCategoryId = null;
+        let dataImportData = null;
+
+        // 导出模型
+        async function exportModels() {
+            try {
+                const res = await fetch('/api/models/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `models-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出GPU
+        async function exportGpus() {
+            try {
+                const res = await fetch('/api/gpus/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `gpus-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出CPU
+        async function exportCpus() {
+            try {
+                const res = await fetch('/api/cpus/export');
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `cpus-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 导出动态分类数据
+        async function exportCategoryData(categoryId) {
+            if (!categoryId) { alert('未选择分类'); return; }
+            try {
+                const res = await fetch(`/api/items/${categoryId}/export`);
+                if (!res.ok) { const err = await res.json(); alert('导出失败: ' + err.error); return; }
+                const blob = await res.blob();
+                const url = window.URL.createObjectURL(blob);
+                const a = document.createElement('a');
+                a.href = url;
+                a.download = `${categoryId}-${new Date().toISOString().slice(0,19).replace(/[:-]/g,'')}.json`;
+                document.body.appendChild(a);
+                a.click();
+                window.URL.revokeObjectURL(url);
+                a.remove();
+            } catch (e) { alert('导出失败: ' + e.message); }
+        }
+
+        // 打开数据导入弹窗
+        function openDataImportModal(typeOrCategoryId) {
+            dataImportType = typeOrCategoryId;
+            dataImportCategoryId = null;
+            // 如果是动态分类，需要区分类型
+            if (typeOrCategoryId && !['models', 'gpus', 'cpus'].includes(typeOrCategoryId)) {
+                dataImportCategoryId = typeOrCategoryId;
+                dataImportType = 'items';
+            }
+            document.getElementById('dataImportModal').classList.remove('hidden');
+            document.getElementById('dataImportPreview').classList.add('hidden');
+            document.getElementById('dataImportFileInput').value = '';
+            dataImportData = null;
+        }
+
+        function closeDataImportModal() { document.getElementById('dataImportModal').classList.add('hidden'); }
+
+        function handleDataImportFile(event) {
+            const file = event.target.files[0];
+            if (!file) return;
+            const reader = new FileReader();
+            reader.onload = (e) => { try { dataImportData = JSON.parse(e.target.result); showDataImportPreview(); } catch (err) { alert('JSON 解析失败: ' + err.message); } };
+            reader.readAsText(file);
+        }
+
+        function showDataImportPreview() {
+            if (!dataImportData) return;
+            const preview = document.getElementById('dataImportPreview');
+            const content = document.getElementById('dataImportPreviewContent');
+            preview.classList.remove('hidden');
+            let html = '<div class="space-y-2">';
+            html += `<div class="font-medium text-gray-800"><i class="ri-database-line mr-1"></i>数据类型: ${dataImportData.type || '未知'}</div>`;
+            html += `<div class="text-sm text-gray-600 ml-5">包含 ${dataImportData.count || dataImportData.items?.length || 0} 条数据</div>`;
+            html += `<div class="mt-3 text-sm text-gray-500">导出时间: ${dataImportData.export_time || '未知'}</div>`;
+            html += '</div>';content.innerHTML = html;
+        }
+
+        async function doDataImport() {
+            if (!dataImportData) { alert('请先选择导入文件'); return; }
+            const mode = document.getElementById('dataImportMode').value;
+            try {
+                let endpoint;
+                if (dataImportType === 'models') endpoint = '/api/models/import?mode=' + mode;
+                else if (dataImportType === 'gpus') endpoint = '/api/gpus/import?mode=' + mode;
+                else if (dataImportType === 'cpus') endpoint = '/api/cpus/import?mode=' + mode;
+                else if (dataImportCategoryId) endpoint = `/api/items/${dataImportCategoryId}/import?mode=` + mode;
+                else { alert('未知数据类型'); return; }
+                
+                const res = await fetch(endpoint, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(dataImportData) });
+                const result = await res.json();
+                if (result.error) { alert('导入失败: ' + result.error); } else {
+                    let msg = '导入成功！\n新增: ' + (result.imported||0) + '\n更新: ' + (result.updated||0);
+                    if (result.skipped?.length) msg += '\n跳过: ' + result.skipped.length + ' 条';
+                    alert(msg);
+                    closeDataImportModal();
+                    // 刷新当前页面数据
+                    if (dataImportType === 'models') loadAdminModels();
+                    else if (dataImportType === 'gpus') loadAdminGpus();
+                    else if (dataImportType === 'cpus') loadAdminCpus();
+                    else if (dataImportCategoryId) loadDynamicCategoryData(dataImportCategoryId);
+                    loadOverview();
+                }
+            } catch (e) { alert('导入失败: ' + e.message); }
+        }
+
         init();
     </script>
 </body>

templates/compare.html

@@ -6,7 +6,12 @@
     <title>ParamHub - 参数百科</title>
     <link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
     <script src="https://cdn.tailwindcss.com"></script>
-    <link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
+    <link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
+    <style>
+        .compare-card { transition: all 0.2s; }
+        .compare-card:hover { transform: translateY(-2px); }
+        .compare-card.selected { border-color: #4f46e5; background: #f5f3ff; }
+    </style>
 </head>
 <body class="bg-gray-50 min-h-screen">
     <!-- 导航栏 -->
@@ -16,9 +21,7 @@
                 <i class="ri-dashboard-3-line text-2xl text-indigo-600"></i>
                 <span class="text-xl font-bold text-gray-800">ParamHub</span>
             </a>
-            <div class="flex gap-4 text-sm" id="topNav">
-                <!-- 动态加载 -->
-            </div>
+            <div class="flex gap-4 text-sm" id="topNav"></div>
         </div>
     </nav>
 
@@ -28,49 +31,60 @@
                 <i class="ri-git-merge-line text-purple-600"></i>
                 对比工具
             </h1>
-            <p class="text-gray-500 mt-1">多维度对比模型或硬件参数</p>
+            <p class="text-gray-500 mt-1">选择类别，对比最多5个产品的参数</p>
         </div>
 
-        <!-- 对比类型选择 -->
+        <!-- 类别选择 -->
         <div class="bg-white rounded-xl shadow-sm p-4 mb-6">
-            <div class="flex gap-4">
-                <button onclick="setCompareType('model')" id="btnModel" class="px-4 py-2 bg-indigo-600 text-white rounded-lg">
-                    <i class="ri-robot-line mr-2"></i>模型对比
-                </button>
-                <button onclick="setCompareType('gpu')" id="btnGpu" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">
-                    <i class="ri-cpu-line mr-2"></i>GPU对比
-                </button>
-                <button onclick="setCompareType('cpu')" id="btnCpu" class="px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300">
-                    <i class="ri-cpu-line mr-2"></i>CPU对比
-                </button>
+            <label class="text-sm font-medium text-gray-600 mb-3 block">选择对比类别</label>
+            <div id="categoryButtons" class="flex flex-wrap gap-2">
+                <span class="text-gray-400">加载中...</span>
             </div>
         </div>
 
-        <!-- 选择列表 -->
-        <div class="grid grid-cols-2 gap-4 mb-6">
-            <div class="bg-white rounded-xl shadow-sm p-4">
-                <label class="text-sm font-medium text-gray-600 mb-2 block">选择第一项</label>
-                <select id="select1" class="w-full px-4 py-2 border border-gray-200 rounded-lg" onchange="compare()">
-                    <option value="">请选择...</option>
-                </select>
+        <!-- 已选择的产品 -->
+        <div id="selectedArea" class="bg-white rounded-xl shadow-sm p-4 mb-6 hidden">
+            <div class="flex justify-between items-center mb-3">
+                <label class="text-sm font-medium text-gray-600">
+                    已选择 <span id="selectedCount">0</span>/5 个产品
+                </label>
+                <button onclick="clearSelection()" class="text-sm text-red-600 hover:text-red-700">
+                    <i class="ri-close-line mr-1"></i>清空选择
+                </button>
             </div>
-            <div class="bg-white rounded-xl shadow-sm p-4">
-                <label class="text-sm font-medium text-gray-600 mb-2 block">选择第二项</label>
-                <select id="select2" class="w-full px-4 py-2 border border-gray-200 rounded-lg" onchange="compare()">
-                    <option value="">请选择...</option>
-                </select>
+            <div id="selectedProducts" class="flex flex-wrap gap-2"></div>
+        </div>
+
+        <!-- 产品列表 -->
+        <div id="productListArea" class="mb-6 hidden">
+            <div class="bg-white rounded-xl shadow-sm p-4 mb-4">
+                <div class="flex justify-between items-center">
+                    <label class="text-sm font-medium text-gray-600">
+                        点击选择要对比的产品（最多5个）
+                    </label>
+                    <input type="text" id="searchInput" placeholder="搜索产品..." 
+                        class="px-3 py-1 border rounded-lg text-sm w-48"
+                        oninput="filterProducts()">
+                </div>
             </div>
+            <div id="productList" class="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-3"></div>
         </div>
 
         <!-- 对比结果 -->
         <div id="compareResult" class="bg-white rounded-xl shadow-sm p-6 hidden">
-            <h2 class="text-lg font-semibold text-gray-800 mb-4">对比结果</h2>
-            <div id="compareTable"></div>
+            <h2 class="text-lg font-semibold text-gray-800 mb-4">
+                <i class="ri-bar-chart-line mr-2 text-purple-600"></i>对比结果
+            </h2>
+            <div id="compareTable" class="overflow-x-auto"></div>
         </div>
-    </main>
+    </div>
 
     <script>
         let categories = [];
+        let currentCategory = null;
+        let categoryData = {};
+        let selectedIds = [];
+        const MAX_COMPARE = 5;
 
         // 加载导航栏
         async function loadNav() {
@@ -104,135 +118,311 @@
 
             document.getElementById('topNav').innerHTML = navHtml;
         }
-let compareType = 'model';
-        let allData = [];
 
-        async function setCompareType(type) {
-            compareType = type;
-            
-            // 更新按钮样式
-            document.getElementById('btnModel').className = type === 'model' 
-                ? 'px-4 py-2 bg-indigo-600 text-white rounded-lg' 
-                : 'px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300';
-            document.getElementById('btnGpu').className = type === 'gpu' 
-                ? 'px-4 py-2 bg-green-600 text-white rounded-lg' 
-                : 'px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300';
-            document.getElementById('btnCpu').className = type === 'cpu' 
-                ? 'px-4 py-2 bg-purple-600 text-white rounded-lg' 
-                : 'px-4 py-2 bg-gray-200 text-gray-600 rounded-lg hover:bg-gray-300';
-            
-            // 加载数据
-            const res = await fetch(`/api/${type}s`);
-            allData = await res.json();
-            
-            // 填充下拉框
-            const select1 = document.getElementById('select1');
-            const select2 = document.getElementById('select2');
-            
-            select1.innerHTML = '<option value="">请选择...</option>' + 
-                allData.map(d => `<option value="${d.id}">${d.name}</option>`).join('');
-            select2.innerHTML = '<option value="">请选择...</option>' + 
-                allData.map(d => `<option value="${d.id}">${d.name}</option>`).join('');
-            
+        // 渲染类别按钮
+        function renderCategoryButtons() {
+            const colorMap = {
+                blue: 'bg-blue-100 text-blue-700 hover:bg-blue-200',
+                green: 'bg-green-100 text-green-700 hover:bg-green-200',
+                purple: 'bg-purple-100 text-purple-700 hover:bg-purple-200',
+                orange: 'bg-orange-100 text-orange-700 hover:bg-orange-200',
+                teal: 'bg-teal-100 text-teal-700 hover:bg-teal-200',
+                red: 'bg-red-100 text-red-700 hover:bg-red-200',
+                indigo: 'bg-indigo-100 text-indigo-700 hover:bg-indigo-200'
+            };
+
+            const html = categories.map(cat => {
+                const colorClass = colorMap[cat.color] || 'bg-gray-100 text-gray-700 hover:bg-gray-200';
+                const activeClass = currentCategory?.id === cat.id ? 'ring-2 ring-indigo-500 ring-offset-2' : '';
+                return `<button onclick="selectCategory('${cat.id}')" 
+                    class="px-4 py-2 rounded-lg ${colorClass} ${activeClass} transition">
+                    <i class="${cat.icon} mr-1"></i>${cat.name}
+                </button>`;
+            }).join('');
+
+            document.getElementById('categoryButtons').innerHTML = html;
+        }
+
+        // 选择类别
+        async function selectCategory(categoryId) {
+            currentCategory = categories.find(c => c.id === categoryId);
+            if (!currentCategory) return;
+
+            // 更新按钮状态
+            renderCategoryButtons();
+
+            // 清空之前的选择
+            selectedIds = [];
+            updateSelectedArea();
+
+            // 加载该类别数据
+            const endpoint = getEndpoint(categoryId);
+            const res = await fetch(endpoint);
+            categoryData[categoryId] = await res.json();
+
+            // 显示产品列表
+            document.getElementById('productListArea').classList.remove('hidden');
+            renderProductList();
             document.getElementById('compareResult').classList.add('hidden');
         }
 
-        async function compare() {
-            const id1 = document.getElementById('select1').value;
-            const id2 = document.getElementById('select2').value;
-            
-            if (!id1 || !id2) {
-                document.getElementById('compareResult').classList.add('hidden');
+        // 获取API端点
+        function getEndpoint(categoryId) {
+            const builtinMap = {
+                'ai-models': '/api/models',
+                'gpus': '/api/gpus',
+                'cpus': '/api/cpus'
+            };
+            return builtinMap[categoryId] || `/api/items/${categoryId}`;
+        }
+
+        // 渲染产品列表
+        function renderProductList() {
+            if (!currentCategory) return;
+
+            const products = categoryData[currentCategory.id] || [];
+            const searchTerm = document.getElementById('searchInput').value.toLowerCase();
+
+            const filtered = products.filter(p => 
+                (p.name || '').toLowerCase().includes(searchTerm) ||
+                (p.organization || p.manufacturer || p.brand || '').toLowerCase().includes(searchTerm)
+            );
+
+            const colorMap = {
+                blue: 'bg-blue-50 border-blue-200',
+                green: 'bg-green-50 border-green-200',
+                purple: 'bg-purple-50 border-purple-200',
+                orange: 'bg-orange-50 border-orange-200',
+                teal: 'bg-teal-50 border-teal-200'
+            };
+            const bgColor = colorMap[currentCategory.color] || 'bg-gray-50 border-gray-200';
+
+            if (filtered.length === 0) {
+                document.getElementById('productList').innerHTML = `
+                    <div class="col-span-full text-center text-gray-400 py-8">暂无数据</div>
+                `;
                 return;
             }
-            
-            const res1 = await fetch(`/api/${compareType}s/${id1}`);
-            const res2 = await fetch(`/api/${compareType}s/${id2}`);
-            
-            const item1 = await res1.json();
-            const item2 = await res2.json();
-            
-            let fields = [];
-            if (compareType === 'model') {
-                fields = [
-                    { key: 'name', label: '名称' },
-                    { key: 'organization', label: '厂商' },
-                    { key: 'parameters', label: '参数量(B)', unit: 'B' },
-                    { key: 'context_length', label: '上下文长度' },
-                    { key: 'mmlu', label: 'MMLU分数', unit: '%' },
-                    { key: 'humaneval', label: 'HumanEval', unit: '%' },
-                    { key: 'is_open_source', label: '类型', format: v => v ? '开源' : '商业' },
-                    { key: 'input_price', label: '输入价格', unit: '$/1K' },
-                    { key: 'output_price', label: '输出价格', unit: '$/1K' },
-                ];
-            } else if (compareType === 'gpu') {
-                fields = [
-                    { key: 'name', label: '名称' },
-                    { key: 'manufacturer', label: '厂商' },
-                    { key: 'architecture', label: '架构' },
-                    { key: 'memory_gb', label: '显存', unit: 'GB' },
-                    { key: 'cuda_cores', label: 'CUDA核心' },
-                    { key: 'fp16_tflops', label: 'FP16性能', unit: 'TF' },
-                    { key: 'price_usd', label: '价格', unit: '$' },
-                ];
+
+            const html = filtered.map(p => {
+                const isSelected = selectedIds.includes(p.id);
+                const selectedClass = isSelected ? 'ring-2 ring-indigo-500 bg-indigo-50' : '';
+                return `
+                    <div onclick="toggleProduct('${p.id}')" 
+                        class="compare-card p-3 rounded-lg border cursor-pointer ${bgColor} ${selectedClass}">
+                        <div class="font-medium text-gray-800">${p.name || '-'}</div>
+                        <div class="text-sm text-gray-500">${p.organization || p.manufacturer || p.brand || ''}</div>
+                        ${isSelected ? '<div class="mt-2 text-xs text-indigo-600"><i class="ri-check-line mr-1"></i>已选择</div>' : ''}
+                    </div>
+                `;
+            }).join('');
+
+            document.getElementById('productList').innerHTML = html;
+        }
+
+        // 切换产品选择
+        function toggleProduct(productId) {
+            const idx = selectedIds.indexOf(productId);
+            if (idx >= 0) {
+                selectedIds.splice(idx, 1);
+            } else if (selectedIds.length < MAX_COMPARE) {
+                selectedIds.push(productId);
             } else {
-                fields = [
-                    { key: 'name', label: '名称' },
-                    { key: 'manufacturer', label: '厂商' },
-                    { key: 'cores', label: '核心数' },
-                    { key: 'threads', label: '线程数' },
-                    { key: 'base_clock_ghz', label: '基础频率', unit: 'GHz' },
-                    { key: 'boost_clock_ghz', label: '加速频率', unit: 'GHz' },
-                    { key: 'l3_cache_mb', label: 'L3缓存', unit: 'MB' },
-                    { key: 'tdp_watts', label: 'TDP', unit: 'W' },
-                    { key: 'price_usd', label: '价格', unit: '$' },
-                ];
+                alert(`最多只能对比${MAX_COMPARE}个产品`);
+                return;
             }
+
+            updateSelectedArea();
+            renderProductList();
             
-            const html = `
+            if (selectedIds.length >= 2) {
+                showCompareResult();
+            } else {
+                document.getElementById('compareResult').classList.add('hidden');
+            }
+        }
+
+        // 更新已选择区域
+        function updateSelectedArea() {
+            const area = document.getElementById('selectedArea');
+            const container = document.getElementById('selectedProducts');
+            const count = document.getElementById('selectedCount');
+
+            if (selectedIds.length === 0) {
+                area.classList.add('hidden');
+                return;
+            }
+
+            area.classList.remove('hidden');
+            count.textContent = selectedIds.length;
+
+            const products = categoryData[currentCategory.id] || [];
+            const html = selectedIds.map(id => {
+                const p = products.find(x => x.id === id);
+                if (!p) return '';
+                return `
+                    <div class="px-3 py-1 bg-indigo-100 text-indigo-700 rounded-full text-sm flex items-center gap-2">
+                        <span>${p.name}</span>
+                        <button onclick="event.stopPropagation(); toggleProduct('${id}')" class="hover:text-indigo-900">
+                            <i class="ri-close-line"></i>
+                        </button>
+                    </div>
+                `;
+            }).join('');
+
+            container.innerHTML = html;
+        }
+
+        // 清空选择
+        function clearSelection() {
+            selectedIds = [];
+            updateSelectedArea();
+            renderProductList();
+            document.getElementById('compareResult').classList.add('hidden');
+        }
+
+        // 搜索过滤
+        function filterProducts() {
+            renderProductList();
+        }
+
+        // 显示对比结果
+        async function showCompareResult() {
+            if (selectedIds.length < 2) return;
+
+            const products = categoryData[currentCategory.id] || [];
+            const selected = selectedIds.map(id => products.find(p => p.id === id)).filter(Boolean);
+
+            // 获取对比字段
+            const fields = getCompareFields();
+
+            // 生成对比表格
+            let html = `
                 <table class="w-full">
                     <thead class="bg-gray-50">
                         <tr>
-                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-600">参数</th>
-                            <th class="px-4 py-2 text-center text-sm font-medium text-gray-600">${item1.name}</th>
-                            <th class="px-4 py-2 text-center text-sm font-medium text-gray-600">${item2.name}</th>
-                            <th class="px-4 py-2 text-center text-sm font-medium text-gray-600">差异</th>
+                            <th class="px-4 py-3 text-left text-sm font-medium text-gray-600 sticky left-0 bg-gray-50">参数</th>
+                            ${selected.map(p => `<th class="px-4 py-3 text-center text-sm font-medium text-gray-800 min-w-[150px]">${p.name}</th>`).join('')}
+                            <th class="px-4 py-3 text-center text-sm font-medium text-gray-600 min-w-[100px]">差异范围</th>
                         </tr>
                     </thead>
                     <tbody class="divide-y">
-                        ${fields.map(f => {
-                            const v1 = item1[f.key] || '-';
-                            const v2 = item2[f.key] || '-';
-                            const fv1 = f.format ? f.format(v1) : (v1 + (f.unit && typeof v1 === 'number' ? f.unit : ''));
-                            const fv2 = f.format ? f.format(v2) : (v2 + (f.unit && typeof v2 === 'number' ? f.unit : ''));
-                            
-                            let diff = '';
-                            if (typeof v1 === 'number' && typeof v2 === 'number') {
-                                const d = v2 - v1;
-                                diff = d > 0 ? `<span class="text-green-600">+${d}${f.unit || ''}</span>` : 
-                                       d < 0 ? `<span class="text-red-600">${d}${f.unit || ''}</span>` : '-';
-                            }
-                            
-                            return `
-                                <tr>
-                                    <td class="px-4 py-2 text-gray-600">${f.label}</td>
-                                    <td class="px-4 py-2 text-center font-medium">${fv1}</td>
-                                    <td class="px-4 py-2 text-center font-medium">${fv2}</td>
-                                    <td class="px-4 py-2 text-center">${diff}</td>
-                                </tr>
-                            `;
-                        }).join('')}
-                    </tbody>
-                </table>
             `;
-            
+
+            fields.forEach(f => {
+                const values = selected.map(p => p[f.key]);
+                const hasNumber = values.some(v => typeof v === 'number' && v !== null);
+                
+                let minVal = null, maxVal = null;
+                if (hasNumber) {
+                    const nums = values.filter(v => typeof v === 'number' && v !== null);
+                    if (nums.length > 0) {
+                        minVal = Math.min(...nums);
+                        maxVal = Math.max(...nums);
+                    }
+                }
+
+                html += `<tr class="hover:bg-gray-50">
+                    <td class="px-4 py-3 text-gray-600 sticky left-0 bg-white">${f.label}</td>`;
+
+                values.forEach(v => {
+                    let display = '-';
+                    if (v !== null && v !== undefined && v !== '') {
+                        if (f.type === 'boolean') {
+                            display = v ? '<span class="text-green-600">是</span>' : '<span class="text-gray-400">否</span>';
+                        } else if (f.type === 'number') {
+                            display = v;
+                        } else if (f.type === 'json' && typeof v === 'object') {
+                            display = `<span class="text-xs text-gray-500">${JSON.stringify(v).substring(0, 30)}...</span>`;
+                        } else {
+                            display = String(v);
+                        }
+                    }
+                    html += `<td class="px-4 py-3 text-center font-medium">${display}</td>`;
+                });
+
+                // 差异范围
+                let diffRange = '-';
+                if (minVal !== null && maxVal !== null && minVal !== maxVal) {
+                    diffRange = `<span class="text-orange-600">${minVal} ~ ${maxVal}</span>`;
+                    if (f.unit) diffRange += `<span class="text-gray-400 text-xs ml-1">${f.unit}</span>`;
+                } else if (minVal !== null) {
+                    diffRange = '<span class="text-gray-400">相同</span>';
+                }
+
+                html += `<td class="px-4 py-3 text-center text-sm">${diffRange}</td>`;
+                html += '</tr>';
+            });
+
+            html += '</tbody></table>';
             document.getElementById('compareTable').innerHTML = html;
             document.getElementById('compareResult').classList.remove('hidden');
         }
 
+        // 获取对比字段
+        function getCompareFields() {
+            if (!currentCategory) return [];
+
+            // 使用类别的 fields 配置
+            const categoryFields = currentCategory.fields || [];
+            
+            if (categoryFields.length > 0) {
+                return categoryFields
+                    .filter(f => !['id', 'created_at', 'updated_at', 'visible', 'raw_text', 'images', 'is_pinned'].includes(f.key))
+                    .slice(0, 15)  // 最多显示15个字段
+                    .map(f => ({
+                        key: f.key,
+                        label: f.label,
+                        type: f.type,
+                        unit: f.unit || null
+                    }));
+            }
+
+            // 兼容旧的内置类别（无 fields 配置时）
+            const builtinFields = {
+                'ai-models': [
+                    { key: 'name', label: '名称', type: 'text' },
+                    { key: 'organization', label: '厂商', type: 'text' },
+                    { key: 'parameters', label: '参数量', type: 'number', unit: 'B' },
+                    { key: 'context_length', label: '上下文长度', type: 'number' },
+                    { key: 'mmlu', label: 'MMLU', type: 'number', unit: '%' },
+                    { key: 'humaneval', label: 'HumanEval', type: 'number', unit: '%' },
+                    { key: 'is_open_source', label: '开源', type: 'boolean' },
+                    { key: 'input_price', label: '输入价格', type: 'number', unit: '$/1K' },
+                    { key: 'output_price', label: '输出价格', type: 'number', unit: '$/1K' },
+                ],
+                'gpus': [
+                    { key: 'name', label: '名称', type: 'text' },
+                    { key: 'manufacturer', label: '厂商', type: 'text' },
+                    { key: 'architecture', label: '架构', type: 'text' },
+                    { key: 'memory_gb', label: '显存', type: 'number', unit: 'GB' },
+                    { key: 'cuda_cores', label: 'CUDA核心', type: 'number' },
+                    { key: 'fp16_tflops', label: 'FP16性能', type: 'number', unit: 'TF' },
+                    { key: 'price_usd', label: '价格', type: 'number', unit: '$' },
+                ],
+                'cpus': [
+                    { key: 'name', label: '名称', type: 'text' },
+                    { key: 'manufacturer', label: '厂商', type: 'text' },
+                    { key: 'cores', label: '核心数', type: 'number' },
+                    { key: 'threads', label: '线程数', type: 'number' },
+                    { key: 'base_clock_ghz', label: '基础频率', type: 'number', unit: 'GHz' },
+                    { key: 'boost_clock_ghz', label: '加速频率', type: 'number', unit: 'GHz' },
+                    { key: 'l3_cache_mb', label: 'L3缓存', type: 'number', unit: 'MB' },
+                    { key: 'tdp_watts', label: 'TDP', type: 'number', unit: 'W' },
+                    { key: 'price_usd', label: '价格', type: 'number', unit: '$' },
+                ]
+            };
+
+            return builtinFields[currentCategory.id] || [];
+        }
+
         // 初始化
-        loadNav();
-        setCompareType('model');
+        async function init() {
+            await loadNav();
+            renderCategoryButtons();
+        }
+
+        init();
     </script>
 </body>
 </html>