修复每页数量选择功能

- 前端搜索时传递limit参数
- 后端搜索API支持limit参数

routes/articles.py

@@ -31,12 +31,17 @@ def search_articles():
     """搜索文章"""
     keyword = request.args.get('q', '')
     category = request.args.get('category')
+    limit = request.args.get('limit', type=int)  # 支持limit参数
     
     if not keyword:
         return jsonify({'error': '请提供搜索关键词'}), 400
     
     articles = db.search_articles(keyword, category)
     
+    # 如果有limit参数，截取
+    if limit:
+        articles = articles[:limit]
+    
     # 解析JSON字段
     for article in articles:
         article['product_names'] = __import__('json').loads(article.get('product_names', '[]'))

static/js/library.js

@@ -49,7 +49,12 @@ async function loadArticles() {
     });
     
     if (keyword) {
-        const response = await fetch(`${API_BASE}/api/articles/search?q=${encodeURIComponent(keyword)}${category ? '&category=' + encodeURIComponent(category) : ''}`);
+        // 搜索时也传递 limit 参数
+        let searchUrl = `${API_BASE}/api/articles/search?q=${encodeURIComponent(keyword)}`;
+        if (category) searchUrl += `&category=${encodeURIComponent(category)}`;
+        searchUrl += `&limit=${pageSize}`;
+        
+        const response = await fetch(searchUrl);
         const data = await response.json();
         
         if (data.success) {