Update calculate.py

calculate.py

@@ -21,18 +21,43 @@ def main(a, w1):
 def query_isbn(isbn, csv_path='datas/books.csv'):
     """
     同步查询ISBN信息（直接返回结果）
-
     :param isbn: ISBN编号（字符串）
-    :param csv_path: CSV文件路径（默认当前目录）
-    :return: 匹配记录字典或错误信息字符串
+    :param csv_path: CSV文件路径
+    :return: 匹配记录列表或错误信息字符串
+    """
+    try:
+        with open(csv_path, 'r', encoding='utf-8') as f:
+            reader = csv.DictReader(f)
+            results = []
+            for row in reader:
+                if row['isbn'].strip() == isbn.strip():
+                    results.append(row)
+            return results if results else ["未找到匹配的图书记录"]
+    except FileNotFoundError:
+        return [f"错误：文件 {csv_path} 不存在"]
+    except Exception as e:
+        return [f"查询失败：{str(e)}"]
+
+
+
+def fuzzy_search_book(keyword, csv_path='datas/books.csv'):
+    """
+    模糊搜索图书信息
+    :param keyword: 搜索关键词
+    :param csv_path: CSV文件路径
+    :return: 匹配记录列表或错误信息字符串
     """
     try:
         with open(csv_path, 'r', encoding='utf-8') as f:
             reader = csv.DictReader(f)
+            results = []
             for row in reader:
-                if row['isbn'].strip() == isbn.strip():  # 增加空格过滤
-                    return row
-        return "未找到匹配的图书记录"
+                # 在书名、作者和分类中搜索关键词
+                if (keyword.lower() in row['title'].lower() or 
+                    keyword.lower() in row['author'].lower() or 
+                    keyword.lower() in row['category'].lower()):
+                    results.append(row)
+            return results if results else "未找到匹配的图书记录"
     except FileNotFoundError:
         return f"错误：文件 {csv_path} 不存在"
     except Exception as e: