home0923

app.py

@@ -83,7 +83,9 @@ def query():
         phone = request.form.get('phone', '').strip()
         
         if not plate_number and not phone:
-            return render_template('query.html', error='请至少输入车牌号或手机号', recent_queries=formatted_recent_queries)
+            # 存储错误信息到session
+            session['error_message'] = '请至少输入车牌号或手机号'
+            return redirect(url_for('query'))
         
         conn = get_db_connection()
         cursor = conn.cursor()
@@ -156,40 +158,57 @@ def query():
             'results_count': len(car_owners)
         }
         
-        # 使用辅助函数获取更新后的最近查询历史
-        formatted_recent_queries = get_recent_queries()
+        # 将查询结果和历史信息存储到session中
+        session['query_results'] = {
+            'car_owners': car_owners,
+            'query_history': query_history
+        }
         
-        return render_template('query.html', query_history=query_history, car_owners=car_owners, recent_queries=formatted_recent_queries)
+        # 重定向到GET请求，避免刷新页面时的重复提交提示
+        return redirect(url_for('query'))
     
-    return render_template('query.html', recent_queries=formatted_recent_queries)
+    # GET请求时，从session中获取查询结果（如果有）
+    query_results = session.pop('query_results', None)
+    error_message = session.pop('error_message', None)
+    
+    # 重新获取最近查询历史，确保数据是最新的
+    formatted_recent_queries = get_recent_queries()
+    
+    if query_results:
+        return render_template('query.html', 
+                             query_history=query_results['query_history'], 
+                             car_owners=query_results['car_owners'], 
+                             recent_queries=formatted_recent_queries,
+                             error=error_message)
+    
+    return render_template('query.html', recent_queries=formatted_recent_queries, error=error_message)
 
 # 获取查询历史详情的路由
 @app.route('/query_history_detail/<int:history_id>')
 def query_history_detail(history_id):
+    """
+    根据查询历史ID获取对应的车辆所有者信息
+    
+    Args:
+        history_id: 查询历史记录的ID
+    
+    Returns:
+        JSON: 包含车辆所有者信息的JSON响应
+    """
+    # 检查用户是否已登录
     if 'username' not in session:
         return jsonify({'error': '未登录'}), 401
     
+    # 验证history_id是否为正整数
+    if not isinstance(history_id, int) or history_id <= 0:
+        return jsonify({'error': '无效的查询历史ID'}), 400
+    
     conn = get_db_connection()
     cursor = conn.cursor()
     
     try:
-        # 获取查询历史记录
-        cursor.execute("SELECT plate_number, phone FROM query_history WHERE id = ?", (history_id,))
-        history = cursor.fetchone()
-        
-        if not history:
-            return jsonify({'error': '查询历史不存在'}), 404
-        
-        plate_number, phone = history
-        
-        # 根据车牌号和手机号查询车辆信息
-        if plate_number and phone:
-            cursor.execute("SELECT * FROM car_owners WHERE plate_number = ? AND phone = ?", (plate_number, phone))
-        elif plate_number:
-            cursor.execute("SELECT * FROM car_owners WHERE plate_number = ?", (plate_number,))
-        else:
-            cursor.execute("SELECT * FROM car_owners WHERE phone = ?", (phone,))
-        
+        # 直接根据query_history_id从car_owners表查询对应记录
+        cursor.execute("SELECT * FROM car_owners WHERE query_history_id = ?", (history_id,))
         results = cursor.fetchall()
         
         # 格式化结果
@@ -201,8 +220,8 @@ def query_history_detail(history_id):
                 'phone': result[2],
                 'id_card': result[3],
                 'name': result[4],
-                'email': result[5],
-                'address': result[6]
+                'email': result[5] if result[5] else '',
+                'address': result[6] if result[6] else ''
             })
         
         return jsonify({'car_owners': car_owners})