v2.3修复

backend/services/admin_service.py

@@ -33,25 +33,45 @@ class AdminService:
         """获取所有学生列表"""
         offset = (page - 1) * page_size
         
-        sql = """
-            SELECT student_id, student_no, name, total_points, parent_phone, dormitory_number, status
-            FROM students
-            WHERE status = 1
-        """
-        params = []
-        
-        if search:
-            sql += " AND (student_no LIKE %s OR name LIKE %s)"
-            params.extend([f"%{search}%", f"%{search}%"])
-        
-        if dormitory_number:
-            sql += " AND dormitory_number = %s"
-            params.append(dormitory_number)
-        
-        sql += " ORDER BY student_no LIMIT %s OFFSET %s"
-        params.extend([page_size, offset])
-        
-        students = await execute_query(sql, tuple(params))
+        try:
+            sql = """
+                SELECT student_id, student_no, name, total_points, parent_phone, dormitory_number, status
+                FROM students
+                WHERE status = 1
+            """
+            params = []
+            
+            if search:
+                sql += " AND (student_no LIKE %s OR name LIKE %s)"
+                params.extend([f"%{search}%", f"%{search}%"])
+            
+            if dormitory_number:
+                sql += " AND dormitory_number = %s"
+                params.append(dormitory_number)
+            
+            sql += " ORDER BY student_no LIMIT %s OFFSET %s"
+            params.extend([page_size, offset])
+            
+            students = await execute_query(sql, tuple(params))
+            has_dormitory = True
+        except Exception as e:
+            logger.warning(f"dormitory_number 列不存在，使用不含该字段的查询: {e}")
+            sql = """
+                SELECT student_id, student_no, name, total_points, parent_phone, status
+                FROM students
+                WHERE status = 1
+            """
+            params = []
+            
+            if search:
+                sql += " AND (student_no LIKE %s OR name LIKE %s)"
+                params.extend([f"%{search}%", f"%{search}%"])
+            
+            sql += " ORDER BY student_no LIMIT %s OFFSET %s"
+            params.extend([page_size, offset])
+            
+            students = await execute_query(sql, tuple(params))
+            has_dormitory = False
         
         # 获取总数
         count_sql = "SELECT COUNT(*) as total FROM students WHERE status = 1"
@@ -59,7 +79,7 @@ class AdminService:
         if search:
             count_sql += " AND (student_no LIKE %s OR name LIKE %s)"
             count_params.extend([f"%{search}%", f"%{search}%"])
-        if dormitory_number:
+        if dormitory_number and has_dormitory:
             count_sql += " AND dormitory_number = %s"
             count_params.append(dormitory_number)
         if count_params: