v2.0.1更新

backend/models/semester.py

@@ -126,6 +126,18 @@ class SemesterModel:
         """
         return await execute_query(sql, (semester_id, start_date, end_date))
     
+    @staticmethod
+    async def count_records_by_semester(semester_id: int) -> Dict[str, int]:
+        """统计学期关联的记录数"""
+        conduct_sql = "SELECT COUNT(*) as cnt FROM conduct_records WHERE semester_id = %s"
+        attendance_sql = "SELECT COUNT(*) as cnt FROM attendance_records WHERE semester_id = %s"
+        conduct_result = await execute_one(conduct_sql, (semester_id,))
+        attendance_result = await execute_one(attendance_sql, (semester_id,))
+        return {
+            "conduct_count": conduct_result['cnt'] if conduct_result else 0,
+            "attendance_count": attendance_result['cnt'] if attendance_result else 0
+        }
+    
     @staticmethod
     async def get_homework_stats_by_date_range(start_date: str, end_date: str) -> List[Dict]:
         """通过作业截止日期范围查询所有学生的作业提交统计"""