feat: 增加学生信息管理功能，优化操行分历史记录展示并更新使用文档

backend/services/admin_service.py

@@ -10,7 +10,7 @@
 # ===========================================
 
 from typing import Dict, Any, List, Optional
-from utils.database import execute_query, execute_one
+from utils.database import execute_query, execute_one, execute_update
 from models.user import UserModel
 from models.student import StudentModel
 from models.admin_role import AdminRoleModel
@@ -245,4 +245,67 @@ class AdminService:
     async def get_admins() -> Dict[str, Any]:
         """获取管理员列表"""
         admins = await AdminRoleModel.get_all()
-        return {"admins": admins}
+        return {"admins": admins}
+
+    @staticmethod
+    async def update_student(student_id: int, name: str = None, parent_phone: str = None) -> Dict[str, Any]:
+        """编辑学生信息"""
+        try:
+            student = await StudentModel.get_by_id(student_id)
+            if not student:
+                return {"success": False, "message": "学生不存在"}
+            
+            result = await StudentModel.update(student_id, name=name, parent_phone=parent_phone)
+            if result:
+                return {"success": True, "message": "学生信息更新成功"}
+            return {"success": False, "message": "更新失败"}
+        except Exception as e:
+            logger.error(f"更新学生信息失败: {e}")
+            return {"success": False, "message": f"更新失败: {str(e)}"}
+
+    @staticmethod
+    async def delete_student(student_id: int) -> Dict[str, Any]:
+        """删除学生（软删除）"""
+        try:
+            student = await StudentModel.get_by_id(student_id)
+            if not student:
+                return {"success": False, "message": "学生不存在"}
+            
+            result = await StudentModel.delete(student_id)
+            if result:
+                user = await execute_one(
+                    "SELECT user_id FROM users WHERE student_id = %s AND user_type = 'student'",
+                    (student_id,)
+                )
+                if user:
+                    await UserModel.update_status(user['user_id'], 0)
+                return {"success": True, "message": "学生删除成功"}
+            return {"success": False, "message": "删除失败"}
+        except Exception as e:
+            logger.error(f"删除学生失败: {e}")
+            return {"success": False, "message": f"删除失败: {str(e)}"}
+
+    @staticmethod
+    async def reset_student_password(student_id: int, new_password: str) -> Dict[str, Any]:
+        """重置学生密码"""
+        try:
+            user = await execute_one(
+                "SELECT user_id FROM users WHERE student_id = %s AND user_type = 'student'",
+                (student_id,)
+            )
+            if not user:
+                return {"success": False, "message": "未找到对应的用户账号"}
+            
+            password_hash = security.sha1_md5_password(new_password)
+            
+            result = await UserModel.update_password(user['user_id'], password_hash)
+            if result:
+                await execute_update(
+                    "UPDATE users SET need_change_password = 1 WHERE user_id = %s",
+                    (user['user_id'],)
+                )
+                return {"success": True, "message": "密码重置成功"}
+            return {"success": False, "message": "密码重置失败"}
+        except Exception as e:
+            logger.error(f"重置学生密码失败: {e}")
+            return {"success": False, "message": f"重置失败: {str(e)}"}