该系统是基于MFC非模式对话框编程的学生成绩管理系统，界面美观，包含查询、排序、添加纪录、删除纪录、编辑纪录、音乐背景等功能-The system is student performance management system based on the MFC modeless dialog programming interface is beautiful, that contains the query, sort, add records, delete records, edit r