MFC实现了学生管理系统中学生信息的查询，其中输入信息包括姓名，学号，成绩。可以通过学生姓名进行查询，并输出。还可以根据学生成绩降序排列-It s a system for MFC. The function of it is to deal with the information of students,which include name,number,score.It is also possiable for users to pick up one s information acc