这是一个学生管理系统，他主要包括输入学生信息，增加学生信息，修改学生信息，删除学生信息，以及对学生信息以一定的方式进行排序-This is a student management system, and he includes input student information, increasing student information, student information to modify, delete student information, as well as information on students to sort a certain way