这是SSH2集成的高校成绩管理系统，包括系统管理员，教师，学生三个角色，里面的有对学生，老师，管理员的增，删，修改 功能，能查询成绩。-This is an SSH2 integration of university performance management system, including system administrators, teachers, students three roles, inside have to students, teachers and admini