本设计主要用于教师录入学生成绩及学生查询成绩，学生可以修改自己的密码及其他信息，学生还可以查询自己的基本信息，从而实现对学生成绩的管理．-The design of the main entry for teachers and students check student achievement scores, students can change their own passwords and other information, students can check their basi