学生：修改密码，查看个人资料，查看所选课程成绩，选课。 教师：修改密码，查看个人资料，查看所教课程所有学生的成绩，录入成绩。 教密：修改密码，查看个人...

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学生：修改密码，查看个人资料，查看所选课程成绩，选课。 教师：修改密码，查看个人资料，查看所教课程所有学生的成绩，录入成绩。 教密：修改密码，查看个人资料，学生信息维护（添加、删除和修改），教师信息维护（添加、删除和修改），课程信息维护（添加、删除和修改），专业信息维护（添加、删除和修改），查看所有课程成绩。-Student: change passwords, view personal information, view the selected program accomplishments, elective. Teacher: change passwords, view personal information, view the curriculum taught to all students of the results, entry results. Education secret: change password, view personal information, student information maintenance (add, delete and modify), teacher information maintenance (add, delete and modify), course information maintenance (add, delete and modify), professional information maintenance (add, delete and modify), view all course grade.