制作一个用于选修课的学生选课系统，可以实现教师课程上报，学生选课，成绩上报，成绩查询，系统管理等功能。-Making one for Elective Elective System students, teachers can achieve course reporting, student selection, performance reporting, score query, system management functions.

本教学事务管理系统，包括学生、教师、院系、课程、成绩等在内的基础数据管理、数据打印、学生添加选修课、教师修改学生选课信息及系统管理等几部分-The teaching affairs management system, including students, teachers, faculty, course, scores, basic data management, data printing, students add elective courses, teachers modify