现在的高校由于学生众多，原有校区已不能容纳，每次新学期选课的时候教务老师都会非常忙，所以开发了这个选课系统，该系统包括三个模块，用户管理模块，学生模块和管理模块。-Because many college students now, the original campus has been unable to accommodate each new semester elective teacher when the Senate will be very busy, so the devel