public int selectCourse(int sid, int cid)
{
int startyear = int.Parse(new StudentBusiness().getStuBySid(sid).Startyear.ToString());
int year = DateTime.Now.Year;
int month = DateTime.Now.Month;
int semester = (month >= 1 && month <= 6) ? 2 * (year - startyear) : 2 * (year - startyear) + 1;
ScModel scModel = new ScModel(sid, cid, semester);
CourseService courseService = new CourseService();
//判断是否有先修
if (!courseService.ifPrecourceYes(sid,cid,semester))
{
return 2;
}
//判断是否冲突
else if (courseService.isSectionNotAvailable(sid,cid,semester))
{
return 3;
}
else
{
return courseService.insertSelectedCourse(scModel);
}
}