/// <summary>
/// 获取指定学生的GPA信息，所有
/// </summary>
/// <param name="StuID">学号</param>
/// <returns>返回计算后的GPA</returns>
public static GPAInfo AllCredit(List <Score> Slist)
{
//List<Score> Slist = jwOp.GetScores(StuID);
GPAInfo Stu = Compute(Slist);
return(Stu);
}
/// <summary>
/// 给定成绩列表算出GPA
/// </summary>
/// <param name="Slist">成绩列表</param>
/// <returns>返回计算后的GPA</returns>
public static GPAInfo Compute(List <Score> Slist)
{
if (Slist == null)
{
return(new GPAInfo(0, 0, 0));
}
float CreditAll = 0; //Credit--SUM
float ScoreAll = 0; //Score*Credit--SUM
float GPAAll = 0; //GPA*Credit --SUM
foreach (Score s in Slist)
{
CreditAll += float.Parse(s.Credit);
GPAAll += ComputeGPA(float.Parse(s.Mark)) * float.Parse(s.Credit);
ScoreAll += float.Parse(s.Credit) * float.Parse(s.Mark);
}
float GPA = GPAAll / CreditAll;
float AverageScore = ScoreAll / CreditAll;
GPAInfo Stu1 = new GPAInfo(GPA, AverageScore, CreditAll);
return(Stu1);
}
/// <summary>
/// 给定成绩列表算出GPA,为UI计算的时候使用
/// </summary>
/// <param name="Slist">成绩列表</param>
/// <returns>返回计算后的GPA</returns>
public static GPAInfo ComputeUI(List <miniScore> Slist)
{
if (Slist == null)
{
return(new GPAInfo(0, 0, 0));
}
float CreditAll = 0; //Credit--SUM
float ScoreAll = 0; //Score*Credit--SUM
float GPAAll = 0; //GPA*Credit --SUM
foreach (miniScore s in Slist)
{
CreditAll += s.Credit;
GPAAll += ComputeGPA(s.Score) * s.Credit;
ScoreAll += s.Credit * s.Score;
}
float GPA = GPAAll / CreditAll;
float AverageScore = ScoreAll / CreditAll;
GPAInfo Stu1 = new GPAInfo(GPA, AverageScore, CreditAll);
return(Stu1);
}