private decimal 加權平均(ReportStudent student, ItemWeightCollection subjectWeight, ItemWeightCollection domainWeight)
{
// 如果學生有成績計算規則使用學生，沒有使用預設2位。
if (student.StudScoreCalculator == null)
{
decimal sum = 0, weight = subjectWeight.GetWeightSum() + domainWeight.GetWeightSum();
foreach (string scoreItem in subjectWeight.Keys)
{
sum += (student.Scores[SubjectToken][scoreItem] * subjectWeight[scoreItem]);
}
foreach (string scoreItem in domainWeight.Keys)
{
sum += (student.Scores[DomainToken][scoreItem] * domainWeight[scoreItem]);
}
return(Round(sum / weight));
}
else
{
decimal sumS = 0, sumD = 0, avgS = 0, avgD = 0, wS = subjectWeight.GetWeightSum(), wD = domainWeight.GetWeightSum();
decimal sumAll = 0, avgAll = 0;
foreach (string scoreItem in subjectWeight.Keys)
{
sumS += (student.Scores[SubjectToken][scoreItem] * subjectWeight[scoreItem]);
sumAll += (student.Scores[SubjectToken][scoreItem] * subjectWeight[scoreItem]);
}
foreach (string scoreItem in domainWeight.Keys)
{
sumD += (student.Scores[DomainToken][scoreItem] * domainWeight[scoreItem]);
sumAll += (student.Scores[DomainToken][scoreItem] * domainWeight[scoreItem]);
}
// 當科目與領域混用，進位方式使用領域。
if (wS > 0 && wD > 0)
{
avgAll = student.StudScoreCalculator.ParseDomainScore(sumAll / (wS + wD));
return(avgAll);
}
else
{
if (wS > 0)
{
avgS = student.StudScoreCalculator.ParseSubjectScore(sumS / wS);
}
if (wD > 0)
{
avgD = student.StudScoreCalculator.ParseDomainScore(sumD / wD);
}
return(avgS + avgD);
}
}
}
private decimal 加權平均(ReportStudent student, ItemWeightCollection subjectWeight, ItemWeightCollection domainWeight)
{
decimal sum = 0, weight = subjectWeight.GetWeightSum() + domainWeight.GetWeightSum();
foreach (string scoreItem in subjectWeight.Keys)
{
sum += (student.Scores[SubjectToken][scoreItem] * subjectWeight[scoreItem]);
}
foreach (string scoreItem in domainWeight.Keys)
{
sum += (student.Scores[DomainToken][scoreItem] * domainWeight[scoreItem]);
}
return(Round(sum / weight));
}