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]);
}
if (weight == 0)
{
return(0);
}
else
{
return(Round(sum / weight));
}
}
