public RankData GetTopByPercent(int percent)
{
RankData result = new RankData();
result.Name = this.Name;
if (this.Tag != null)
{
result.Tag = this.Tag;
}
foreach (string id in this.Keys)
{
decimal rank = (decimal)this[id].Rank;
rank = rank / this.Count * 100;
rank = decimal.Round(rank, 0, MidpointRounding.AwayFromZero);
this[id].Rank = (int)rank;
if (rank <= percent)
{
result.Add(id, this[id]);
}
}
return(result);
}
public void Merge(RankData other)
{
foreach (string id in other.Keys)
{
this.Add(id, other[id]);
}
}
public RankData Perform(RankData source)
{
List <decimal> score_list = new List <decimal>();
foreach (RankScore rs in source.Values)
{
score_list.Add(rs.Score);
}
score_list.Sort(delegate(decimal a, decimal b)
{
return(b.CompareTo(a));
});
List <string> id_list = new List <string>(new string[source.Count]);
foreach (string id in source.Keys)
{
int index = score_list.IndexOf(source[id].Score);
if (index < 0)
{
throw new Exception("排名發生錯誤");
}
while (!string.IsNullOrEmpty(id_list[index]))
{
index++;
}
id_list[index] = id;
}
int rank = 0;
int prank = 1;
decimal last = decimal.MinValue;
foreach (string id in id_list)
{
if (source[id].Score == last)
{
if (!Sequence)
{
rank++;
}
source[id].Rank = prank;
}
else
{
rank++;
source[id].Rank = rank;
prank = rank;
}
last = source[id].Score;
//prank = rank;
}
return(source);
}
public int CompareTo(object obj)
{
RankData data = obj as RankData;
List <string> list = new List <string>(new string[] { "語文", "國語文", "國文", "國語", "英文", "英語", "英語文", "數學" });
int a = list.IndexOf(this.Name);
int b = list.IndexOf(data.Name);
if (a < 0)
{
a = int.MaxValue;
}
if (b < 0)
{
b = int.MaxValue;
}
return(a.CompareTo(b));
}
public RankData GetTopByRank(int rank)
{
RankData result = new RankData();
result.Name = this.Name;
if (this.Tag != null)
{
result.Tag = this.Tag;
}
foreach (string id in this.Keys)
{
if (this[id].Rank <= rank)
{
result.Add(id, this[id]);
}
}
return(result);
}
public void Perform()
{
List <RankData> rankData = new List <RankData>();
foreach (RankData data in _rankData)
{
if (RankType == RankType.Class)
{
#region 班排名
Dictionary <string, RankData> classRankData = new Dictionary <string, RankData>();
foreach (string id in data.Keys)
{
JHStudentRecord student = _studentDict[id];
string className = string.Empty;
if (student.Class != null)
{
className = student.Class.Name;
}
if (!classRankData.ContainsKey(className))
{
classRankData.Add(className, new RankData());
}
RankData eachClassRankData = classRankData[className];
eachClassRankData.Add(id, data[id]);
}
RankData all = new RankData();
all.Name = data.Name;
if (data.Tag != null)
{
all.Tag = data.Tag;
}
foreach (RankData each in classRankData.Values)
{
all.Merge(_ranker.Perform(each));
}
rankData.Add(all);
#endregion
}
else if (RankType == RankType.GradeYear)
{
#region 年排名
Dictionary <string, RankData> gradeRankData = new Dictionary <string, RankData>();
foreach (string id in data.Keys)
{
JHStudentRecord student = _studentDict[id];
string gradeYear = string.Empty;
if (student.Class != null)
{
gradeYear = "" + student.Class.GradeYear;
}
if (!gradeRankData.ContainsKey(gradeYear))
{
gradeRankData.Add(gradeYear, new RankData());
}
RankData eachGradeRankData = gradeRankData[gradeYear];
eachGradeRankData.Add(id, data[id]);
}
RankData all = new RankData();
all.Name = data.Name;
foreach (RankData each in gradeRankData.Values)
{
all.Merge(_ranker.Perform(each));
}
rankData.Add(all);
#endregion
}
}
_rankData.Clear();
_rankData = rankData;
}
public void AddRankData(RankData data)
{
_rankData.Add(data);
}