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);
rank = rank <= 0 ? 1 : rank;
this[id].Rank = (int)rank;
if (rank <= percent)
{
result.Add(id, this[id]);
}
}
return(result);
}
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)
{
RStudentRecord student = _studentDict[id];
string className = string.Empty;
className = student.ClassName;
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;
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)
{
RStudentRecord student = _studentDict[id];
string gradeYear = student.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;
all.Tag = data.Tag;
foreach (RankData each in gradeRankData.Values)
{
all.Merge(_ranker.Perform(each));
}
rankData.Add(all);
#endregion
}
}
_rankData.Clear();
_rankData = rankData;
}
