/// <summary>
/// 得到股票或期货的K线数据
/// </summary>
/// <param name="code"></param>
/// <param name="startDate"></param>
/// <param name="endDate"></param>
/// <param name="klinePeriod"></param>
/// <returns></returns>
public virtual IKLineData GetKLineData(String code, int startDate, int endDate, KLinePeriod klinePeriod)
{
IList <int> tradingDays = GetTickDataDays(code);// GetTradingDays();
if (tradingDays == null)
{
return(null);
}
CacheUtils_TradingDay cache = new CacheUtils_TradingDay(tradingDays);
IList <int> openDates = cache.GetTradingDays(startDate, endDate);
if (openDates == null || openDates.Count == 0)
{
return(null);
}
float lastEndPrice = -1;
int lastEndHold = -1;
int prevTradingDay = cache.GetPrevTradingDay(openDates[0]);
//找到之前交易日的收盘价和收盘持仓
if (prevTradingDay > 0)
{
ITickData tickData = GetTickData(code, prevTradingDay);
lastEndPrice = tickData.Arr_Price[tickData.Length - 1];
lastEndHold = tickData.Arr_Hold[tickData.Length - 1];
}
//如果存在该周期的源数据直接生成，否则用1分钟K线生成
if (Exist(code, openDates[0], klinePeriod))
{
return(GetKLineData(code, klinePeriod, openDates, lastEndPrice, lastEndHold));
}
IKLineData oneMinuteKLine = GetKLineData(code, KLinePeriod.KLinePeriod_1Minute, openDates, lastEndPrice, lastEndHold);
if (oneMinuteKLine.Length == 0)
{
return(null);
}
IList <ITradingTime> sessions = GetTradingTime(code);
if (sessions == null)
{
return(null);
}
return(DataTransfer_KLine2KLine.Transfer(oneMinuteKLine, klinePeriod, new CacheUtils_TradingTime(code, GetTradingTime(code))));
}
public IKLineData GetData(String code, int startDate, int endDate, KLinePeriod period)
{
if (period.PeriodType == KLineTimeType.MINUTE)
{
if (period.Period == 1 || period.Period == 15)
{
return(LoadKLineData(code, startDate, endDate, period));
}
IKLineData data = LoadKLineData(code, startDate, endDate, new KLinePeriod(KLineTimeType.MINUTE, 1));
return(DataTransfer_KLine2KLine.Transfer(data, period, null));
}
if (period.PeriodType == KLineTimeType.HOUR)
{
if (period.Period == 1)
{
return(LoadKLineData(code, startDate, endDate, period));
}
IKLineData data = LoadKLineData(code, startDate, endDate, new KLinePeriod(KLineTimeType.HOUR, 1));
return(DataTransfer_KLine2KLine.Transfer(data, period, null));
}
if (period.PeriodType == KLineTimeType.DAY)
{
if (period.Period == 1)
{
return(LoadKLineData(code, startDate, endDate, period));
}
IKLineData data = LoadKLineData(code, startDate, endDate, new KLinePeriod(KLineTimeType.DAY, 1));
return(DataTransfer_KLine2KLine.Transfer(data, period, null));
}
if (period.PeriodType == KLineTimeType.SECOND)
{
//return LoadKLineData_Second(code, startDate, endDate, period);
return(dataReaderExtend.GetKLineData_Second(code, startDate, endDate, period));
}
//return LoadKLineData(code, startDate, endDate, period);
throw new ArgumentException("暂未实现");
}
