/// <summary>
/// 计算指标
/// </summary>
/// <param name="id">指标ID</param>
/// <param name="code">代码</param>
/// <param name="path">路径</param>
/// <param name="type">类型</param>
/// <param name="cycle">周期</param>
/// <param name="subscription">复权方式</param>
/// <param name="date">日期</param>
/// <param name="open">开盘价</param>
/// <param name="high">最高价</param>
/// <param name="low">最低价</param>
/// <param name="close">收盘价</param>
/// <param name="volume">成交量</param>
/// <param name="amount">成交额</param>
/// <returns>返回数据</returns>
public static double[] calculateIndicatorExtern(int id, String code, ref double result)
{
if (m_indicators.ContainsKey(id))
{
FCScript indicator = m_indicators[id];
List <FCScript> indicators = new List <FCScript>();
indicators.Add(indicator);
List <SecurityData> datas = new List <SecurityData>();
if (SecurityService.m_historyDatas.ContainsKey(code))
{
datas = SecurityService.m_historyDatas[code];
SecurityLatestData latestData = null;
if (SecurityService.m_latestDatas.ContainsKey(code))
{
latestData = SecurityService.m_latestDatas[code];
}
if (latestData != null)
{
SecurityData newData = new SecurityData();
getSecurityData(latestData, latestData.m_lastClose, 1440, 0, ref newData);
if (datas.Count == 0)
{
datas.Add(newData);
}
else
{
if (newData.m_date > datas[datas.Count - 1].m_date)
{
datas.Add(newData);
}
else
{
datas[datas.Count - 1] = newData;
}
}
}
FCDataTable dataSource = indicator.DataSource;
int[] fields = new int[] { KeyFields.CLOSE_INDEX, KeyFields.HIGH_INDEX, KeyFields.LOW_INDEX, KeyFields.OPEN_INDEX, KeyFields.VOL_INDEX, KeyFields.AMOUNT_INDEX };
SecurityDataHelper.bindHistoryDatas(m_chart, dataSource, indicators, fields, datas);;
int rowsCount = dataSource.RowsCount;
int variablesSize = indicator.MainVariables.Count;
double[] list = new double[variablesSize];
if (rowsCount > 0)
{
int pos = 0;
foreach (String name in indicator.MainVariables.Keys)
{
int field = indicator.MainVariables[name];
double value = dataSource.get2(rowsCount - 1, field);
list[pos] = value;
pos++;
}
}
result = indicator.m_result;
dataSource.clear();
return(list);
}
}
return(null);
}
/// <summary>
/// 绑定历史数据
/// </summary>
/// <param name="chart">股票控件</param>
/// <param name="dataSource">数据源</param>
/// <param name="indicators">指标</param>
/// <param name="fields">字段</param>
/// <param name="historyDatas">历史数据</param>
public static void bindHistoryDatas(FCChart chart, FCDataTable dataSource, List <FCScript> indicators, int[] fields, List <SecurityData> historyDatas)
{
dataSource.clear();
int size = historyDatas.Count;
dataSource.setRowsCapacity(size + 10);
dataSource.setRowsGrowStep(100);
int columnsCount = dataSource.ColumnsCount;
for (int i = 0; i < size; i++)
{
SecurityData securityData = historyDatas[i];
if (dataSource == chart.DataSource)
{
insertData(chart, dataSource, fields, securityData);
}
else
{
double[] ary = new double[columnsCount];
ary[0] = securityData.m_close;
ary[1] = securityData.m_high;
ary[2] = securityData.m_low;
ary[3] = securityData.m_open;
ary[4] = securityData.m_volume;
for (int j = 5; j < columnsCount; j++)
{
ary[j] = double.NaN;
}
dataSource.AddRow(securityData.m_date, ary, columnsCount);
}
}
int indicatorsSize = indicators.Count;
for (int i = 0; i < indicatorsSize; i++)
{
indicators[i].onCalculate(0);
}
}