/// <summary>
/// 获取股指期货交易费用
/// </summary>
/// <param name="request">股指期货委托</param>
/// <returns>股指期货交易费用结果</returns>
public static QHCostResult ComputeGZQHCost(StockIndexFuturesOrderRequest request)
{
int?bc = MCService.CommonPara.GetBreedClassIdByCommodityCode(request.Code);
QHCostResult result = null;
if (!bc.HasValue)
{
return(result);
}
int breedClassID = bc.Value;
QH_FutureCosts cost = MCService.FuturesTradeRules.GetFutureCostsByBreedClassID(breedClassID);
if (cost == null)
{
return(null);
}
try
{
result = InternalComputeGZQHCost(request, cost);
}
catch (Exception ex)
{
string errCode = "GT-1703";
string errMsg = "无法获取股指期货货交易费用。";
VTException exception = new VTException(errCode, errMsg, ex);
LogHelper.WriteError(exception.ToString(), exception);
throw exception;
}
return(result);
}
/// <summary>
/// 获取股指期货交易费用的实际方法，目前使用商品期货的计算方法
/// </summary>
/// <param name="request">股指期货委托</param>
/// <param name="cost">费用实体</param>
/// <returns>股指期货交易费用结果</returns>
private static QHCostResult InternalComputeGZQHCost(StockIndexFuturesOrderRequest request, QH_FutureCosts cost)
{
QHCostResult result = new QHCostResult();
//result.Code = result.Code;
result.Code = request.Code;
decimal orderPrice = (decimal)request.OrderPrice;
//期货合约乘数300
decimal scale = MCService.GetTradeUnitScale(request.Code, request.OrderUnitType);
//以计价单位计算的委托量
var orderAmount = (decimal)request.OrderAmount * scale;
//成交额
var dealAmount = orderPrice * orderAmount;
decimal cosing = 0;
//按类型计算比例
switch ((Types.FutrueCostType)Enum.Parse(typeof(Types.FutrueCostType), cost.CostType.ToString()))
{
case Types.FutrueCostType.TradeUnitCharge:
//与量有关的都是撮合单位，所以这里不用再把委托量*转换比例
//为了不改上面的代码这里直接再把原来转了的值再除
orderAmount = (decimal)orderAmount / scale;
cosing = orderAmount * cost.TurnoverRateOfServiceCharge;
break;
case Types.FutrueCostType.TurnoverRateOfSerCha:
//比例
decimal cosingScale = cost.TurnoverRateOfServiceCharge / 100;
cosing = dealAmount * cosingScale;
break;
}
cosing = Utils.Round(cosing);
#region old code
//decimal tradeVal = 0;
////成交单位比率
//if (cost.TradeUnitCharge.HasValue)
//{
// decimal trade = cost.TradeUnitCharge.Value / 100;
// tradeVal = orderAmount * trade;
// tradeVal = Utils.Round(tradeVal);
//}
//decimal turnVal = 0;
////成交金额比率
//if (cost.TurnoverRateOfServiceCharge.HasValue)
//{
// decimal turn = cost.TurnoverRateOfServiceCharge.Value / 100;
// turnVal = turn * dealAmount;
// turnVal = Utils.Round(turnVal);
//}
//result.Cosing = tradeVal + turnVal;
#endregion
result.Cosing = cosing;
string format = "股指期货费用计算[代码={0},价格={1},数量={2},单位={3},方向={4},合约乘数={5},股指期货交易费用类型={6},费用比率={7}]";
string desc = string.Format(format, request.Code, request.OrderPrice, request.OrderAmount,
request.OrderUnitType, request.BuySell, scale
, cost.CostType + "--" + (cost.CostType == (int)Types.FutrueCostType.TradeUnitCharge ? "按成交量" : "按成交额")
, cost.TurnoverRateOfServiceCharge);
LogHelper.WriteDebug(desc + result);
return(result);
}