//------------------------------------------------------------------------

Params

   Numeric FastLengthMA(20);// 短期指数平均线参数

   //Numeric SlowLengthMA(20);// 长期指数平均线参数

   Numeric FastLength(12);

   Numeric SlowLength(26);

   Numeric MACDLength(9);

Vars

   Series<Numeric> AvgValue1;

   Series<Numeric> AvgValue2;

   Series<Numeric> MACDDiff;

    Series<Numeric> AvgMACD;

    Series<Numeric> MACDValue;

   Series<Numeric> Fast_ma;

   Series<Numeric> Slow_ma;

   Plot pen1;

   Plot pen2;

Events

   OnReady()

   {

       SetBackBarMaxCount(1+Max(FastLength,SlowLength));

       Range[0:DataSourceSize() - 1]

       {

           setPlotOption("MA1", "begin-bar", FastLengthMA);

           //setPlotOption("MA2", "begin-bar", SlowLengthMA);

           setPlotOption("MACDDiff", "begin-bar", SlowLength);

           setPlotOption("MACDDEA", "begin-bar", SlowLength + MACDLength);

           setPlotOption("MACD", "begin-bar", SlowLength + MACDLength);

       }

        pen2.figure(0);  //开个副图

   }

   OnBar(ArrayRef<Integer> indexs)

   {

       AvgValue1 = AverageFC(Close,FastLengthMA);

      // AvgValue2 = AverageFC(Close,SlowLengthMA);

       PlotNumeric("MA1",AvgValue1);

      // PlotNumeric("MA2",AvgValue2);              

       {

          If(CurrentBar==0)

          {Fast_ma=Close;

              Slow_ma=Close;

              MACDDiff=Fast_ma-Slow_ma;

              AvgMACD=MACDDiff;              

          } Else

          {

           Fast_ma=Fast_ma[1]+(Close-Fast_ma[1])*2/(FastLength+1);

           Slow_ma=Slow_ma[1]+(Close-Slow_ma[1])*2/(SlowLength+1);

           MACDDiff=Fast_ma-Slow_ma;

              AvgMACD=AvgMACD[1]+(MACDDiff-AvgMACD[1])*2/(MACDLength+1);

              AvgMACD=AvgMACD[1]+(Fast_ma-Slow_ma-AvgMACD[1])*2/(MACDLength+1);

          }

          pen2.line("MACDDiff",date+time,MACDDiff);//画出MACD的两条均线

          pen2.Line("macddea",date+time,AvgMACD);

          Numeric X;

          X=((FastLength+1)*(SlowLength+1)*((AvgMACD[1]*(MACDLength+1)-2*(AvgMACD[1]))/(MACDLength-1)-Fast_ma[1]+Slow_ma[1])/2+(SlowLength+1)*Fast_ma[1]-(FastLength+1)*Slow_ma[1])/(SlowLength-FastLength);

          pen1.line("X",X);

          MACDValue = MACDDiff - AvgMACD;