MT的KDJ指标怎么吧J线给删除掉啊？这是源代码，请高手帮修改一下。 //+------------------------------------------------------------------+ //| KDJ.mq4 | //| Copyright ?2005, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "Copyright ?2005, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" #property indicator_separate_window #property indicator_buffers 3 #property indicator_color1 Red #property indicator_color2 Yellow #property indicator_color3 Magenta //Aqua //---- input parameters extern int KPeriod=9; extern int DPeriod=3; extern int JPeriod=3; double ind_buffer1; double ind_buffer2; double ind_buffer3; double ind_buffer4; double HighesBuffer; double LowesBuffer; int draw_begin1=0; int draw_begin2=0; //+------------------------------------------------------------------+ //| expert initialization function | //+------------------------------------------------------------------+ int init() { string short_name; //---- 2 additional buffers are used for counting. IndicatorBuffers(6); SetIndexBuffer(4, HighesBuffer); SetIndexBuffer(5, LowesBuffer); SetIndexBuffer(3, ind_buffer1); //---- indicator lines SetIndexStyle(0,DRAW_LINE); SetIndexBuffer(0, ind_buffer2); SetIndexStyle(1,DRAW_LINE); SetIndexBuffer(1, ind_buffer3); SetIndexStyle(2,DRAW_LINE); SetIndexBuffer(2, ind_buffer4); //---- name for DataWindow and indicator subwindow label IndicatorShortName("KDJ("+KPeriod+","+DPeriod+","+JPeriod+")"); SetIndexLabel(1,"K"); SetIndexLabel(2,"D"); SetIndexLabel(3,"J"); //---- draw_begin1=KPeriod+JPeriod; draw_begin2=draw_begin1+DPeriod; SetIndexDrawBegin(0,draw_begin1); SetIndexDrawBegin(1,draw_begin2); return(0); } //+------------------------------------------------------------------+ //| expert deinitialization function | //+------------------------------------------------------------------+ int start() { int i,k; int counted_bars=IndicatorCounted(); double price; //---- if(Bars<=draw_begin2) return(0); //---- initial zero if(counted_bars<1) { for(i=1;i<=draw_begin1;i++) ind_buffer1[Bars-i]=0; for(i=1;i<=draw_begin2;i++) ind_buffer2[Bars-i]=0; } //---- minimums counting i=Bars-KPeriod; if(counted_bars>KPeriod) i=Bars-counted_bars-1; while(i>=0) { double min=1000000; k=i+KPeriod-1; while(k>=i) { price=Low[k]; if(min>price) min=price; k--; } LowesBuffer=min; i--; } //---- maximums counting i=Bars-KPeriod; if(counted_bars>KPeriod) i=Bars-counted_bars-1; while(i>=0) { double max=-1000000; k=i+KPeriod-1; while(k>=i) { price=High[k]; if(maxdraw_begin1) i=Bars-counted_bars-1; while(i>=0) { double sumlow=0.0; double sumhigh=0.0; for(k=(i+JPeriod-1);k>=i;k--) { sumlow+=Close[k]-LowesBuffer[k]; sumhigh+=HighesBuffer[k]-LowesBuffer[k]; } if(sumhigh==0.0) ind_buffer1=100.0; else ind_buffer1=sumlow/sumhigh*100; i--; } //---- last counted bar will be recounted if(counted_bars>0) counted_bars--; int limit=Bars-counted_bars; //---- signal line is simple movimg average for(i=0; i