源码
Var2:=(CLOSE-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34))*100 ;
火龙: SMA(Var2,3,1),colorred;
Var3:=(2*CLOSE+HIGH+LOW)/4 ;
Var4:=LLV(LOW,34) ;
Var5:=HHV(HIGH,34) ;
青龙: EMA((Var3-Var4)/(Var5-Var4)*100,13) ,COLOR66FF00;
DRAWTEXT(CROSS(火龙,青龙) AND 火龙<34 AND FILTER(CROSS(火龙,青龙) AND 火龙<20,5),火龙,"△"),colorred;
DRAWTEXT(CROSS(青龙,火龙) AND 青龙>64 AND FILTER(CROSS(青龙,火龙) AND 青龙>50,10),青龙,"☆"),colorgreen;