波段交易文华财经指标（源码）
HH1:=IFELSE(H<REF(H,1)&&REF(H,1)<REF(H,2),REF(H,2),0);
LL1:=IFELSE(L>REF(L,1)&&REF(L,1)>REF(L,2),REF(L,2),0);
HH2:=VALUEWHEN(HH1>0,HH1);
LL2:=VALUEWHEN(LL1>0,LL1);
K1:=IFELSE(CLOSE>HH2,-3,IFELSE(CLOSE<LL2,1,0));
K2:=VALUEWHEN(K1<>0,K1);
G:=IFELSE(K2=1,HH2,LL2);
G1:=VALUEWHEN(ISLASTBAR,G);
DRAWNUMBER(L>0,G1,G1,0,COLORCYAN);
W1:=K2;
W2:=OPEN-CLOSE;
HT:=IFELSE(OPEN>CLOSE,OPEN,CLOSE);
LT:=IFELSE(OPEN<CLOSE,OPEN,CLOSE);
DRAWLINE(W1=1,HIGH,W1=1,HT,COLORCYAN);
DRAWLINE(W1=1,LOW,W1=1,LT,COLORCYAN);
DRAWLINE(W1=-3,HIGH,W1=-3,HT,COLORRED);
DRAWLINE(W1=-3,LOW,W1=-3,LT,COLORRED);
STICKLINE(W1>0,OPEN,CLOSE,COLORCYAN,1);
STICKLINE(W1<=0,OPEN,CLOSE,COLORRED,1);
STICKLINE(W2>0&&W1<=0,OPEN,CLOSE,COLORRED,0);
STICKLINE(W2>0&&W1>0,OPEN,CLOSE,COLORCYAN,0);
DRAWLINE(W1=1&&REF(W1,1)=1,G,W1=1&&REF(W1,1)=1,REF(G,1),COLORGREEN);
DRAWLINE(W1=-3&&REF(W1,1)=-3,G,W1=-3&&REF(W1,1)=-3,REF(G,1),COLORYELLOW);
DRAWSL(K2=1,G,0,1,0,COLORGREEN);
DRAWSL(K2=-3,G,0,1,0,COLORYELLOW);
