参考:
PL10:=ZIGZAG(C,7,1);
EN2:=PL10>REF(PL10,1) AND REF(PL10,1)<=REF(PL10,2) AND REF(PL10,2)<=REF(PL10,3);
EX2:=PL10<REF(PL10,1) AND REF(PL10,1)>=REF(PL10,2) AND REF(PL10,2)>=REF(PL10,3);
DRAWTEXT((EX2),H*1.0085,'卖出');
DRAWTEXT((EN2),L*0.995,'买入');
DRAWSL(EN2,REF(L,SUMBARS(EN2,2)),0,-SUMBARS(EN2,2),0,COLORRED),LINETHICK2;
DRAWSL(EX2,REF(H,SUMBARS(EX2,2)),0,-SUMBARS(EX2,2),0,COLORGREEN),LINETHICK2;
DRAWSL(ISLASTBAR,REF(L,SUMBARS(EN2,1)),0,-SUMBARS(EN2,1),0,COLORRED),LINETHICK2;
DRAWSL(ISLASTBAR,REF(H,SUMBARS(EX2,1)),0,-SUMBARS(EX2,1),0,COLORGREEN),LINETHICK2;
PL20:=ZIGZAG(C,20,1);
EN3:=PL20>REF(PL20,1) AND REF(PL20,1)<=REF(PL20,2) AND REF(PL20,2)<=REF(PL20,3);
EX3:=PL20<REF(PL20,1) AND REF(PL20,1)>=REF(PL20,2) AND REF(PL20,2)>=REF(PL20,3);
DRAWTEXT(EN3,L*0.98,'★【买】',20),COLORMAGENTA,LINETHICK2;
DRAWTEXT(EX3,H*1.02,'★【卖】',20),COLORYELLOW,LINETHICK2;