[求助老师你好 (文华财经WH6赢顺V6.7)

参考：

RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
//BACKGROUNDSTYLE(1);
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
DRAWSL(CROSS(J,100),H,0,10,0,COLORRED);
DRAWSL(CROSSDOWN(J,0),L,0,10,0,COLORGREEN);