1. 先设置选股公式：
参数（记得填写参数啊！）
n 2.00 90.00 9.00
m1 2.00 30.00 3.00
m2 2.00 30.00 3.00
源码：
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:SMA(RSV,3,1),LINETHICK1;
D:SMA(K,3,1),LINETHICK1;
J:3*K-2*D,COLORFF00FF,LINETHICK1;
IF(J<0,J,DRAWNULL),COLORGREEN,LINETHICK2;
IF(K>90,K,DRAWNULL),COLOR0000FF,LINETHICK2;
IF(D>85,D,DRAWNULL),COLORFFFF11,LINETHICK2;
DRAWICON(CROSS(J,1),J,1);
DRAWICON(K>80 AND D>80 AND CROSS(D,K),D,2);
