编写要求：
股票网解答：
网友求助：
B:ZIG(3,10)*100,colorff00ff;
g:MA(B,2),colorffff00;
D:CROSS(B,g)*1000,colorred;
W:CROSS(g,B)*1000,colorgreen;
DRAWTEXT(W=1000,b*1.05,'卖' ),COLOR00ff00;
DRAWTEXT(D=1000,b*1.05,'买'),colorred;
解答如下：
B:ZIG(3,10);
g:MA(B,2);
D:CROSS(B,g)；