macond:=ma5<ma20 and ma10<ma20;
ccond:= c>ma5 and c>ma10;
mkcond:= c<ma5 and c<ma10;
if macond and ref(ccond,1) and mkcond then buyshort(holding=0,1,thisclose);
if c>ma5 and enterbars>1 then sellshort(holding<0,0,thisclose);
加一个条件
vacond:=ma20<ma30<ma60;
给k线变色可以查看五彩k线公式