主题：请问版主这个程序怎么实现

macd_60:=stkindi('','macd.macd1',0,5);

macd_120:=stkindi('','macd.macd1',0,21,120);

macd_5:=stkindi('','macd.macd1',0,2);

macd_diff:=stkindi('','macd.diff',0,2);

macd_dea:=stkindi('','macd.dea',0,2);

if macd_60<0 and macd_120<0 and macd_5<0 and (cross(macd_diff,macd_dea) or cross(macd_dea,macd_diff)) then buyshort(holding=0,1,market);

if macd_60<0 and macd_120<0 and macd_5>0 and (cross(macd_diff,macd_dea) or cross(macd_dea,macd_diff)) then sellshort(1,1,market);