CC:=IF(WEEKDAY=5,C,DRAWNULL); DIFF:(EMA(CC,12)-EMA(CC,26))/EMA(CC,26); DEAA:=EMA(DIFF,9),COLORYELLOW;黄金阶梯:STICKLINE(DEAA>REF(DEAA,1) AND DIFF>DEAA,DIFF,DEAA,5,0),COLORYELLOW;