杨文峰老师源码：
DIF1:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA1:=EMA(DIF1,9);
MACD1:=(DIF1-DEA1)*2,COLORSTICK;
STICKLINE(MACD1>REF(MACD1,1) AND MACD1>0,0,MACD1,0,0),COLORRED;
STICKLINE(MACD1<=REF(MACD1,1) AND MACD1>0,0,MACD1,0,0),COLORYELLOW;
STICKLINE(MACD1<REF(MACD1,1) AND MACD1<0,0,MACD1,0,0),COLORCYAN;
STICKLINE(MACD1>=REF(MACD1,1) AND MACD1<0,0,MACD1,0,0),COLORMAGENTA;
STICKLINE(C>0,0,0,50,1),COLORBLUE;
DIF1,COLORGREEN;
DEA1,COLORYELLOW;
强:IF(DIF1>MA(DIF1,4),DIF1,DRAWNULL),COLORRED;
弱:IF(DEA1>MA(DEA1,4),DEA1,DRAWNULL),COLORMAGENTA;

俺也无聊，手痒随手做个选股器，大家分享。老师的东东木敢乱加料，各位末够味，自已偷偷加啦！
杨老师选股：
DIF1:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA1:=EMA(DIF1,9);
DEA:=EMA(DIF1,DEA1);
XD:CROSS(DIF1>DEA1,0.5),COLORYELLOW;