编写要求：

DIFF:EMA(CLOSE,12)-EMA(CLOSE,27); DEA:EMA(DIFF,9); MACD:2*(DIFF-DEA), COLORSTICK,LINETHICK2; 低位金叉:=CROSS(DIFF,DEA) AND DIFF<-0.1; STICKLINE(低位金叉,0,0.08,6,0),COLORYELLOW; DRAWTEXT(低位金叉,0.16,' 低位金叉'),COLORWHITE; JCCOUNT:=COUNT(CROSS(DIFF,DEA),BARSLAST(DEA>=0)); 二次金叉:=CROSS(DIFF,DEA) AND DEA<0 AND COUNT(JCCOUNT=2,21)=1; STICKLINE(二次金叉,0,0.06,6,0),COLORFF00FF; DRAWICON(二次金叉,DEA*0.9,1) ; DRAWTEXT(二次金叉,0.2,' 二次金叉'),COLORYELLOW; A1:=BARSLAST(REF(CROSS(DIFF,DEA),1)); 底背离:=REF(CLOSE,A1+1)>CLOSE AND DIFF>REF(DIFF,A1+1) AND CROSS(DIFF,DEA); STICKLINE(底背离,0,0.03,6,0),COLOR00FF00; 底背:DRAWLINE(A1=0,DEA,底背离,DEA,0),COLORRED,LINETHICK4; DRAWTEXT(底背离 ,0.12,' 底背离'),COLORFF00FF; A2:=BARSLAST(REF(CROSS(DEA,DIFF),1)); 顶背离:=REF(CLOSE,A2+1)DIFF AND CROSS(DEA,DIFF); 顶背:DRAWLINE(A2=0,DEA,顶背离,DEA,0),COLORGREEN,LINETHICK4; DRAWTEXT(低位金叉 AND 二次金叉 AND 底背离,0.25,'三全项'),COLOR0000FF,LINETHICK2;

www.guhai.com.cn股海网解答：

 DIFF:=EMA(CLOSE,12)-EMA(CLOSE,27);