将上下三背离指标箭头改成选股

编写要求：

158马约A:=MA(CLOSE,17)+ABS(MA(CLOSE,17)-REF(MA(CLOSE,17),1));B:=MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1);分水岭:IF(MA(CLOSE,17)REF(PM,1),PM,DRAWNULL),COLORRED,LINETHICK2;IF(PM=REF(PM,1),PM,DRAWNULL),COLORRED;IF(PM操作线);DD:=分水岭C AND REF("MACD.DIF",A1+1)<"MACD.DIF" AND CROSS("MACD.DIF","MACD.DEA");DRAWTEXT(B1>0,L-0.02,'★M'),COLOR00FFFF;{MACD底背离} A2:=BARSLAST(REF(CROSS("KDJ.K","KDJ.D"),1));B2:=REF(C,A2+1)>C AND REF("KDJ.K",A2+1)<"KDJ.K" AND CROSS("KDJ.K","KDJ.D");DRAWTEXT(B2,L-0.10,'◎K'),COLORFF00FF;{KDJ底背离}A3:=BARSLAST(REF(CROSS("RSI.RSI1","RSI.RSI2"),1));B3:=REF(C,A3+1)>C AND REF("RSI.RSI1",A3+1)<"RSI.RSI1" AND CROSS("RSI.RSI1","RSI.RSI2");DRAWTEXT(B3>0,L-0.18,'◆R'),COLOR0000FF;{RSI底背离}C1:=BARSLAST(REF(CROSS("MACD.DEA","MACD.DIF"),1));D1:=REF(C,C1+1)"MACD.DIF" AND CROSS("MACD.DEA","MACD.DIF");DRAWTEXT(D1>0,H+0.16,'★M'),COLOR00FF00;{MACD顶背离}C2:=BARSLAST(REF(CROSS("KDJ.D","KDJ.K"),1));D2:=REF(C,C2+1)"KDJ.K" AND CROSS("KDJ.D","KDJ.K");DRAWTEXT(D2>0,H+0.08,'◎K'),COLORFFFFCC;{KDJ顶背离} C3:=BARSLAST(REF(CROSS("RSI.RSI2","RSI.RSI1"),1));D3:=REF(C,C3+1)"RSI.RSI1" AND CROSS("RSI.RSI2","RSI.RSI1");DRAWTEXT(D3>0,H+0.04,'◆R'),COLORFF9900;{RSI顶背离};

解答：

 B:=MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1);