趋势顶底（源码）

趋势顶线:SMA(AMOUNT/VOL/100,13,1)*1.15,COLORYELLOW,LINETHICK3;
趋势底线:SMA(AMOUNT/VOL/100,13,1)*0.85,COLORRED,LINETHICK3;
{这部分是把一些经典指标的信号表示出来，没什么特别的}
DIFF:=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA:=EMA(DIFF,9);
A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
B1:=REF(C,A1+1)>C AND REF(DIFF,A1+1)<DIFF AND CROSS(DIFF,DEA);
A2:=BARSLAST(REF(CROSS("KDJ.K"(9,3,3),"KDJ.D"(9,3,3)),1));
B2:=REF(C,A2+1)>C AND REF("KDJ.K"(9,3,3),A2+1)<"KDJ.K"(9,3,3) AND CROSS
("KDJ.K"(9,3,3),"KDJ.D"(9,3,3));
A3:=BARSLAST(REF(CROSS("RSI.RSI1"(6,12,24),"RSI.RSI2"(6,12,24)),1));
B3:=REF(C,A3+1)>C AND REF("RSI.RSI1"(6,12,24),A3+1)<"RSI.RSI1"(6,12,24) AND CROSS
("RSI.RSI1"(6,12,24),"RSI.RSI2"(6,12,24));
DRAWICON(B1>0,L-0.20,5);
DRAWTEXT(B1,L-0.30,'MACD底背'),COLORWHITE;
DRAWICON(B2>0,L-0.20,4);
DRAWTEXT(B2,L-0.30,'KDJ底背'),COLORFF00FF;
DRAWICON(B3>0,L-0.20,3);
DRAWTEXT(B3,L-0.30,'RSI底背'),COLORYELLOW;