编写要求：
DIFF:EMA(CLOSE,7) - EMA(CLOSE,19);
DEA:EMA(DIFF,9);
MACD:2*(DIFF-DEA),COLORSTICK;
A1:=BARSLAST(REF(CROSS(DIFF,DEA),1));
B1:=REF(C,A1+1)>C AND REF(DIFF,A1+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));
C1:=BARSLAST(REF(CROSS(DEA,DIFF),1));
D1:=REF(C,C1+1)DIFF AND CROSS(DEA,DIFF);
C2:=BARSLAST(REF(CROSS("KDJ.D"(9,3,3),"KDJ.K"(9,3,3)),1));
D2:=REF(C,C2+1)"KDJ.K"(9,3,3) AND CROSS("KDJ.D"(9,3,3),"KDJ.K"(9,3,3));
C3:=BARSLAST(REF(CROSS("RSI.RSI2"(6,12,24),"RSI.RSI1"(6,12,24)),1));
D3:=REF(C,C3+1)"RSI.RSI1"(6,12,24) AND CROSS("RSI.RSI2"(6,12,24),"RSI.RSI1"(6,12,24));
MACD底背:IF(B1>0,-0.1,0),COLORRED,POINTDOT;
KDJ底背:IF(B2>0,-0.1,0),COLORFF00FF,POINTDOT;
RSI底背:IF(B3>0,-0.1,0),COLORYELLOW,POINTDOT;
MACD顶背:IF(D1>0,0.1,0),COLOR00FF00,POINTDOT;
KDJ顶背:IF(D2>0,0.1,0),COLORFFCC66,POINTDOT;
RSI顶背:IF(D3>0,0.1,0),COLORWHITE,POINTDOT;
STICKLINE(B1>0,-0.2,0,4,0),COLORRED;
STICKLINE(B2>0,-0.2,0,4,0),COLORFF00FF;
STICKLINE(B3>0,-0.2,0,4,0),COLORYELLOW;
STICKLINE(D1>0,0.2,0,4,0),COLOR00FF00;
STICKLINE(D2>0,0.2,0,4,0),COLORFFCC66;
STICKLINE(D3>0,0.2,0,4,0),COLORWHITE;
STICKLINE(MACD>REF(MACD,1) AND MACD>0,0,MACD,0,0),COLORRED;
STICKLINE(MACD<=REF(MACD,1) AND MACD>0,0,MACD,0,0),COLORYELLOW;
STICKLINE(MACD=REF(MACD,1) AND MACD<0,0,MACD,0,0),COLORMAGENTA;
STICKLINE(C>0,0,0,50,1),COLORBLUE;DIFF,COLORGREEN;DEA,COLORYELLOW;
PARTLINE(DIFF,DIFF>MA(DIFF,2),RGB(255,0,0),DIFFMA(DEA,2),RGB(255,0,0),DEALOW+0.01,1,-0);
解答：
?DIFF:EMA(CLOSE,7) - EMA(CLOSE,19);
DEA:EMA(DIFF,9);
