给新人的操作主图~~~布林再次优化~加入倍量和买点的提示！~源码~请勿差评~

MA5:MA(C,5);
N:=20;  
MIDA:=MA(C,N);  
ART1:=POW((C-MIDA),2); 
ART2:=MA(ART1,N); 
ART3:=SQRT(ART2); 
UPPERA:=MIDA+2*ART3; 
LOWERA:=MIDA-2*ART3; 
BOLL:REF(MIDA,1); 
UB:REF(UPPERA,1); 
LB:REF(LOWERA,1);
XG1:=V/REF(V,1)>=2 AND CROSS(C,BOLL);
XG2:=UB/H<1.005 AND C<MA(C,5);
DRAWTEXT(XG1,L*0.98,'买'),COLORRED;
DRAWTEXT(XG2,H*1.02,'卖'),COLORGREEN;

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