N:=14;
M:=6;
TR:=MAX(MAX(HIGH-LOW,ABS(HIGH-REF(CLOSE,1))),ABS(LOW-REF(CLOSE,1)));
ATR:=MA(TR,N);
HD:=HIGH-REF(HIGH,1);
LD:=REF(LOW,1)-LOW;
DMP:=SUM(IF(HD>0 AND HD>LD,HD,0),N);
DMM:=SUM(IF(LD>0 AND LD>HD,LD,0),N);
PDI:=DMP*100/ATR;
MDI:=DMM*100/ATR;
ADX:=MA(ABS(MDI-PDI)/(MDI+PDI)*100,M);
ADXR:=(ADX+REF(ADX,M))/2;
DRAWTEXT(CROSS(PDI,MDI) AND ADX>ADXR, LOW*0.98, '买'), COLORRED;
DRAWTEXT(CROSS(MDI,PDI) AND ADX>ADXR, HIGH*1.02, '卖'), COLORGREEN;
