双线区间绘图工具源码-支撑压力

A:=1; DF:=EMA(CLOSE,12)-EMA(CLOSE,26); DE:=EMA(DF,9); XC:=CROSS(DF,DE); XC2:=CROSSDOWN(DF,DE); T1:=BARSLAST(XC)+1; T2:=BARSLAST(XC2)+1; LB:=LLV(C,T2); HB:=HHV(C,T1); PARTLINE(XC&&T2>A,LB,COLORMAGENTA),LINETHICK2; PARTLINE(XC2&&T1>A,HB,COLORYELLOW),LINETHICK2; DL:=IF(XC,LB,NULL); HL:=IF(XC2,HB,NULL); M1:=CROSS(BACKSET(XC,REF(LLVBARS(C,T2),1)+2),0.5),ICON(1,'ICO1'); M2:=CROSS(BACKSET(XC2,REF(HHVBARS(C,T1),1)+2),0.5),ICON(1,'ICO1'); DRAWSL(M1,VALUEWHEN(XC,DL),0,-BARSLAST(XC),0,COLORRED); DRAWSL(M2,VALUEWHEN(XC2,HL),0,-BARSLAST(XC2),0,COLORYELLOW); DRAWSL(XC,DL,0,-REF(LLVBARS(C,T2),1)-1,0,COLORRED); DRAWSL(XC2,HL,0,-REF(HHVBARS(C,T1),1)-1,0,COLORYELLOW); DRAWTEXT(XC,DL,'底'),COLORRED,ALIGN1,FONTSIZE20; DRAWTEXT(XC2,HL,'顶'),COLORYELLOW,ALIGN1,FONTSIZE20; XP:=VALUEWHEN(XC,L); YP:=VALUEWHEN(XC2,H); DRAWNUMBER(XC,C-(YP-XP)*0.015,YP-XP,2,COLORGREEN); DRAWNUMBER(XC2,C+(YP-XP)*0.015,YP-XP,2,COLORMAGENTA),FONTSIZE10; S1:=XC; DRAWTEXT(S1,L*0.998,'b'),COLORRED,FONTSIZE16,ALIGN1,VALIGN0; S2:=XC2;

 DRAWTEXT(S2,H*1.002,'s'),COLORGREEN,FONTSIZE16,ALIGN1,VALIGN2;

给我个在看再走好吗？