咨詢內容： 請老師幫修改個公式 //支撐壓力位
走勢線:ZIG(3,3);colorgreen,LINETHICK2;
G:=MA(走勢線,2);
DRAWTEXT(CROSS(走勢線,G),L,'買'),colorred;
DRAWTEXT(CROSS(G,走勢線),H,'賣' ),colorgreen;
支撐位:IF((走勢線-REF(走勢線,1))/REF(走勢線,1)*100>=0,
REF(走勢線,BARSLAST(CROSS((走勢線-REF(走勢線,1))/REF(走勢線,1)*100,0))+1),DRAWNULL),colorred,LINETHICK2;
阻力位:IF((走勢線-REF(走勢線,1))/REF(走勢線,1)*100<0,
REF(走勢線,BARSLAST(CROSS(0,(走勢線-REF(走勢線,1))/REF(走勢線,1)*100))+1),DRAWNULL),colorliblue,LINETHICK2;
買賣價格位:MA(C,3);
頭部:=PEAKBARS(3,3,1)=0;
底部:=TROUGHBARS(3,3,1)=0;
DRAWTEXT(頭部,H,'有阻力 '),colorgreen;
DRAWTEXT(底部,L,'有支撐 '),colorred;

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?來源:程序化99網（ www.weiqiv.net.cn ）

博易技術人員： //支撐壓力位
走勢線:ZIG(3,3);COLORGREEN,LINETHICK2;
G:=MA(走勢線,2);
DRAWTEXT(CROSS(走勢線,G),L,'買'),COLORRED;
DRAWTEXT(CROSS(G,走勢線),H,'賣' ),COLORGREEN;
支撐位:IF((走勢線-REF(走勢線,1))/REF(走勢線,1)*100>=0,
REF(走勢線,BARSLAST(CROSS((走勢線-REF(走勢線,1))/REF(走勢線,1)*100,0))+1),DRAWNULL),COLORRED,LINETHICK2;
阻力位:IF((走勢線-REF(走勢線,1))/REF(走勢線,1)*100<0,
REF(走勢線,BARSLAST(CROSS(0,(走勢線-REF(走勢線,1))/REF(走勢線,1)*100))+1),DRAWNULL),COLOR00FF00,LINETHICK2;
買賣價格位:MA(C,3);
頭部:=PEAKBARS(3,3,1)=0;
底部:=TROUGHBARS(3,3,1)=0;
DRAWTEXT(頭部,H,'有阻力 '),COLORGREEN;
DRAWTEXT(底部,L,'有支撐 '),COLORRED;
? 來源 程序化久久網