原码如下，想把KDJ的显示符号改成箭头，谢谢了。 //+------------------------------------------------------------------+ //| 4_signals.mq4 Ver. 1.0 | //| KDJ(5,3,3)、RSI(14)、MACD(12,26,9)，及EMA10&EMA20交叉信号。 | //| 偶然帅 | //| [email protected] | //| Feb. 2, 2007 | //| | //|Feb. 19, 2007 将取某个bar的函数iHigh等改成High，语句变得更简洁。| //|Feb. 26, 2007 增加语音报警功能。 | //+------------------------------------------------------------------+ #property copyright "偶然帅" #property indicator_chart_window #property indicator_buffers 8 #property indicator_color1 Aqua // 四组信号的颜色；看多为蓝色，看空为红色 #property indicator_color2 Aqua #property indicator_color3 Aqua #property indicator_color4 Aqua #property indicator_color5 Aqua #property indicator_color6 Aqua #property indicator_color7 Aqua #property indicator_color8 Aqua extern bool show_RSI = true; // 可以选择显示四种信号中的一种或几种 extern bool show_MACD = true; extern bool show_EMA = false; extern bool show_KDJ = true; extern bool sound_alert = true; // 语音报警开关；默认为开 //---- buffers double ExtMapBuffer1; // 显示箭头用的缓冲区 double ExtMapBuffer2; double ExtMapBuffer3; double ExtMapBuffer4; double ExtMapBuffer5; double ExtMapBuffer6; double ExtMapBuffer7; double ExtMapBuffer8; int mark_RSI=0; int mark_MACD=0; int mark_EMA=0; int mark_KDJ=0; //+------------------------------------------------------------------+ //| 箭头初始化代码 | //+------------------------------------------------------------------+ int init(){ SetIndexStyle(0,DRAW_ARROW); // RSI信号用圆圈表示 SetIndexBuffer(0,ExtMapBuffer1); SetIndexArrow(0,162); SetIndexStyle(1,DRAW_ARROW); SetIndexBuffer(1,ExtMapBuffer2); SetIndexArrow(1,162); SetIndexStyle(2,DRAW_ARROW); // MACD信号用圆点表示 SetIndexBuffer(2,ExtMapBuffer3); SetIndexArrow(2,108); SetIndexStyle(3,DRAW_ARROW); SetIndexBuffer(3,ExtMapBuffer4); SetIndexArrow(3,108); SetIndexStyle(4,DRAW_ARROW); // EMA交叉信号用箭头表示 SetIndexBuffer(4,ExtMapBuffer5); SetIndexArrow(4,233); SetIndexStyle(5,DRAW_ARROW); SetIndexBuffer(5,ExtMapBuffer6); SetIndexArrow(5,234); SetIndexStyle(6,DRAW_ARROW); // KDJ交叉信号用炸弹表示 SetIndexBuffer(6,ExtMapBuffer7); SetIndexArrow(6,77); SetIndexStyle(7,DRAW_ARROW); SetIndexBuffer(7,ExtMapBuffer8); SetIndexArrow(7,77); return(0); } //+------------------------------------------------------------------+ //| 箭头反初始化代码 | //+------------------------------------------------------------------+ int deinit(){ return(0); } //+------------------------------------------------------------------+ //| 计算显示箭头的条件 | //+------------------------------------------------------------------+ int start(){ datetime t; int i, j; int shift; double ema10, ema20, ema_diff, prv_ema_diff, pos, pos_adjust; // 10均线 20均线 均线差 前一bar的均线差 箭头位置 箭头位置调节值 double macd_diff, prv_macd_diff, rsi, prv_rsi, kdj, kdj_diff, prv_kdj_diff; pos_adjust = 100*Point; // 根据不同的时间框架确定信号显示的位置。主要是为了美观 if(Period()==1) pos_adjust = 1*Point; if(Period()==5) pos_adjust = 3*Point; if(Period()==15) pos_adjust = 8*Point; if(Period()==30) pos_adjust = 10*Point; if(Period()==60) pos_adjust = 13*Point; if(Period()==240) pos_adjust = 20*Point; if(Period()==1440) pos_adjust = 50*Point; shift=Bars; prv_rsi = -1; prv_macd_diff = -1; prv_ema_diff = -1; prv_kdj_diff = -1; for(j=shift-1;j>=0;j--){ // 从缓冲区中左起第二个bar开始显示，一直显示到右起第一个bar。 // 右起第一个bar的信号出现后，可能会消失；右起第二个bar以前的信号不变 ExtMapBuffer1[j]=0; ExtMapBuffer2[j]=0; ExtMapBuffer3[j]=0; ExtMapBuffer4[j]=0; ExtMapBuffer5[j]=0; ExtMapBuffer6[j]=0; ExtMapBuffer7[j]=0; ExtMapBuffer8[j]=0; rsi = iRSI( NULL, 0, 14, PRICE_CLOSE, j); // 计算各信号的值 macd_diff = iMACD( NULL, 0, 12, 26, 9, PRICE_CLOSE, MODE_MAIN, j) - iMACD( NULL, 0, 12, 26, 9, PRICE_CLOSE, MODE_SIGNAL, j); ema10 = iMA(NULL,0,10,0,MODE_EMA,PRICE_CLOSE,j); ema20 = iMA(NULL,0,20,0,MODE_EMA,PRICE_CLOSE,j); ema_diff = ema10 - ema20; kdj = iStochastic(NULL, 0, 5, 3, 3, MODE_SMA, 0, MODE_MAIN, j); kdj_diff = iStochastic(NULL, 0, 5, 3, 3, MODE_SMA, 0, MODE_MAIN, j) - iStochastic(NULL, 0, 5, 3, 3, MODE_SMA, 0, MODE_SIGNAL, j); if(prv_ema_diff != -1){ // 如果不是负一，则说明是左起第二个bar if(prv_rsi <= 30 && rsi >= 30 && show_RSI){ // RSI上穿30 ExtMapBuffer1[j] = Low[j] - pos_adjust; // 将信号显示在价格Bar下方 if(j==0 && mark_RSI!=1) {PlaySound("alert");mark_RSI=1;} } if(prv_rsi >= 70 && rsi <= 70 && show_RSI){ // RSI下穿70 ExtMapBuffer2[j] = High[j] + pos_adjust; // 将信号显示在价格Bar上方 if(j==0 && mark_RSI!=2) {PlaySound("alert");mark_RSI=2;} } if(macd_diff >= 0 && prv_macd_diff <=0 && show_MACD){ // MACD均线差值上穿 均线差值的均线 ExtMapBuffer3[j] = Low[j] - pos_adjust*0.8; if(j==0 && mark_MACD!=1) {PlaySound("alert");mark_MACD=1;} } if(macd_diff <= 0 && prv_macd_diff >=0 && show_MACD){ // MACD均线差值下穿 均线差值的均线 ExtMapBuffer4[j] = High[j] + pos_adjust*0.8; if(j==0 && mark_MACD!=2) {PlaySound("alert");mark_MACD=2;} } if(ema_diff >= 0 && prv_ema_diff <= 0 && show_EMA){ // 10EMA上叉20EMA ExtMapBuffer5[j] = Low[j] - pos_adjust*0.5; if(j==0 && mark_EMA!=1) {PlaySound("alert");mark_EMA=1;} } if(ema_diff <= 0 && prv_ema_diff >= 0 && show_EMA){ // 10EMA下叉20EMA ExtMapBuffer6[j] = High[j] + pos_adjust*0.5; if(j==0 && mark_EMA!=2) {PlaySound("alert");mark_EMA=2;} } if(kdj_diff >= 0 && prv_kdj_diff <= 0 && kdj<25 && show_KDJ){ // KDJ快线向慢线上方交叉 ExtMapBuffer7[j] = Low[j] - pos_adjust*0.2; if(j==0 && mark_KDJ!=1) {PlaySound("alert");mark_KDJ=1;} } if(kdj_diff <= 0 && prv_kdj_diff >= 0 && kdj>75 && show_KDJ){ // KDJ快线向慢线下方交叉 ExtMapBuffer8[j] = High[j] + pos_adjust*0.2; if(j==0 && mark_KDJ!=2) {PlaySound("alert");mark_KDJ=2;} } } // end of if(prv_ema prv_rsi = rsi; prv_macd_diff = macd_diff; prv_ema_diff = ema_diff; prv_kdj_diff = kdj_diff; } // end of for(i=0 return(0); } //+------------------------------------------------------------------+