把文件中所有的 MODE_EMA，替换为 MODE_SMA 这样就可以了

源代码中有2个错误 sell=High+2*Point; buy=Low-2*Point; 已经修改 //+------------------------------------------------------------------+ //| 9J.mq4 | //+------------------------------------------------------------------+ //| 505068266 | //+------------------------------------------------------------------+ #property copyright "http:///sewenbin " #property link "[email protected]" #property indicator_chart_window #property indicator_buffers 2 #property indicator_color1 Blue #property indicator_color2 Red //---- buffers double buy,sell; extern int fast=5; extern int slow=10; double LastAlertTime=0; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { //---- indicators SetIndexStyle(0,DRAW_ARROW); SetIndexArrow(0,233); SetIndexBuffer(0,buy); SetIndexEmptyValue(0,0.0); SetIndexStyle(1,DRAW_ARROW); SetIndexArrow(1,234); SetIndexBuffer(1,sell); SetIndexEmptyValue(1,0.0); //---- return(0); } //+------------------------------------------------------------------+ //| Custor indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { //---- for (int i=Bars-1;i>=0;i--) { if ( ( iMA(NULL,0,fast,0,MODE_EMA,PRICE_CLOSE,i)iMA(NULL,0,slow,0,MODE_EMA,PRICE_CLOSE,i+1) ) ) { sell=High+2*Point; if (i==1 && LastAlertTime!=Time[0]) { Alert("Negative Cross"); LastAlertTime=Time[0]; } } if ( ( iMA(NULL,0,fast,0,MODE_EMA,PRICE_CLOSE,i)>iMA(NULL,0,slow,0,MODE_EMA,PRICE_CLOSE,i) && iMA(NULL,0,fast,0,MODE_EMA,PRICE_CLOSE,i+1)