诚心请教
各位老师，知道了一根K线的时间，怎么获得这根K线布林带值？
mt5平台
在MT5中调用指标需要预先创建指标句柄,不能等到要用的时候再创建.
//+------------------------------------------------------------------+ //| test_GetBoll.mq5 | //| Copyright 2022,fxMeter | //| https://www.mql5.com/en/users/fxmeter | //+------------------------------------------------------------------+ #property copyright "Copyright 2022,fxMeter" #property link "https://www.mql5.com/en/users/fxmeter" #property version "1.00" int handle = -1; //+------------------------------------------------------------------+ //| Expert initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- handle = iBands(Symbol(),PERIOD_CURRENT,10,0,2.0,PRICE_CLOSE); if(handle==-1)return(INIT_FAILED); //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Expert deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { //--- } //+------------------------------------------------------------------+ //| Expert tick function | //+------------------------------------------------------------------+ void OnTick() { //--- double boll = 0.0; datetime t = iTime(Symbol(),PERIOD_CURRENT,0); if(!GetBoll(handle,t,UPPER_BAND,boll))//获取上轨数据失败 { return; } if(boll>0.0) { Comment(boll); } } //获取布林线 buffer: 0 - BASE_LINE, 1 - UPPER_BAND, 2 - LOWER_BAND bool GetBoll(int handlex,datetime t,int buffer,double &boll) { int shift = iBarShift(Symbol(),PERIOD_CURRENT,t); if(shift==-1)return(false); double tmp[1]; if(CopyBuffer(handlex,0,shift,buffer,tmp)!=1)return(false); boll = tmp[0]; return(true); } //+------------------------------------------------------------------+
非常感谢您对解答。如果我想获得开仓那根K线对应的布林带上轨值，该怎么编写呢？
