日圖K線交易系統

//+------------------------------------------------------------------+
//|                                                         0307.mq4 |
//|                                                            cuiyi |
//|                                                1010333562@qq.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2017,CuiYi"
#property link      "1010333562@qq.com"
#property version   "1.00"
#property strict
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
//----------- 外部變量 --------------

extern int MagicNumber = 123;

//----------- 計算現時倉位大小 ----------------------------

int CalculateCurrentOrder(string symbol)
	{
	int buys=0,sells=0;
	for(int i=0;i<OrdersTotal();i=i+1)
		{
		if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)	break;
		if(OrderSymbol()==Symbol()&&OrderMagicNumber()==MagicNumber)
			{
			if(OrderType()==OP_BUY) 	buys++;
			if(OrderType()==OP_SELL)	sells++;
			}
		}
	if(buys>0)	return(buys);
	else		return(-sells);
	}


//--------------- 開倉條件 ------------------------------

void CheckForOpen()
	{
	double P1,P2,P3,P4,P5,Lot;
	int res;
	
	P1=iOpen(Symbol(),1440,1);
	P2=iClose(Symbol(),1440,1);
	P3=Ask;
	P4=iLow(Symbol(),1440,1);
	P5=iHigh(Symbol(),1440,1);
	Lot = NormalizeDouble(AccountBalance()/15000.0,2);
	
	if(P3>P4 && P2>P1 && (P2-P1)>(Ask-Bid)*10)
		{
		res=OrderSend(Symbol(),OP_BUY,Lot,Ask,3,0,0,"",MagicNumber,0,Blue);
		return;
		}
	
	if(P3<P5 && P2<P1 && (P1-P2)>(Ask-Bid)*10)
		{
		res=OrderSend(Symbol(),OP_SELL,Lot,Bid,3,0,0,"",MagicNumber,0,Red);
		return;
		}
	}

//------------ 平倉條件 ---------------------------

void CheckForClose()
	{
	double P1,P2,P4,P3,P5,P6,P7,P8,Lot;
	
	P1=iClose(Symbol(),1440,1);
	P2=iLow(Symbol(),1440,1);
	P3=iLow(Symbol(),1440,2);
	P4=iHigh(Symbol(),1440,2);
	P7=iHigh(Symbol(),1440,1);
	P8=iClose(Symbol(),1440,2);
	P5=Bid;
	P6=Ask;
	
	
	Lot = NormalizeDouble(AccountBalance()/15000.0,2);

	for(int i=0;i<OrdersTotal();i++)
		{
		if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)	break;
		if(OrderMagicNumber()==MagicNumber || OrderSymbol()==Symbol())
			{
			if(OrderType()==OP_BUY)
				{
				if(P1<P3 || (P2-P5)>Point*300)	
					{
					if(!OrderClose(OrderTicket(),Lot,Bid,3,White))
						Print("OrderClose error ",GetLastError());
					}
				break;
				}
			
			if(OrderType()==OP_SELL)
				{
				if(P1>P4 || (P6-P7)>Point*300)
					{
					if(OrderClose(OrderTicket(),Lot,Ask,3,White))
						Print("OrderClose error ",GetLastError());
					}
				break;
				}
			}
		}
	}

//----------- 控制流 ----------------------

void start()
	{
	if(Bars<100 || IsTradeAllowed()==false) return;
	if(CalculateCurrentOrder(Symbol())==0) CheckForOpen();
	else CheckForClose();
	}