MetaTrader编程入门教程

//平仓持有的买单
void CloseBuy()
{
  if (OrdersTotal( )  > 0 )  
  {
    for(i=OrdersTotal()-1;i<0;i++)
    {
     if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)        break;
     if(OrderType()==OP_BUY)
     {
      OrderClose(OrderTicket(),OrderLots(),Bid,3,White);
      Sleep(5000);
     }
    }
  }
}
//平仓持有的卖单
void CloseSell()
{
  if (OrdersTotal( )  > 0 )  
  {
    for(i=OrdersTotal()-1;i<0;i++)
    {
     if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)        break;
     if(OrderType()==OP_SELL)
      {
       OrderClose(OrderTicket(),OrderLots(),Ask,3,White);
       Sleep(5000);
       }
    }
  }
}
//判断是否买或卖或平仓
int buyorsell()   //在这个函数计算设置你的交易信号
  {
   double MacdCurrent, MacdPrevious, SignalCurrent;
   double SignalPrevious, MaCurrent, MaPrevious;
   MacdCurrent=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,0);
   MacdPrevious=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,1);
   SignalCurrent=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,0);
   SignalPrevious=iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,1);
   MaCurrent=iMA(NULL,0,MATrendPeriod,0,MODE_EMA,PRICE_CLOSE,0);
   MaPrevious=iMA(NULL,0,MATrendPeriod,0,MODE_EMA,PRICE_CLOSE,1);
 if(MacdCurrent<0 && MacdCurrent>SignalCurrent && MacdPrevious      &&  MaCurrent>MaPrevious)
   return (1); // 买  Ma在上升，Macd在0线上，并且两线上交叉
 if(MacdCurrent>0 && MacdCurrentSignalPrevious
       && MaCurrent    return (-1);  // 卖
 return (0); //不交易
}
int nowbuyorsell = 0;
void CheckForOpen()
{
 if (Time[0] == lasttime ) return; //每时间周期检查一次
 lasttime = Time[0];
 nowbuyorsell = buyorsell(); //获取买卖信号
 
 if (nowbuyorsell == 1) //买　先结束已卖的
     CloseSell();
 if (nowbuyorsell == -1) //卖　先结束已买的
      CloseBuy();
  if (TimeDayOfWeek(CurTime()) == 1)
   {
    if (TimeHour(CurTime()) < 3 ) return; //周一早8点前不做
   }
  if (TimeDayOfWeek(CurTime()) == 5)
   {
     if (TimeHour(CurTime()) > 19 ) return; //周五晚11点后不做
    }
 

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