利用布林线上下加仓和锁仓

#property copyright Expert Advisor Builder
#property link      http://sufx.core.t3-ism.net/ExpertAdvisorBuilder/
extern int MagicNumber = 0;
extern bool SignalMail = False;
extern bool EachTickMode = {EachTickMode};
extern double Lots = {Lots};
extern int Slippage = {Slippage};
extern bool UseStopLoss = {UseStopLoss};
extern int StopLoss = {StopLoss};
extern bool UseTakeProfit = {UseTakeProfit};
extern int TakeProfit = {TakeProfit};
extern bool UseTrailingStop = {UseTrailingStop};
extern int TrailingStop = {TrailingStop};
int BarCount;
int Current;
bool TickCheck = False;
//+------------------------------------------------------------------+
//| expert initialization function                       |
//+------------------------------------------------------------------+
int init() {
   BarCount = Bars;
   if (EachTickMode) Current = 0; else Current = 1;
   return(0);
}
//+------------------------------------------------------------------+
//| expert deinitialization function                       |
//+------------------------------------------------------------------+
int deinit() {
   return(0);
}
//+------------------------------------------------------------------+
//| expert start function                             |
//+------------------------------------------------------------------+
int start() {
   int Order = SIGNAL_NONE;
   int Total, Ticket;
   double StopLossLevel, TakeProfitLevel;
   if (EachTickMode Bars != BarCount) TickCheck = False;
   Total = OrdersTotal();
   Order = SIGNAL_NONE;
   //+------------------------------------------------------------------+
   //| Variable Begin                                   |
   //+------------------------------------------------------------------+
{Var}
{VarBuy}
{VarSell}
{VarCloseBuy}
{VarCloseSell}
   
   //+------------------------------------------------------------------+
   //| Variable End                                   |
   //+------------------------------------------------------------------+
   //Check position
   bool IsTrade = False;
   for (int i = 0; i Total; i ++) {
     OrderSelect(i, SELECT_BY_POS, MODE_TRADES);
     if(OrderType() = OP_SELL  OrderSymbol() == Symbol()) {
       IsTrade = True;
       if(OrderType() == OP_BUY) {
         //Close
         //+------------------------------------------------------------------+
         //| Signal Begin(Exit Buy)                              |
         //+------------------------------------------------------------------+
         {SignalCloseBuy}
         //+------------------------------------------------------------------+
         //| Signal End(Exit Buy)                               |
         //+------------------------------------------------------------------+
         if (Order == SIGNAL_CLOSEBUY ((EachTickMode !TickCheck) || (!EachTickMode (Bars != BarCount)))) {
           OrderClose(OrderTicket(), OrderLots(), Bid, Slippage, MediumSeaGreen);
           if (SignalMail) SendMail( [Signal alert] , [ + Symbol() + ] + DoubleToStr(Bid, Digits) + Close Buy
           if (!EachTickMode) BarCount = Bars;
           IsTrade = False;
           continue;
         }
         //Trailing stop
         if(UseTrailingStop TrailingStop 0) {           
           if(Bid - OrderOpenPrice() Point * TrailingStop) {
             if(OrderStopLoss() Bid - Point * TrailingStop) {
               OrderModify(OrderTicket(), OrderOpenPrice(), Bid - Point * TrailingStop, OrderTakeProfit(), 0, MediumSeaGreen);
               if (!EachTickMode) BarCount = Bars;
               continue;
             }
           }
         }
       } else {
         //Close
         //+------------------------------------------------------------------+
         //| Signal Begin(Exit Sell)                             |
         //+------------------------------------------------------------------+
         {SignalCloseSell}
         //+------------------------------------------------------------------+
         //| Signal End(Exit Sell)                             |
         //+------------------------------------------------------------------+
         if (Order == SIGNAL_CLOSESELL ((EachTickMode !TickCheck) || (!EachTickMode (Bars != BarCount)))) {
           OrderClose(OrderTicket(), OrderLots(), Ask, Slippage, DarkOrange);
           if (SignalMail) SendMail( [Signal alert] , [ + Symbol() + ] + DoubleToStr(Ask, Digits) + Close Sell
           if (!EachTickMode) BarCount = Bars;
           IsTrade = False;
           continue;
         }
         //Trailing stop
         if(UseTrailingStop TrailingStop 0) {           
           if((OrderOpenPrice() - Ask) (Point * TrailingStop)) {
             if((OrderStopLoss() (Ask + Point * TrailingStop)) || (OrderStopLoss() == 0)) {
               OrderModify(OrderTicket(), OrderOpenPrice(), Ask + Point * TrailingStop, OrderTakeProfit(), 0, DarkOrange);
               if (!EachTickMode) BarCount = Bars;
               continue;
             }
           }
         }
       }
     }
   }
   //+------------------------------------------------------------------+
   //| Signal Begin(Entry)                                |
   //+------------------------------------------------------------------+
   {SignalBuy}
   {SignalSell}
   //+------------------------------------------------------------------+
   //| Signal End                                      |
   //+------------------------------------------------------------------+
   //Buy
   if (Order == SIGNAL_BUY ((EachTickMode !TickCheck) || (!EachTickMode (Bars != BarCount)))) {
     if(!IsTrade) {
       //Check free margin
       if (AccountFreeMargin() (1000 * Lots)) {
         Print( We have no money. Free Margin = , AccountFreeMargin());
         return(0);
       }
       if (UseStopLoss) StopLossLevel = Ask - StopLoss * Point; else StopLossLevel = 0.0;
       if (UseTakeProfit) TakeProfitLevel = Ask + TakeProfit * Point; else TakeProfitLevel = 0.0;
       Ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, Slippage, StopLossLevel, TakeProfitLevel, Buy(# + MagicNumber + ) , MagicNumber, 0, DodgerBlue);
       if(Ticket 0) {
         if (OrderSelect(Ticket, SELECT_BY_TICKET, MODE_TRADES)) {
                                Print( BUY order opened : , OrderOpenPrice());
            if (SignalMail) SendMail( [Signal alert] , [ + Symbol() + ] + DoubleToStr(Ask, Digits) + Open Buy
                        } else {
                                Print( Error opening BUY order : , GetLastError());
                        }
       }
       if (EachTickMode) TickCheck = True;
       if (!EachTickMode) BarCount = Bars;
       return(0);
     }
   }
   //Sell
   if (Order == SIGNAL_SELL ((EachTickMode !TickCheck) || (!EachTickMode (Bars != BarCount)))) {
     if(!IsTrade) {
       //Check free margin
       if (AccountFreeMargin() (1000 * Lots)) {
         Print( We have no money. Free Margin = , AccountFreeMargin());
         return(0);
       }
       if (UseStopLoss) StopLossLevel = Bid + StopLoss * Point; else StopLossLevel = 0.0;
       if (UseTakeProfit) TakeProfitLevel = Bid - TakeProfit * Point; else TakeProfitLevel = 0.0;
       Ticket = OrderSend(Symbol(), OP_SELL, Lots, Bid, Slippage, StopLossLevel, TakeProfitLevel, Sell(# + MagicNumber + ) , MagicNumber, 0, DeepPink);
       if(Ticket 0) {
         if (OrderSelect(Ticket, SELECT_BY_TICKET, MODE_TRADES)) {
                                Print( SELL order opened : , OrderOpenPrice());
            if (SignalMail) SendMail( [Signal alert] , [ + Symbol() + ] + DoubleToStr(Bid, Digits) + Open Sell
                        } else {
                                Print( Error opening SELL order : , GetLastError());
                        }
       }
       if (EachTickMode) TickCheck = True;
       if (!EachTickMode) BarCount = Bars;
       return(0);
     }
   }
   if (!EachTickMode) BarCount = Bars;
   return(0);
}
//+------------------------------------------------------------------+

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