全由电脑自动下单和平仓,整个程序只用了一个START() 函数来实现 。 程序代码分析 参看代码中的相关注释 //+------------------------------------------------------------------+ //---- input parameters extern double TakeProfit = 20; extern double StopLoss = 30; extern double Lots = 2; extern double TrailingStop = 50; extern int ShortEma = 5; extern int LongEma = 60; //+------------------------------------------------------------------+ //| expert initialization function | //+------------------------------------------------------------------+ int init() { //---- //---- return (0); } //+------------------------------------------------------------------+ //| expert deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- //---- return (0); } //+------------------------------------------------------------------+ //| expert start function | //+------------------------------------------------------------------+ int start() { int cnt, ticket, total; double SEma, LEma; //---- if (Bars < 100) { Print("bars less than 100"); return (0); } //---- if (TakeProfit < 10) { Print("TakeProfit less than 10"); return (0); // check TakeProfit } //---- SEma = iMA(NULL, 0, ShortEma, 0, MODE_EMA, PRICE_CLOSE, 0); LEma = iMA(NULL, 0, LongEma, 0, MODE_EMA, PRICE_CLOSE, 0); //---- static int isCrossed = 0; isCrossed = Crossed(LEma, SEma); //---- total = OrdersTotal(); if (total < 1) { if (isCrossed == 1) // 满足空仓条件,开空仓 { ticket = OrderSend(Symbol(), OP_SELL, Lots, Bid, 3, Bid + StopLoss * Point, Bid - TakeProfit * Point, "EMA_CROSS", 12345, 0, Green); if (ticket > 0) { if (OrderSelect(ticket, SELECT_BY_TICKET, MODE_TRADES)) Print("SELL order opened : ", OrderOpenPrice()); } else Print("Error opening SELL order : ", GetLastError()); return (0); } if (isCrossed == 2) // 满足多仓条件,开多仓 { ticket = OrderSend(Symbol(), OP_BUY, Lots, Ask, 3, Ask - StopLoss * Point, Ask + TakeProfit * Point, "EMA_CROSS", 12345, 0, Red); if (ticket > 0) { if (OrderSelect(ticket, SELECT_BY_TICKET, MODE_TRADES)) Print("BUY order opened : ", OrderOpenPrice()); } else Print("Error opening BUY order : ", GetLastError()); return (0); } return (0); } //---- 订单修改,实现动态止盈止损跟踪 for (cnt = 0; cnt < total; cnt++) { OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES); if (OrderType() <= OP_SELL && OrderSymbol() == Symbol()) { if (OrderType() == OP_SELL) // long position is opened { // check for trailing stop if (TrailingStop > 0) { if (Bid - OrderOpenPrice() > Point * TrailingStop) { if (OrderStopLoss() < Bid - Point * TrailingStop) { OrderModify(OrderTicket(), OrderOpenPrice(), Bid - Point * TrailingStop, OrderTakeProfit(), 0, Green); return (0); } } } } else // go to short position { // check for trailing stop if (TrailingStop > 0) { if ((OrderOpenPrice() - Ask) > (Point * TrailingStop)) { if ((OrderStopLoss() > (Ask + Point * TrailingStop))) { OrderModify(OrderTicket(), OrderOpenPrice(), Ask + Point * TrailingStop, OrderTakeProfit(), 0, Red); return (0); } } } } } } //---- return (0); } //+------------------------------------------------------------------+ // 移动平均线多空条件判断, int Crossed(double line1, double line2) { static int last_direction = 0; static int current_direction = 0; //Don't work in the first load, wait for the first cross! static bool first_time = true; if (first_time == true) { first_time = false; return (0); } //---- if (line1 > line2) current_direction = 2; //up 多头市场 上穿做多 if (line1 < line2) current_direction = 1; //down 空头市场 下穿做空 //---- if (current_direction != last_direction) //changed 多空改变 { last_direction = current_direction; return (last_direction); else return (0); //not changed } |
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