MQL5教程 06 EA开发实战
文章目录
- 一、调用多指标多周期EA示例
- 二、获取ZigZag顶点值
- 三、逆势加仓EA
一、调用多指标多周期EA示例
shuju.mqh:
class shuju{public:shuju(){} ~shuju(){}void MA(double &ma[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int ma_period, // 平均周期 int ma_shift, // 平移 ENUM_MA_METHOD ma_method, // 平滑类型 ENUM_APPLIED_PRICE applied_price // 价格或者处理程序类型 );void Bands( double &Upper[],double &Lower[],double &Middle[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int bands_period, // 平均线计算周期 int bands_shift, // 指标平移 double deviation, // 标准差数 ENUM_APPLIED_PRICE applied_price // 价格或处理器类型 );void Stochastic( double &data0[],double &data1[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int Kperiod, // K线周期 (用于计算的柱数) int Dperiod, // D线周期 (开始平滑周期) int slowing, // 最终平滑 ENUM_MA_METHOD ma_method, // 平滑类型 ENUM_STO_PRICE price_field // 随机计算法 );int getrates(MqlRates &rates[],int count,string symbol,ENUM_TIMEFRAMES tf);};void shuju::MA(double &ma[],int count, // 复制总数string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int ma_period, // 平均周期 int ma_shift, // 平移 ENUM_MA_METHOD ma_method, // 平滑类型 ENUM_APPLIED_PRICE applied_price // 价格或者处理程序类型 ){int ma_h = iMA(symbol,period,ma_period,ma_shift,ma_method,applied_price);ArraySetAsSeries(ma,true);CopyBuffer(ma_h,0,0,count,ma);IndicatorRelease(ma_h);}void shuju::Bands( double &Upper[],double &Lower[],double &Middle[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int bands_period, // 平均线计算周期 int bands_shift, // 指标平移 double deviation, // 标准差数 ENUM_APPLIED_PRICE applied_price // 价格或处理器类型 ){int h = iBands(symbol,period,bands_period,bands_shift,deviation,applied_price);ArraySetAsSeries(Upper, true);ArraySetAsSeries(Lower, true);ArraySetAsSeries(Middle, true);CopyBuffer(h,0,0,count,Middle);CopyBuffer(h,1,0,count,Upper);CopyBuffer(h,2,0,count,Lower);IndicatorRelease(h);}void shuju::Stochastic( double &data0[],double &data1[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int Kperiod, // K线周期 (用于计算的柱数) int Dperiod, // D线周期 (开始平滑周期) int slowing, // 最终平滑 ENUM_MA_METHOD ma_method, // 平滑类型 ENUM_STO_PRICE price_field // 随机计算法 ){int h = iStochastic(symbol,period,Kperiod,Dperiod,slowing,ma_method,price_field);ArraySetAsSeries(data0, true);ArraySetAsSeries(data1, true);CopyBuffer(h,0,0,count,data0);CopyBuffer(h,1,0,count,data1);IndicatorRelease(h);}int shuju::getrates(MqlRates &rates[],int count,string symbol,ENUM_TIMEFRAMES tf){ArraySetAsSeries(rates, true);return(CopyRates(symbol,tf,0,count,rates));}
jiaoyi.mqh:
class jiaoyi{public:ulong buy(string symbol,double lots,int slpoint,int tppoint,string com,int magic);ulong buyplus(string symbol,double lots,int slpoint,int tppoint,string com,int magic);ulong sell(string symbol,double lots,int slpoint,int tppoint,string com,int magic);ulong sellplus(string symbol,double lots,int slpoint,int tppoint,string com,int magic);void closeallbuy(string symbol);void closeallsell(string symbol);};ulong jiaoyi::buy(string symbol,double lots,int slpoint,int tppoint,string com,int magic){MqlTradeRequest request = {};MqlTradeResult result = {};request.action = TRADE_ACTION_DEAL;request.symbol = symbol;request.type = ORDER_TYPE_BUY;request.volume = lots;request.deviation = 100;request.type_filling = ORDER_FILLING_IOC;request.price = SymbolInfoDouble(symbol,SYMBOL_ASK);// SYMBOL_TRADE_STOPS_LEVEL 设置止损/止盈时，与当前价格的最小距离限制（以点为单位）if(slpoint>SymbolInfoInteger(symbol,SYMBOL_TRADE_STOPS_LEVEL)){request.sl = SymbolInfoDouble(symbol,SYMBOL_ASK) - slpoint*SymbolInfoDouble(symbol,SYMBOL_POINT);}if(tppoint>SymbolInfoInteger(symbol,SYMBOL_TRADE_STOPS_LEVEL)){request.tp = SymbolInfoDouble(symbol,SYMBOL_ASK) + tppoint*SymbolInfoDouble(symbol,SYMBOL_POINT);}request.comment = com;request.magic = magic;// --- 发送请求if(!OrderSend(request, result))PrintFormat("OrderSend error %d", GetLastError()); // 如果不能发送请求，输出错误代码// --- 显示操作信息PrintFormat("retcode=%u deal=%I64u order=%I64u",result.retcode,result.deal,result.order);return(result.order);}ulong jiaoyi::buyplus(string symbol,double lots,int slpoint,int tppoint,string com,int magic){ulong ticket = 0;int total = PositionsTotal();for(int i=total-1; i>=0; i--){if(PositionGetTicket(i)>0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_BUY && PositionGetInteger(POSITION_MAGIC)==magic && PositionGetString(POSITION_COMMENT)==com)return(0);}}ticket = buy(symbol,lots,slpoint,tppoint,com,magic);return(ticket);}ulong jiaoyi::sell(string symbol,double lots,int slpoint,int tppoint,string com,int magic){MqlTradeRequest request = {};MqlTradeResult result = {};request.action = TRADE_ACTION_DEAL;request.symbol = symbol;request.type = ORDER_TYPE_SELL;request.volume = lots;request.deviation = 100;request.type_filling = ORDER_FILLING_IOC;request.price = SymbolInfoDouble(symbol,SYMBOL_BID);if(slpoint>SymbolInfoInteger(symbol,SYMBOL_TRADE_STOPS_LEVEL)){request.sl = SymbolInfoDouble(symbol,SYMBOL_BID) + slpoint*SymbolInfoDouble(symbol,SYMBOL_POINT);}if(tppoint>SymbolInfoInteger(symbol,SYMBOL_TRADE_STOPS_LEVEL)){request.tp = SymbolInfoDouble(symbol,SYMBOL_BID) - tppoint*SymbolInfoDouble(symbol,SYMBOL_POINT);}request.comment = com;request.magic = magic;// --- 发送请求if(!OrderSend(request, result))PrintFormat("OrderSend error %d", GetLastError());// --- 显示操作信息PrintFormat("retcode=%u deal=%I64u order=%I64u",result.retcode,result.deal,result.order);return(result.order);}ulong jiaoyi::sellplus(string symbol,double lots,int slpoint,int tppoint,string com,int magic){ulong ticket = 0;int total = PositionsTotal();for(int i=total-1; i>=0; i--){if(PositionGetTicket(i)>0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_SELL && PositionGetInteger(POSITION_MAGIC)==magic && PositionGetString(POSITION_COMMENT)==com)return(0);}}ticket = sell(symbol,lots,slpoint,tppoint,com,magic);return(ticket);}void jiaoyi::closeallbuy(string symbol){int total = PositionsTotal();for(int i=total-1; i>=0; i--){ulong ticket = PositionGetTicket(i);if(ticket>0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_BUY){MqlTradeRequest request = {};MqlTradeResult result = {};request.action = TRADE_ACTION_DEAL; // 交易操作类型request.symbol = symbol; // 交易品种request.volume = PositionGetDouble(POSITION_VOLUME); // 交易量 request.type = ORDER_TYPE_SELL; // 订单类型request.price = SymbolInfoDouble(symbol,SYMBOL_BID); // 持仓价格request.deviation= 100; // 允许价格偏差request.type_filling=ORDER_FILLING_IOC;request.position = ticket;if(!OrderSend(request,result))PrintFormat("OrderSend error %d",GetLastError()); }}}}void jiaoyi::closeallsell(string symbol){int total = PositionsTotal();for(int i=total-1; i>=0; i--){ulong ticket = PositionGetTicket(i);if(ticket>0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_SELL){MqlTradeRequest request = {};MqlTradeResult result = {};request.action = TRADE_ACTION_DEAL; // 交易操作类型request.symbol = symbol; // 交易品种request.volume = PositionGetDouble(POSITION_VOLUME); // 交易量 request.type = ORDER_TYPE_BUY; // 订单类型request.price = SymbolInfoDouble(symbol,SYMBOL_ASK); // 持仓价格request.deviation= 100; // 允许价格偏差request.type_filling=ORDER_FILLING_IOC;request.position = ticket;if(!OrderSend(request,result))PrintFormat("OrderSend error %d",GetLastError()); }}}}
EA:
#include <myClass/jiaoyi.mqh>
#include <myClass/shuju.mqh>jiaoyi jy;
shuju sj;input double LOTS = 0.01; // 开仓手数
input int sl_point = 700; // 止损点数
input int tp_point = 700; // 止盈点数
input int MAGIC = 12345; // 幻数
input int little_period = 5; // 小均线周期
input int large_period = 10; // 大均线周期
input int bollinger_period = 20; // 布林带周期
input double bollinger_deviation = 2; // 布林带偏差
input int InpKPeriod = 5; // K period
input int InpDPeriod = 3; // D period
input int InpSlowing = 3; // Slowingint OnInit(){return(INIT_SUCCEEDED);}void OnDeinit(const int reason){}void OnTick(){double m30_ma_xiao[]; // 30分钟小周期MAsj.MA(m30_ma_xiao,4,Symbol(),PERIOD_M30,little_period,0,MODE_SMA,PRICE_CLOSE);double m30_ma_da[]; // 30分钟大周期MAsj.MA(m30_ma_da,4,Symbol(),PERIOD_M30,large_period,0,MODE_SMA,PRICE_CLOSE);double h4_ma_xiao[]; // H4小周期MAsj.MA(h4_ma_xiao,4,Symbol(),PERIOD_H4,little_period,0,MODE_SMA,PRICE_CLOSE);double h4_ma_da[]; // H4大周期MAsj.MA(h4_ma_da,4,Symbol(),PERIOD_H4,large_period,0,MODE_SMA,PRICE_CLOSE);double m30_bands_up[], m30_bands_low[], m30_bands_mid[];sj.Bands(m30_bands_up,m30_bands_low,m30_bands_mid,4,Symbol(),PERIOD_M30,bollinger_period,0,bollinger_deviation,PRICE_CLOSE);double h4_bands_up[], h4_bands_low[], h4_bands_mid[];sj.Bands(h4_bands_up,h4_bands_low,h4_bands_mid,4,Symbol(),PERIOD_H4,bollinger_period,0,bollinger_deviation,PRICE_CLOSE);double m30_k[], m30_d[];sj.Stochastic(m30_k,m30_d,4,Symbol(),PERIOD_M30,InpKPeriod,InpDPeriod,InpSlowing,MODE_SMA,STO_LOWHIGH);double h4_k[], h4_d[];sj.Stochastic(h4_k,h4_d,4,Symbol(),PERIOD_H4,InpKPeriod,InpDPeriod,InpSlowing,MODE_SMA,STO_LOWHIGH);MqlRates m30_rate[];sj.getrates(m30_rate,4,Symbol(),PERIOD_M30);MqlRates h4_rate[];sj.getrates(h4_rate,4,Symbol(),PERIOD_H4);// 开多单：H4K线下穿布林带下轨，且M30小周期均线在大周期均线之上，且M30指标KDJ金叉if(h4_rate[0].low<h4_bands_low[0] && m30_ma_xiao[0]>m30_ma_da[0] && m30_k[1]>m30_d[1] && m30_k[2]<m30_d[2])jy.buyplus(Symbol(),LOTS,sl_point,tp_point,"buy",MAGIC);// 平仓多单：在M30指标KDJ死叉if(m30_k[1]<m30_d[1] && m30_k[2]>m30_d[2])jy.closeallbuy(Symbol());// 开空单if(h4_rate[0].high>h4_bands_up[0] && m30_ma_xiao[0]<m30_ma_da[0] && m30_k[1]<m30_d[1] && m30_k[2]>m30_d[2])jy.sellplus(Symbol(),LOTS,sl_point,tp_point,"sell",MAGIC); // 平仓空单if(m30_k[1]>m30_d[1] && m30_k[2]<m30_d[2])jy.closeallsell(Symbol());}
二、获取ZigZag顶点值
shuju.mqh：
class shuju{public:shuju(){} ~shuju(){}void ZigZag(double &data0[],int count,ENUM_TIMEFRAMES period,int ExtDepth,int ExtDeviation,int ExtBackstep);void gettime(datetime &time[],int count);void getlow(double &Low[],int count);};void shuju::ZigZag(double &data0[],int count,ENUM_TIMEFRAMES period,int ExtDepth,int ExtDeviation,int ExtBackstep){int h = iCustom(Symbol(),period,"Examples/ZigZag",ExtDepth,ExtDeviation,ExtBackstep);ArraySetAsSeries(data0,true);CopyBuffer(h,0,0,count,data0);IndicatorRelease(h);}void shuju::gettime(datetime &time[],int count){ArraySetAsSeries(time,true);CopyTime(Symbol(),0,0,count,time);}void shuju::getlow(double &Low[],int count){ArraySetAsSeries(Low,true);CopyLow(Symbol(),0,0,count,Low);}
EA：
#include <myClass/shuju.mqh>shuju sj;input int InpDepth =12; // Depth
input int InpDeviation=5; // Deviation
input int InpBackstep =3; // Back Step
input int geshu = 10;double zigzag[][4]; // 只计入顶点值int OnInit(){ArrayResize(zigzag, geshu); // 设置新的第一维大小return(INIT_SUCCEEDED);}void OnDeinit(const int reason){}void OnTick(){// ZigZag指标的顶点值为对应K线的最高/最低价，非顶点值为0double zigzagzhi[];int bars = Bars(Symbol(),0); // 返回K嫌数量sj.ZigZag(zigzagzhi,bars,PERIOD_CURRENT,InpDepth,InpDeviation,InpBackstep);datetime time[];sj.gettime(time, bars);double low[];sj.getlow(low, bars);int counter = 0;for(int i=0; i<bars; i++){if(counter>(geshu-1)){break;}if(zigzagzhi[i]>0){zigzag[counter][0] = zigzagzhi[i];zigzag[counter][1] = i;zigzag[counter][2] = (double)time[i];if(zigzagzhi[i] <= low[i]) // 低点{zigzag[counter][3] = 1;}else // 高点{zigzag[counter][3] = 2;}counter++;}}}
三、逆势加仓EA
jiaoyi.mqh：
class jiaoyi{public:int danshu(string symbol,ENUM_POSITION_TYPE type);ulong buy(string symbol,double lots,int slpoint,int tppoint,string com,int magic);ulong buyplus(string symbol,double lots,int slpoint,int tppoint,string com,int magic);ulong zuijindan(string symbol,ENUM_POSITION_TYPE type,double &openprice,datetime &opentime,double &openlots,double &opensl,double &opentp,int magic);double formatlots(string symbol,double lots);void modifysltp(ENUM_POSITION_TYPE type,double sl,double tp);};int jiaoyi::danshu(string symbol,ENUM_POSITION_TYPE type){int count = 0;int total = PositionsTotal();for(int i=total-1; i>=0; i--){ulong ticket = PositionGetTicket(i);if(ticket > 0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==type)count++;}}return(count);}ulong jiaoyi::buy(string symbol,double lots,int slpoint,int tppoint,string com,int magic){MqlTradeRequest request = {};MqlTradeResult result = {};request.action = TRADE_ACTION_DEAL;request.symbol = symbol;request.type = ORDER_TYPE_BUY;request.volume = lots;request.deviation = 100;request.type_filling = ORDER_FILLING_IOC;request.price = SymbolInfoDouble(symbol,SYMBOL_ASK);// SYMBOL_TRADE_STOPS_LEVEL 设置止损/止盈时，与当前价格的最小距离限制（以点为单位）if(slpoint>SymbolInfoInteger(symbol,SYMBOL_TRADE_STOPS_LEVEL)){request.sl = SymbolInfoDouble(symbol,SYMBOL_ASK) - slpoint*SymbolInfoDouble(symbol,SYMBOL_POINT);}if(tppoint>SymbolInfoInteger(symbol,SYMBOL_TRADE_STOPS_LEVEL)){request.tp = SymbolInfoDouble(symbol,SYMBOL_ASK) + tppoint*SymbolInfoDouble(symbol,SYMBOL_POINT);}request.comment = com;request.magic = magic;// --- 发送请求if(!OrderSend(request, result))PrintFormat("OrderSend error %d", GetLastError()); // 如果不能发送请求，输出错误代码// --- 显示操作信息PrintFormat("retcode=%u deal=%I64u order=%I64u",result.retcode,result.deal,result.order);return(result.order);}ulong jiaoyi::buyplus(string symbol,double lots,int slpoint,int tppoint,string com,int magic){ulong ticket = 0;int total = PositionsTotal();for(int i=total-1; i>=0; i--){if(PositionGetTicket(i)>0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==POSITION_TYPE_BUY && PositionGetInteger(POSITION_MAGIC)==magic && PositionGetString(POSITION_COMMENT)==com)return(0);}}ticket = buy(symbol,lots,slpoint,tppoint,com,magic);return(ticket);}ulong jiaoyi::zuijindan(string symbol,ENUM_POSITION_TYPE type,double &openprice,datetime &opentime,double &openlots,double &opensl,double &opentp,int magic=0){openprice = 0;opentime = 0;openlots = 0;opensl = 0;opentp = 0;ulong ticket = 0;int total = PositionsTotal();for(int i=total; i>=0; i--){if(PositionGetTicket(i) > 0){if(PositionGetString(POSITION_SYMBOL)==symbol && PositionGetInteger(POSITION_TYPE)==type && PositionGetInteger(POSITION_MAGIC)==magic){openprice=PositionGetDouble(POSITION_PRICE_OPEN);opentime=(datetime)PositionGetInteger(POSITION_TIME);openlots=PositionGetDouble(POSITION_VOLUME);opensl=PositionGetDouble(POSITION_SL);opentp=PositionGetDouble(POSITION_TP);ticket=PositionGetInteger(POSITION_TICKET);break;}}}return(ticket);}double jiaoyi::formatlots(string symbol,double lots){double final_lots = 0;double minilots=SymbolInfoDouble(symbol,SYMBOL_VOLUME_MIN);double steplots=SymbolInfoDouble(symbol,SYMBOL_VOLUME_STEP);if(lots<minilots)return(0);else{double temp = MathFloor(lots/minilots)*minilots;final_lots = temp + MathFloor((lots-temp)/steplots)*steplots;}return(final_lots);}void jiaoyi::modifysltp(ENUM_POSITION_TYPE type,double sl,double tp){int total = PositionsTotal();for(int i=total-1; i>=0; i--){if(PositionGetTicket(i)>0){if(type==POSITION_TYPE_BUY){// 止损止盈不等于原单子，才做修改。if((NormalizeDouble(sl,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS))!=NormalizeDouble(PositionGetDouble(POSITION_SL),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS))||NormalizeDouble(tp,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS))!=NormalizeDouble(PositionGetDouble(POSITION_TP),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS)))){MqlTradeRequest request= {};MqlTradeResult result = {};request.action = TRADE_ACTION_SLTP;request.position = PositionGetTicket(i);request.symbol = Symbol();request.sl = NormalizeDouble(sl,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));request.tp = NormalizeDouble(tp,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));if(sl<0)request.sl = NormalizeDouble(PositionGetDouble(POSITION_SL),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));if(tp<0)request.tp = NormalizeDouble(PositionGetDouble(POSITION_TP),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));if(!OrderSend(request,result))PrintFormat("OrderSend error %d",GetLastError());}}if(type==POSITION_TYPE_SELL){if((NormalizeDouble(sl,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS))!=NormalizeDouble(PositionGetDouble(POSITION_SL),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS))||NormalizeDouble(tp,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS))!=NormalizeDouble(PositionGetDouble(POSITION_TP),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS)))){MqlTradeRequest request= {};MqlTradeResult result = {};request.action = TRADE_ACTION_SLTP;request.position = PositionGetTicket(i);request.symbol = Symbol();request.sl = NormalizeDouble(sl,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));request.tp = NormalizeDouble(tp,(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));if(sl<0)request.sl = NormalizeDouble(PositionGetDouble(POSITION_SL),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));if(tp<0)request.tp = NormalizeDouble(PositionGetDouble(POSITION_TP),(int)SymbolInfoInteger(Symbol(),SYMBOL_DIGITS));if(!OrderSend(request,result))PrintFormat("OrderSend error %d",GetLastError());}}}}}
shuju.mqh：
class shuju{public:shuju(){} ~shuju(){}void getrates(MqlRates &rates[],int count);void shuju::Bands( double &Upper[],double &Lower[],double &Middle[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int bands_period, // 平均线计算周期 int bands_shift, // 指标平移 double deviation, // 标准差数 ENUM_APPLIED_PRICE applied_price // 价格或处理器类型 );double getask();};void shuju::getrates(MqlRates &rates[],int count){ArraySetAsSeries(rates, true);CopyRates(Symbol(),PERIOD_CURRENT,0,count,rates);}void shuju::Bands( double &Upper[],double &Lower[],double &Middle[],int count,string symbol, // 交易品种名称 ENUM_TIMEFRAMES period, // 周期 int bands_period, // 平均线计算周期 int bands_shift, // 指标平移 double deviation, // 标准差数 ENUM_APPLIED_PRICE applied_price // 价格或处理器类型 ){int h = iBands(symbol,period,bands_period,bands_shift,deviation,applied_price);ArraySetAsSeries(Upper, true);ArraySetAsSeries(Lower, true);ArraySetAsSeries(Middle, true);CopyBuffer(h,0,0,count,Middle);CopyBuffer(h,1,0,count,Upper);CopyBuffer(h,2,0,count,Lower);IndicatorRelease(h);}double shuju::getask(){return(SymbolInfoDouble(Symbol(),SYMBOL_ASK));}
EA：
#include <myClass/jiaoyi.mqh>
#include <myClass/shuju.mqh>jiaoyi jy;
shuju sj;input double init_lots = 0.1; // 初始下单量
input int loss_add_interbal_point = 100; // 亏损加仓间隔点数
input double loss_add_multiple = 2; // 亏损加仓下单倍数
input int syn_add_max_times = 5; // 同向单最多加仓次数
input int call_back_tp_point = 200; // 回调止盈点数
input int bollinger_period = 20;
input double bollinger_deviation =2;
input int MAGIC = 12345;datetime buytime=0;
MqlRates rate[];int OnInit(){sj.getrates(rate, 4);buytime = rate[0].time;return(INIT_SUCCEEDED);}void OnDeinit(const int reason){}void OnTick(){// 这里只展示开多单部分sj.getrates(rate, 4);double bandsup[], bandslow[], bandsmid[];sj.Bands(bandsup,bandslow,bandsmid,4,Symbol(),PERIOD_CURRENT,bollinger_period,0,bollinger_deviation,PRICE_CLOSE);int buydanshu = jy.danshu(Symbol(), POSITION_TYPE_BUY);// 条件 buytime!=rate[0].time 是为了一根K线只开一个单。if(buydanshu==0){// 上一根K线的开盘价收盘价均脱离布林带下轨，且再上一根K线最低价触碰到布林带下轨，则开多单。if(buytime!=rate[0].time && rate[1].open>bandslow[1] && rate[1].close>bandslow[1] && rate[2].low<bandslow[2]){if(jy.buyplus(Symbol(),init_lots,0,call_back_tp_point,"buy",MAGIC) > 0)buytime = rate[0].time;}}else{double open_price, open_lots, open_sl, open_tp;datetime open_time;jy.zuijindan(Symbol(),POSITION_TYPE_BUY,open_price,open_time,open_lots,open_sl,open_tp,MAGIC);// 修改此前所有单的止盈价为最后一单的止盈价jy.modifysltp(POSITION_TYPE_BUY, -1, open_tp); // 止损设为负值，则表示不修改止损if(buydanshu<=syn_add_max_times && (open_price-sj.getask()) >= loss_add_interbal_point*Point()){// 逆势加仓jy.buyplus(Symbol(),jy.formatlots(Symbol(), open_lots*loss_add_multiple),0,call_back_tp_point,"buy"+IntegerToString(buydanshu),MAGIC);}}}