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从网上找到个EA，名叫“GridMonster .我自己改了一下，加了个trailStart功能。还想加几个功能：
1、extern double trailstep=0 //跟踪止损步进点数，以免在5位数平台频繁修改止损，0为停用此功能。
2、extern int shortpositionmaxlose=0 //当亏损卖单超过多少个时，停止开卖单，0为停用此功能。
3、extern int longpositionmaxlose=0 //当亏损买单超过多少个时，停止开买单，0为停用此功能。
刚接触mql4语言，许多功能不知道怎么实现，请高手赐教。
以下是源码：
extern int uniqueGridMagic = 550000;
extern double Lots = 0.01;
extern double GridSize = 6.0;
extern double GridSteps = 10.0;
extern double TakeProfit = 10.0;
extern double StopLoss = 0.0;
extern int trailStart = 0;
extern int trailStop = 0;
extern double UpdateInterval = 1.0;
extern bool wantLongs = TRUE;
extern bool wantShorts = TRUE;
extern bool wantBreakout = TRUE;
extern bool wantCounter = TRUE;
extern bool limitEMA = TRUE;
extern int EMAperiod = 30;
extern double GridMaxOpen = 50.0;
extern bool UseMACD = TRUE;
extern bool UseOsMA = FALSE;
extern bool CloseOpenPositions = FALSE;
extern bool doHouseKeeping = TRUE;
extern double keepOpenTimeLimit = 0.0;
extern int emaFast = 12;
extern int emaSlow = 26;
extern int signalPeriod = 9;
extern int timeframe = 0;
extern int minFromPrice = 0;
extern int tradeForMinutes = 0;
extern int gridOffset = 0;
extern double longGridCenter = 0.0;
extern double shortGridCenter = 0.0;
extern double longGridLow = 0.0;
extern double longGridHigh = 0.0;
extern double shortGridLow = 0.0;
extern double shortGridHigh = 0.0;
extern double profitTarget = 15000.0;
extern bool suspendGrid = FALSE;
extern bool shutdownGrid = FALSE;
string gs_grid_280 = Grid
double g_datetime_288 = 0.0;
double gd_unused_296 = 0.0;
double gd_304 = 0.0;
double gd_312 = 0.0;
double gd_320 = 0.0;
bool gi_328 = FALSE;
int g_count_332 = 0;
int g_count_336 = 0;
bool gi_340 = TRUE;
bool gi_344 = FALSE;
int init() {
string ls_0 = 2020.10.12
int l_str2time_8 = StrToTime(ls_0);
gs_grid_280 = StringConcatenate( Grid- , Symbol(), - , uniqueGridMagic);
return (0);
}
int IsPosition(double ad_0, double ad_8, int ai_16) {
int l_cmd_20;
int l_ord_total_24 = OrdersTotal();
for (int l_pos_28 = 0; l_pos_28 l_ord_total_24; l_pos_28++) {
OrderSelect(l_pos_28, SELECT_BY_POS);
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280) {
l_cmd_20 = OrderType();
if (MathAbs(OrderOpenPrice() - ad_0) 0.9 * ad_8)
if ((ai_16 l_cmd_20 == OP_BUY || l_cmd_20 == OP_BUYLIMIT || l_cmd_20 == OP_BUYSTOP) || (!ai_16 l_cmd_20 == OP_SELL || l_cmd_20 == OP_SELLLIMIT || l_cmd_20 == OP_SELLSTOP)) return (1);
}
}
return (0);
}
void DeleteAfter(double ad_0) {
bool li_8;
int l_ord_total_12 = OrdersTotal();
for (int l_pos_16 = l_ord_total_12 - 1; l_pos_16 l_pos_16--) OrderSelect(l_pos_16, SELECT_BY_POS, MODE_TRADES);
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280) {
if (MathAbs(iTime(Symbol(), PERIOD_M5, 0) - OrderOpenTime()) = 60.0 * (60.0 * ad_0) iTime(Symbol(), PERIOD_M5, 0) 0) {
li_8 = FALSE;
if (OrderType() == OP_BUY) li_8 = OrderClose(OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_BID), 5, Red);
if (OrderType() == OP_SELL) li_8 = OrderClose(OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_ASK), 5, Red);
if (OrderType() OP_SELL) li_8 = OrderDelete(OrderTicket());
}
}
}
void CloseAllPendingOrders() {
int l_ord_delete_0;
int l_ord_total_4 = OrdersTotal();
for (int l_pos_8 = l_ord_total_4 - 1; l_pos_8 l_pos_8--) {
OrderSelect(l_pos_8, SELECT_BY_POS);
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280)
if (OrderType() OP_SELL) l_ord_delete_0 = OrderDelete(OrderTicket());
}
}
void ClosePendingOrdersAndPositions() {
bool li_0;
int l_ord_total_4 = OrdersTotal();
for (int l_pos_8 = l_ord_total_4 - 1; l_pos_8 l_pos_8--) {
OrderSelect(l_pos_8, SELECT_BY_POS);
li_0 = FALSE;
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280) {
if (OrderType() == OP_BUY) li_0 = OrderClose(OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_BID), 5, Red);
if (OrderType() == OP_SELL) li_0 = OrderClose(OrderTicket(), OrderLots(), MarketInfo(OrderSymbol(), MODE_ASK), 5, Red);
if (OrderType() OP_SELL) li_0 = OrderDelete(OrderTicket());
}
}
}
void CloseOrdersfromEMA(double ad_0) {
int l_cmd_8;
bool l_ord_delete_12;
int l_ord_total_16 = OrdersTotal();
for (int l_pos_20 = l_ord_total_16 - 1; l_pos_20 l_pos_20--) {
OrderSelect(l_pos_20, SELECT_BY_POS);
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280) {
l_cmd_8 = OrderType();
l_ord_delete_12 = FALSE;
if (l_cmd_8 == OP_BUYLIMIT OrderOpenPrice() = ad_0) l_ord_delete_12 = OrderDelete(OrderTicket());
}
}
}
int openPositions() {
int l_cmd_0;
int l_count_4 = 0;
int l_ord_total_8 = OrdersTotal();
for (int l_pos_12 = l_ord_total_8 - 1; l_pos_12 l_pos_12--) {
OrderSelect(l_pos_12, SELECT_BY_POS);
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280) {
l_cmd_0 = OrderType();
if (l_cmd_0 == OP_BUY) l_count_4++;
if (l_cmd_0 == OP_SELL) l_count_4++;
}
}
return (l_count_4);
}
void TestForProfit(int a_magic_0, double ad_4, int ai_12, int ai_16) {
int li_20;
int l_cmd_24;
if (ad_4 0.0) {
gd_304 = 0;
if (ai_16 == 1) {
li_20 = OrdersHistoryTotal();
for (int l_pos_28 = 0; l_pos_28 li_20; l_pos_28++) {
OrderSelect(l_pos_28, SELECT_BY_POS, MODE_HISTORY);
if (OrderSymbol() == Symbol() OrderMagicNumber() == a_magic_0) gd_304 += OrderProfit();
}
} else gd_320 = 0;
gd_312 = 0;
if (ai_12 == 1) {
li_20 = OrdersTotal();
g_count_332 = 0;
g_count_336 = 0;
for (l_pos_28 = 0; l_pos_28 li_20; l_pos_28++) {
OrderSelect(l_pos_28, SELECT_BY_POS);
if (OrderSymbol() == Symbol() OrderMagicNumber() == a_magic_0) {
gd_312 += OrderProfit();
l_cmd_24 = OrderType();
if (l_cmd_24 == OP_BUY) g_count_332++;
if (l_cmd_24 == OP_SELL) g_count_336++;
}
}
}
if (gd_304 + gd_312 = ad_4 + gd_320) {
Print( Closing grid due to profit target
ClosePendingOrdersAndPositions();
gd_320 = gd_320 + gd_304 + gd_312;
gi_328 = TRUE;
if (gi_344 == TRUE) gi_340 = FALSE;
}
}
}
void TrailIt(int ai_0) {
if (ai_0 = 5) {
for (int l_pos_4 = 0; l_pos_4 OrdersTotal(); l_pos_4++) {
OrderSelect(l_pos_4, SELECT_BY_POS, MODE_TRADES);
if (OrderSymbol() == Symbol() OrderMagicNumber() == uniqueGridMagic || OrderComment() == gs_grid_280) {
if (OrderType() == OP_BUY) {
if (Bid - OrderOpenPrice() (ai_0+ trailStart)* MarketInfo(OrderSymbol(), MODE_POINT))
if (OrderStopLoss() Bid - (ai_0+ trailStart) * MarketInfo(OrderSymbol(), MODE_POINT)) OrderModify(OrderTicket(), OrderOpenPrice(), Bid - ai_0 * MarketInfo(OrderSymbol(), MODE_POINT), OrderTakeProfit(), 255);
} else {
if (OrderType() == OP_SELL) {
if (OrderOpenPrice() - Ask (ai_0+ trailStart) * MarketInfo(OrderSymbol(), MODE_POINT))
if (OrderStopLoss() Ask + (ai_0+ trailStart)* MarketInfo(OrderSymbol(), MODE_POINT) || OrderStopLoss() == 0.0) OrderModify(OrderTicket(), OrderOpenPrice(), Ask + ai_0 * MarketInfo(OrderSymbol(), MODE_POINT), OrderTakeProfit(), 255);
}
}
}
}
}
}
int start() {
int li_0;
int l_ticket_4;
int l_cmd_8;
bool li_12;
double l_point_16;
double ld_24;
double l_price_32;
double ld_40;
double l_ima_48;
int li_56;
double ld_60;
double ld_68;
double ld_76;
int li_84;
double l_price_88;
if (TakeProfit 60.0 * UpdateInterval) {
if (profitTarget 0.0) TestForProfit(uniqueGridMagic, profitTarget, 1, 0);
g_datetime_288 = TimeCurrent();
l_point_16 = MarketInfo(Symbol(), MODE_POINT);
ld_24 = (Ask + l_point_16 * GridSize / 2.0) / l_point_16 / GridSize;
li_0 = ld_24;
li_0 = li_0 * GridSize;
ld_24 = li_0 * l_point_16 - GridSize * GridSteps / 2.0 * l_point_16;
l_ima_48 = iMA(NULL, 0, EMAperiod, 0, MODE_EMA, PRICE_CLOSE, 0);
li_56 = 0;
if (GridMaxOpen 0.0) {
li_56 = openPositions();
if (li_56 = GridMaxOpen) CloseAllPendingOrders();
}
if (limitEMA)
if (doHouseKeeping) CloseOrdersfromEMA(l_ima_48);
if (keepOpenTimeLimit 0.0) DeleteAfter(keepOpenTimeLimit);
if (trailStop 0) TrailIt(trailStop);
if (UseMACD || UseOsMA) {
if (UseMACD) {
ld_60 = iMACD(NULL, timeframe, emaFast, emaSlow, signalPeriod, PRICE_CLOSE, MODE_MAIN, 0);
ld_68 = iMACD(NULL, timeframe, emaFast, emaSlow, signalPeriod, PRICE_CLOSE, MODE_MAIN, 1);
ld_76 = iMACD(NULL, timeframe, emaFast, emaSlow, signalPeriod, PRICE_CLOSE, MODE_MAIN, 2);
}
if (UseOsMA) {
ld_60 = iOsMA(NULL, timeframe, emaFast, emaSlow, signalPeriod, PRICE_CLOSE, 0);
ld_68 = iOsMA(NULL, timeframe, emaFast, emaSlow, signalPeriod, PRICE_CLOSE, 1);
ld_76 = iOsMA(NULL, timeframe, emaFast, emaSlow, signalPeriod, PRICE_CLOSE, 2);
}
if (ld_60 0.0 ld_68 0.0 ld_76 0.0) {
CloseAllPendingOrders();
if (CloseOpenPositions == TRUE) ClosePendingOrdersAndPositions();
}
if (ld_60 0.0 ld_68 0.0 ld_76 0.0) {
CloseAllPendingOrders();
if (CloseOpenPositions == TRUE) ClosePendingOrdersAndPositions();
}
l_bool_96 = FALSE;
l_bool_100 = FALSE;
if (ld_60 0.0 ld_68 0.0 ld_76 0.0 wantLongs == TRUE) l_bool_96 = TRUE;
if (ld_60 0.0 ld_68 0.0 ld_76 0.0 wantShorts == TRUE) l_bool_100 = TRUE;
}
li_84 = GridSteps;
if (GridMaxOpen 0.0 li_56 = GridMaxOpen) li_84 = 0;
if (suspendGrid == TRUE) return (0);
Print( Trigs , ld_60, , ld_68, , ld_76, , l_bool_96, , l_bool_100, , li_84, ema , l_ima_48, price , Bid);
for (int l_count_104 = 0; l_count_104 li_84; l_count_104++) {
ld_24 = (Ask + l_point_16 * GridSize / 2.0) / l_point_16 / GridSize;
li_0 = ld_24;
li_0 = li_0 * GridSize;
ld_24 = li_0 * l_point_16 - GridSize * GridSteps / 2.0 * l_point_16;
l_price_32 = ld_24 + l_count_104 * l_point_16 * GridSize + gridOffset * l_point_16;
if (l_bool_96 !limitEMA || l_price_32 l_ima_48) {
if (longGridCenter l_point_16) {
ld_40 = GridSteps / 2.0;
li_0 = ld_40;
ld_24 = longGridCenter - li_0 * GridSize * l_point_16;
} else {
ld_24 = (Ask + l_point_16 * GridSize / 2.0) / l_point_16 / GridSize;
li_0 = ld_24;
li_0 = li_0 * GridSize;
ld_24 = li_0 * l_point_16 - GridSize * GridSteps / 2.0 * l_point_16;
}
l_price_32 = ld_24 + l_count_104 * l_point_16 * GridSize + gridOffset * l_point_16;
li_12 = TRUE;
if (l_price_32 longGridLow) li_12 = FALSE;
if (l_price_32 longGridHigh longGridHigh l_point_16) li_12 = FALSE;
if (IsPosition(l_price_32, l_point_16 * GridSize, 1) == 0 li_12 == TRUE) {
l_price_88 = 0;
if (StopLoss 0.0) l_price_88 = l_price_32 - l_point_16 * StopLoss;
if (l_price_32 Ask) l_cmd_8 = 4;
else l_cmd_8 = 2;
if ((l_price_32 Ask + minFromPrice * Point wantBreakout) || (l_price_32 l_point_16) {
ld_40 = GridSteps / 2.0;
li_0 = ld_40;
ld_24 = shortGridCenter - li_0 * GridSize * l_point_16;
} else {
ld_24 = (Ask + l_point_16 * GridSize / 2.0) / l_point_16 / GridSize;
li_0 = ld_24;
li_0 = li_0 * GridSize;
ld_24 = li_0 * l_point_16 - GridSize * GridSteps / 2.0 * l_point_16;
}
l_price_32 = ld_24 + l_count_104 * l_point_16 * GridSize + gridOffset * l_point_16;
li_12 = TRUE;
if (l_price_32 shortGridLow) li_12 = FALSE;
if (l_price_32 shortGridHigh shortGridHigh l_point_16) li_12 = FALSE;
if (IsPosition(l_price_32, l_point_16 * GridSize, 0) == 0 li_12 == TRUE) {
l_price_88 = 0;
if (StopLoss 0.0) l_price_88 = l_price_32 + l_point_16 * StopLoss;
if (l_price_32 Bid) l_cmd_8 = 3;
else l_cmd_8 = 5;
if ((l_price_32 Bid - minFromPrice * Point wantBreakout) || (l_price_32 = Bid + minFromPrice * Point wantCounter)) l_ticket_4 = OrderSend(Symbol(), l_cmd_8, Lots, l_price_32, 0, l_price_88, l_price_32 - l_point_16 * TakeProfit, gs_grid_280, uniqueGridMagic, 0, Red);
}
}
}
}
return (0);
}
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