mt4软件怎么提取ea的源码

只世知姿要你的电脑有安装MT4，只需要双击搜绝“BB_MACD_v1.01.mq4”这个文件就能打开猛或读取源码了。

//---- indicator settings

#property indicator_separate_window

#property indicator_buffers 4

#property indicator_color1 Lime //bbMacd up

#property indicator_color2 Magenta //bbMacd up

#property indicator_color3 Blue //Upperband

#property indicator_color4 Red //Lowerband

//---- indicator parameters

extern int FastLen = 12;

extern int SlowLen = 26;

extern int Length = 10;

extern int barsCount = 400;

extern double StDv = 2.5;

//----

int loopbegin;

int shift;

double zeroline;

/好闭/---- indicator buffers

double ExtMapBuffer1[]; // bbMacd

double ExtMapBuffer2[]; // bbMacd

double ExtMapBuffer3[]; // Upperband Line

double ExtMapBuffer4[]; // Lowerband Line

//---- buffers

double bbMacd[];

double Upperband[];

double Lowerband[];

double avg[];

double bbMacdline;

double sDev;

double mean;

double sumSqr;

//+------------------------------------------------------------------+

//| Custom indicator initialization function |

//+------------------------------------------------------------------+

int init()

{

//---- 6 additional buffers are used for counting.

IndicatorBuffers(8);

//---- drawing settings

SetIndexBuffer(0, ExtMapBuffer1); // bbMacd line

SetIndexStyle(0, DRAW_ARROW);

SetIndexArrow(0, 108);

IndicatorDigits(Digits + 1);

//----

SetIndexBuffer(1, ExtMapBuffer2); // bbMacd line

SetIndexStyle(1, DRAW_ARROW);

SetIndexArrow(1, 108);

IndicatorDigits(Digits + 1);

//----

SetIndexBuffer(2, ExtMapBuffer3); // Upperband line

SetIndexStyle(2, DRAW_LINE, STYLE_SOLID, 1);

IndicatorDigits(Digits + 1);

/洞轮/----

SetIndexBuffer(3, ExtMapBuffer4); // Lowerband line

SetIndexStyle(3, DRAW_LINE, STYLE_SOLID, 1);

IndicatorDigits(Digits + 1);

/友颤裂/----

SetIndexBuffer(4, bbMacd);

SetIndexBuffer(5, Upperband);

SetIndexBuffer(6, Lowerband);

SetIndexBuffer(7, avg);

//---- name for DataWindow and indicator subwindow label

IndicatorShortName(BB MACD( + FastLen + , + SlowLen + , + Length+));

SetIndexLabel(0, bbMacd);

SetIndexLabel(1, Upperband);

SetIndexLabel(2, Lowerband);

//---- initialization done

return(0);

}

//+------------------------------------------------------------------+

//| Custor indicator deinitialization function |

//+------------------------------------------------------------------+

int deinit()

{

//----

return(0);

}

//+------------------------------------------------------------------+

//| Custom BB_MACD |

//+------------------------------------------------------------------+

int start()

{

int limit;

int counted_bars = IndicatorCounted();

if(counted_bars < 0) return(-1);

if(counted_bars > 0) counted_bars--;

if (barsCount > 0)

limit = MathMin(Bars - counted_bars,barsCount);

else limit = Bars - counted_bars;

//----

for(int i = 0; i < limit; i++)

bbMacd[i] = iMA(NULL, 0, FastLen, 0, MODE_EMA, PRICE_CLOSE, i) -

iMA(NULL, 0, SlowLen, 0, MODE_EMA, PRICE_CLOSE, i);

//----

for(i = 0; i < limit; i++)

{

avg[i] = iMAOnArray(bbMacd, 0, Length, 0, MODE_EMA, i);

sDev = iStdDevOnArray(bbMacd, 0, Length, MODE_EMA, 0, i);

Upperband[i] = avg[i] + (StDv * sDev);

Lowerband[i] = avg[i] - (StDv * sDev);

ExtMapBuffer1[i]=bbMacd[i]; // Uptrend bbMacd

ExtMapBuffer2[i]=bbMacd[i]; // downtrend bbMacd

ExtMapBuffer3[i]=Upperband[i]; // Upperband

ExtMapBuffer4[i]=Lowerband[i]; // Lowerband

//----

if(bbMacd[i] > bbMacd[i+1])

ExtMapBuffer2[i] = EMPTY_VALUE;

//----

if(bbMacd[i] < bbMacd[i+1])

ExtMapBuffer1[i] = EMPTY_VALUE;

}

//---- done

return(0);

}

//+------------------------------------------------------------------+