datenum_datestr.afl

一个更精度的平滑涵数, 可用于股票交易系统.用于Amibroker 平台

//------------------------------------------------------------------------------
//
//  Formula Name:    DateNum_DateStr
//  Author/Uploader: Stephane Carrasset 
//  E-mail:          [e-mail]
//  Date/Time Added: 2004-12-18 12:21:49
//  Origin:          
//  Keywords:        
//  Level:           basic
//  Flags:           commentary,function
//  Formula URL:     http://www.amibroker.com/library/formula.php?id=415
//  Details URL:     http://www.amibroker.com/library/detail.php?id=415
//
//------------------------------------------------------------------------------
//
//  Function changes DateNum ex:1040928 en String ddmmyyyy ex:28/09/2004 ( only
//  > 2000 year )
//
//  Returns in Interpretation every date when occurs an Events.
//
//  Example of StrFormat; StrToNum; NumToStr; printf;
//
//  StaticVarSetText;
//
//------------------------------------------------------------------------------

_SECTION_BEGIN("StrFormat_printf");
// Transforme DateNum ex:1040928 en String ddmmyyyy ex:28/09/2004
result="";
function sDate ( nDate ) //
{
//if you want string without separators you have to specify this in your
//NumToStr call http://www.amibroker.com/f?numtostr
//string=NumToStr(SelectedValue(nDate),1,False);

//You can use StrFormat for more control http://www.amibroker.com/f?strformat
string=StrFormat("%0.9g",nDate);

//extract string part
aa=StrLeft(string,3);
mm=StrMid(string,3,2);
dd=StrRight(string,2);

//transform year en num
aa1=StrToNum(aa)+1900; // ONLY CORRECT AFTER 2000

//return string
result= dd + "/" + mm + "/" + NumToStr(aa1,1,False);
return result;
}

curList=""; // initialize the string List
Event= Cross(MFI(14) ,50 );
zDate=DateNum();
//SetBarsRequired(10000,10000);
for(i=0;i<BarCount;i++)
{
if(Event[i])
{
//Print to Interpretation the Date when events occurs
printf("Cross:" + sDate(zDate[i])+"\n" ); 
// Store a curList for others use
curList=curList+sDate(zDate[i])+"\n";
// Store the curList in a static text
StaticVarSetText("MyList",curList);
}
}

//curList=StaticVarGetText("MyList"); // can be used in an other EDITOR