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GESTION DES DATES


Information sur la source

Catégorie :Date & Heure Niveau : Initié Date de création : 01/09/2003 Date de mise à jour : 02/09/2003 17:17:19 Vu : 5 554

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Description

Quelques fonctions qui aident à lire, modifier, formater les dates en javascript.
Ca ne fait pas tout, ca peut surement etre simplifié, mais le jour ou j'ai pondu ca, c'etait surtout pour me faciliter la vie dans mon travail vu que je manipulait enormement les dates. Si mes souvenirs sont bons, il reste qqs petits bugs mineurs.
C'est quand meme bien pratique

DateChange (DateIn, Nb, Type): Permet d'ajouter/enlever du temps (jour, mois, année) à une date.

DateFormat (DateIn, Mask, debug): Format une chaine de caractere en un objet date valide.
(ex:
  DateFormat ("1969/06/20", "%YYYY%/%MM%/%DD%")
  => Fri Jun 20 00:00:00 EDT 1969
)
Dateinfo (DateIn): retourne toutes les infos d'un objet date.

en esperant que ca puisse aider quelqu'un
A+
Philippe

 

Source

  • // ***********************************************
  • function DateChange (DateIn, Nb, Type)
  • {
  • /***********************************************
  • return a object Date ... up or down a date value
  • DateIn is a Date Object; Nb is a integer; Type is a choice: ["DAY","MONTH","YEAR"]
  • ***********************************************/
  • var Year = DateIn.getFullYear();
  • var Month = DateIn.getMonth() + 1;
  • var Day = DateIn.getDate();
  • if (Type.toUpperCase().substring(0,1) == "D")
  • {
  • var DateMili = DateIn.setTime(DateIn.getTime() + (86400000 * Nb));
  • return DateIn;
  • }
  • if (Type.toUpperCase().substring(0,1) == "Y")
  • Year += Nb;
  • if (Type.toUpperCase().substring(0,1) == "M")
  • {
  • Month += Nb;
  • if (Month < 1)
  • {
  • Month += 12;
  • Year -= 1;
  • }
  • if (Month > 12)
  • {
  • Month -= 12;
  • Year += 1;
  • }
  • }
  • if (Day > NbDaysOfMonth(Year,Month))
  • Day = NbDaysOfMonth(Year,Month);
  • return new Date(Year,Month-1,Day,DateIn.getHours(),DateIn.getMinutes(),DateIn.getSeconds());
  • }
  • // ***********************************************
  • function DateFormat (DateIn, Mask, debug)
  • {
  • /***********************************************
  • return a object Date
  • Possible value for the Mask are ["YYYY", "YY", "MM", "mm", "mmmm", "DD", "HH", "HM", "HS", "/", "AMPM"]:
  • The "%/" replace all separator in the date
  • [ie:
  • "1969/06/20,16:20:06", "%YYYY%/%MM%/%DD%/%HH%/%HM%/%HS"
  • "june 20 1969 04:20:06 PM", "%mmmm%/%DD%/%YYYY%/%HH%/%HM%/%HS%/%AMPM";
  • ]
  • ***********************************************/
  • var Month = new Array("JANUARY","FEBRUARY","MARCH","APRIL","MAY","JUNE","JULY","AUGUST","SEPTEMBER","OCTOBER","NOVEMBER","DECEMBER" );
  • var Day= new Array("SUNDAY","MONDAY","TUESDAY","WEDNESDAY","THURSDAY","FRIDAY","SATURDAY");
  • var TypeOfMask = new Array();
  • var DateResult = new Array();
  • var MaskRes, RegResult, DateOut;
  • var RegMask = "";
  • var DebugMsg = ""; // DEBUG LINE
  • DebugMsg += "Date In= " + DateIn + "\n"; // DEBUG LINE
  • DebugMsg += "Mask In= " + Mask.replace(/\%+/g," ") + "\n"; // DEBUG LINE
  • TypeOfMask.YYYY = "(\\d{4})";
  • TypeOfMask.YY = "(\\d{2})";
  • TypeOfMask.MM = "(\\d{1,2})";
  • TypeOfMask.mm = "(\\w{3})";
  • TypeOfMask.mmmm = "(\\w{3,9})";
  • TypeOfMask.DD = "(\\d{1,2})";
  • TypeOfMask.HH = "(\\d{1,2})";
  • TypeOfMask.HM = "(\\d{1,2})";
  • TypeOfMask.HS = "(\\d{1,2})";
  • TypeOfMask.AMPM = "(A|P)";
  • TypeOfMask.SEP = "(\\W)";
  • Mask = Mask.replace(/\//g, "SEP");
  • MaskRes= Mask.match(/\w+/g);
  • for (Y = 0; Y < MaskRes.length; Y++)
  • RegMask += TypeOfMask[MaskRes[Y]];
  • RegMask = new RegExp ("^" + RegMask,"i")
  • DebugMsg += "RegMask= " + RegMask + "\n"; // DEBUG LINE
  • RegResult= RegMask.exec(DateIn)
  • DebugMsg += "RegResult= " + RegResult + "\n"; // DEBUG LINE
  • if (RegResult)
  • {
  • for (Y = 0; Y < MaskRes.length; Y++)
  • if(MaskRes[Y] != "sep")
  • DateResult[MaskRes[Y]]= RegResult[Y+1];
  • DateResult.YYYY = (DateResult.YY)?"20" + DateResult.YY:DateResult.YYYY;
  • if (DateResult.mm)
  • DateResult.MM = GetMonthNum (DateResult.mm)+1;
  • else if (DateResult.mmmm)
  • DateResult.MM = GetMonthNum (DateResult.mmmm)+1;
  • DateResult.AMPM =(DateResult.AMPM)?DateResult.AMPM.toUpperCase():"";
  • if (DateResult.HH)
  • {
  • if (DateResult.AMPM && DateResult.HH > 12)
  • {
  • DebugMsg += "Hours > 12 for a Time set with the format Am/Pm \n"; // DEBUG LINE
  • if (debug) alert (DebugMsg); // DEBUG LINE
  • return false;
  • }
  • else if (DateResult.AMPM == "P")
  • DateResult.HH = parseInt(DateResult.HH) + 12;
  • }
  • else
  • DateResult.HH = "";
  • DateResult.HM = (DateResult.HM)?DateResult.HM:"";
  • DateResult.HS = (DateResult.HS)?DateResult.HS:"";
  • DateOut = new Date (DateResult.YYYY, DateResult.MM -1, DateResult.DD, DateResult.HH, DateResult.HM, DateResult.HS);
  • DebugMsg += "DateResult.YYYY = " + DateResult.YYYY + "\n"; // DEBUG LINE
  • DebugMsg += "DateResult.MM = " + DateResult.MM + "\n"; // DEBUG LINE
  • DebugMsg += "DateResult.DD = " + DateResult.DD + "\n"; // DEBUG LINE
  • DebugMsg += "DateResult.HH = " + DateResult.HH + "\n"; // DEBUG LINE
  • DebugMsg += "DateResult.HM = " + DateResult.HM + "\n"; // DEBUG LINE
  • DebugMsg += "DateResult.HS = " + DateResult.HS + "\n"; // DEBUG LINE
  • DebugMsg += "DateResult.AMPM = " + DateResult.AMPM + "\n"; // DEBUG LINE
  • if (debug) alert (DebugMsg); // DEBUG LINE
  • }
  • else
  • {
  • if (debug) alert (DebugMsg); // DEBUG LINE
  • return false;
  • }
  • return (DateResult.DD > NbDaysOfMonth(DateResult.YYYY,DateResult.MM))?false:DateOut;
  • }
  • // ***********************************************
  • function Dateinfo (DateIn)
  • {
  • /***********************************************
  • return a Array. GMT is a true/false arguments
  • resultat[0] = resultat.YYYY
  • resultat[1] = resultat.YY
  • resultat[2] = resultat.MM
  • resultat[3] = resultat.mm
  • resultat[4] = resultat.mmmm
  • resultat[5] = resultat.DD
  • resultat[6] = resultat.dd
  • resultat[7] = resultat.dddd
  • resultat[8] = resultat.HH
  • resultat[9] = resultat.HM
  • resultat[10] = resultat.HS
  • resultat[11] = resultat.AMPM
  • resultat[12] = resultat.SEC70
  • resultat[13] = resultat.GMT
  • ***********************************************/
  • var TwoDigit = function (Num){Num = Num.toString(); return (Num.length == 1)?"0" + Num:Num;};
  • var RegE = /(\w+)\W+(\w+)/;
  • var DateResult = new Array();
  • if (new Date(DateIn) == "NaN" || DateIn.toString().substring(DateIn.length-3) == "UTC" || !DateIn)
  • {
  • alert("Sungard EMS: Web Integration Debug. \n Error: functions infoDate(DateIn) in Functions.js . \n\n Not a good Date or a UTC (GMT) Date.");
  • return false;
  • }
  • DateResult[0] = DateResult.YYYY = DateIn.getFullYear();
  • DateResult[1] = DateResult.YY = TwoDigit(DateIn.getYear().toString().substring(2));
  • DateResult[2] = DateResult.MM = TwoDigit(DateIn.getMonth() + 1);
  • res = RegE.exec(DateIn);
  • DateResult[3] = DateResult.mm = RegExp.$2;
  • res = RegE.exec(DateIn.toLocaleString());
  • DateResult[4] = DateResult.mmmm = RegExp.$2;
  • DateResult[5] = DateResult.DD = TwoDigit(DateIn.getDate());
  • res = RegE.exec(DateIn);
  • DateResult[6] = DateResult.dd = RegExp.$1;
  • res = RegE.exec(DateIn.toLocaleString());
  • DateResult[7] = DateResult.dddd = RegExp.$1;
  • DateResult[8] = DateResult.HH = TwoDigit(DateIn.getHours());
  • DateResult[9] = DateResult.HM = TwoDigit(DateIn.getMinutes());
  • DateResult[10] = DateResult.HS = TwoDigit(DateIn.getSeconds());
  • res = /(\w+)$/.exec(DateIn.toLocaleString());
  • DateResult[11] = DateResult.AMPM = RegExp.$1;
  • DateResult[12] = DateResult.SEC70 = DateIn.getTime();
  • DateResult[13] = DateResult.GMT= DateIn.toGMTString();
  • return DateResult;
  • }
  • // ***********************************************
  • function NbDaysOfMonth (Year, Month)
  • {
  • switch(parseFloat(Month))
  • {
  • case 2: return ( ((Year % 4 == 0) && ((! (Year % 100 == 0)) || (Year % 400 == 0) ) ) ? 29 : 28);
  • case 4:; case 6:; case 9:; case 11: return 30;
  • case 1:; case 3:; case 5:; case 7:; case 8:; case 10:; case 12: return 31;
  • default: return -1;
  • }
  • }
  • // ***********************************************
  • function GetMonthName(Month, little)
  • {
  • var MonthName = new Array("January","February","March","April","May","June","July","August","September","October","November","December" );
  • return (little)?MonthName[parseInt(Month)].substring(0,3):MonthName[parseInt(Month)];
  • }
  • // ***********************************************
  • function GetMonthNum(Month)
  • {
  • var MonthName = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");
  • for (Y=0; Y<12; Y++)
  • if (MonthName[Y] == Month.substring(0,3).toUpperCase())
  • return Y;
  • }
  • // ***********************************************
  • function GetDayName (Day, little)
  • {
  • var DayName= new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
  • return (little)?DayName[parseInt(Day)].substring(0,3):DayName[parseInt(Day)];
  • }
  • // ***********************************************
  • function GetDayNum (Day)
  • {
  • var DayName= new Array("SUN","MON","TUE","WED","THU","FRI","SAT");
  • for (Y=0; Y<7; Y++)
  • if (DayName[Y] == Day.substring(0,3).toUpperCase())
  • return Y;
  • }
// ***********************************************
function DateChange (DateIn, Nb, Type)
{
/***********************************************
    return a object Date ... up or down a date value
    DateIn is a Date Object; Nb is a integer; Type is a choice: ["DAY","MONTH","YEAR"]
***********************************************/
    var Year = DateIn.getFullYear();
    var Month = DateIn.getMonth() + 1;
    var Day = DateIn.getDate();
    
    if (Type.toUpperCase().substring(0,1) == "D")
    {
        var DateMili = DateIn.setTime(DateIn.getTime() + (86400000 * Nb));
        return DateIn;
    }
    
    if (Type.toUpperCase().substring(0,1) == "Y")
        Year += Nb;
    
    if (Type.toUpperCase().substring(0,1) == "M")
    {
        Month += Nb;
        if (Month < 1) 
        {
            Month += 12;
            Year -= 1; 
        }
        if (Month > 12) 
        {
            Month -= 12;
            Year += 1; 
        }
    }
    
    if (Day > NbDaysOfMonth(Year,Month))
        Day = NbDaysOfMonth(Year,Month);
    return new Date(Year,Month-1,Day,DateIn.getHours(),DateIn.getMinutes(),DateIn.getSeconds());
}


// ***********************************************
function DateFormat (DateIn, Mask, debug)
{
/***********************************************
    return a object Date
    
    Possible value for the Mask are ["YYYY", "YY", "MM", "mm", "mmmm", "DD", "HH", "HM", "HS", "/", "AMPM"]:
    The "%/" replace all separator in the date
    [ie: 
            "1969/06/20,16:20:06", "%YYYY%/%MM%/%DD%/%HH%/%HM%/%HS"
            "june 20 1969 04:20:06 PM", "%mmmm%/%DD%/%YYYY%/%HH%/%HM%/%HS%/%AMPM";
    ]
***********************************************/
    var Month = new Array("JANUARY","FEBRUARY","MARCH","APRIL","MAY","JUNE","JULY","AUGUST","SEPTEMBER","OCTOBER","NOVEMBER","DECEMBER" );
    var Day= new Array("SUNDAY","MONDAY","TUESDAY","WEDNESDAY","THURSDAY","FRIDAY","SATURDAY");
    var TypeOfMask = new Array();
    var DateResult = new Array();
    var MaskRes, RegResult, DateOut;
    var RegMask = "";
    var DebugMsg = "";  // DEBUG LINE
    DebugMsg += "Date In= " + DateIn + "\n";  // DEBUG LINE
    DebugMsg += "Mask In= " + Mask.replace(/\%+/g," ") + "\n";  // DEBUG LINE

    TypeOfMask.YYYY = "(\\d{4})";
    TypeOfMask.YY = "(\\d{2})";
    TypeOfMask.MM = "(\\d{1,2})";
    TypeOfMask.mm = "(\\w{3})";
    TypeOfMask.mmmm = "(\\w{3,9})";
    TypeOfMask.DD = "(\\d{1,2})";
    TypeOfMask.HH = "(\\d{1,2})";
    TypeOfMask.HM = "(\\d{1,2})";
    TypeOfMask.HS = "(\\d{1,2})";
    TypeOfMask.AMPM = "(A|P)";
    TypeOfMask.SEP = "(\\W)";

    Mask = Mask.replace(/\//g, "SEP");
    MaskRes= Mask.match(/\w+/g);
    for (Y = 0; Y < MaskRes.length; Y++)
        RegMask += TypeOfMask[MaskRes[Y]];

    RegMask = new RegExp ("^" + RegMask,"i")
    DebugMsg += "RegMask= " + RegMask + "\n";  // DEBUG LINE
    RegResult= RegMask.exec(DateIn)
    DebugMsg += "RegResult= " + RegResult + "\n";  // DEBUG LINE

    if (RegResult)
    {
        for (Y = 0; Y < MaskRes.length; Y++)
            if(MaskRes[Y] != "sep")
                DateResult[MaskRes[Y]]= RegResult[Y+1];

        DateResult.YYYY = (DateResult.YY)?"20" + DateResult.YY:DateResult.YYYY;

        if (DateResult.mm)
            DateResult.MM = GetMonthNum (DateResult.mm)+1;
        else if (DateResult.mmmm)
            DateResult.MM = GetMonthNum (DateResult.mmmm)+1;

        DateResult.AMPM =(DateResult.AMPM)?DateResult.AMPM.toUpperCase():"";

        if (DateResult.HH)
        {
            if (DateResult.AMPM && DateResult.HH > 12)
            {
                DebugMsg += "Hours > 12 for a Time set with the format Am/Pm \n";  // DEBUG LINE
                if (debug) alert (DebugMsg);  // DEBUG LINE
                return false;
            }
            else if (DateResult.AMPM  == "P")
                DateResult.HH = parseInt(DateResult.HH) + 12;
        }
        else
            DateResult.HH = "";
        DateResult.HM = (DateResult.HM)?DateResult.HM:"";
        DateResult.HS = (DateResult.HS)?DateResult.HS:"";
        DateOut = new Date (DateResult.YYYY, DateResult.MM -1, DateResult.DD, DateResult.HH, DateResult.HM, DateResult.HS);

        DebugMsg += "DateResult.YYYY = " + DateResult.YYYY + "\n";  // DEBUG LINE
        DebugMsg += "DateResult.MM   = " + DateResult.MM   + "\n";  // DEBUG LINE
        DebugMsg += "DateResult.DD   = " + DateResult.DD   + "\n";  // DEBUG LINE
        DebugMsg += "DateResult.HH   = " + DateResult.HH   + "\n";  // DEBUG LINE
        DebugMsg += "DateResult.HM   = " + DateResult.HM   + "\n";  // DEBUG LINE
        DebugMsg += "DateResult.HS = " + DateResult.HS + "\n";  // DEBUG LINE
        DebugMsg += "DateResult.AMPM = " + DateResult.AMPM + "\n";  // DEBUG LINE
        if (debug) alert (DebugMsg);  // DEBUG LINE
    }                                            
    else
    {
        if (debug) alert (DebugMsg);  // DEBUG LINE
        return false;
    }

    return (DateResult.DD > NbDaysOfMonth(DateResult.YYYY,DateResult.MM))?false:DateOut;
}

// ***********************************************
function Dateinfo (DateIn)
{
/***********************************************
    return a Array. GMT is a true/false arguments

    resultat[0] = resultat.YYYY
    resultat[1] = resultat.YY
    resultat[2] = resultat.MM
    resultat[3] = resultat.mm
    resultat[4] = resultat.mmmm
    resultat[5] = resultat.DD
    resultat[6] = resultat.dd
    resultat[7] = resultat.dddd
    resultat[8] = resultat.HH
    resultat[9] = resultat.HM
    resultat[10] = resultat.HS
    resultat[11] = resultat.AMPM
    resultat[12] = resultat.SEC70
    resultat[13] = resultat.GMT
***********************************************/
    var TwoDigit = function (Num){Num = Num.toString(); return  (Num.length == 1)?"0" + Num:Num;};
    var RegE = /(\w+)\W+(\w+)/;
    var DateResult = new Array();

    if (new Date(DateIn) == "NaN" || DateIn.toString().substring(DateIn.length-3) == "UTC" || !DateIn)
    {
        alert("Sungard EMS: Web Integration Debug. \n Error: functions infoDate(DateIn) in Functions.js . \n\n Not a good Date or a UTC (GMT) Date.");
        return false;
    }

    DateResult[0] = DateResult.YYYY = DateIn.getFullYear();
    DateResult[1] = DateResult.YY = TwoDigit(DateIn.getYear().toString().substring(2));
    DateResult[2] = DateResult.MM = TwoDigit(DateIn.getMonth() + 1);
    res = RegE.exec(DateIn);
    DateResult[3] = DateResult.mm = RegExp.$2;
    res = RegE.exec(DateIn.toLocaleString());
    DateResult[4] = DateResult.mmmm = RegExp.$2;
    DateResult[5] = DateResult.DD = TwoDigit(DateIn.getDate());
    res = RegE.exec(DateIn);
    DateResult[6] = DateResult.dd = RegExp.$1;
    res = RegE.exec(DateIn.toLocaleString());
    DateResult[7] = DateResult.dddd = RegExp.$1;
    DateResult[8] = DateResult.HH = TwoDigit(DateIn.getHours());
    DateResult[9] = DateResult.HM = TwoDigit(DateIn.getMinutes());
    DateResult[10] = DateResult.HS = TwoDigit(DateIn.getSeconds());
    res = /(\w+)$/.exec(DateIn.toLocaleString());
    DateResult[11] = DateResult.AMPM = RegExp.$1;
    DateResult[12] = DateResult.SEC70 = DateIn.getTime();
    DateResult[13] = DateResult.GMT= DateIn.toGMTString();
    return DateResult;
}

// ***********************************************
function NbDaysOfMonth (Year, Month)
{
    switch(parseFloat(Month))
    {
        case 2: return ( ((Year % 4 == 0) && ((! (Year % 100 == 0)) || (Year % 400 == 0) ) ) ? 29 : 28);
        case 4:; case 6:; case 9:; case 11: return 30;
        case 1:; case 3:; case 5:; case 7:; case 8:; case 10:; case 12: return 31;
        default: return -1;
    }
}

// ***********************************************
function GetMonthName(Month, little)
{
    var MonthName = new Array("January","February","March","April","May","June","July","August","September","October","November","December" );
    return (little)?MonthName[parseInt(Month)].substring(0,3):MonthName[parseInt(Month)];
}

// ***********************************************
function GetMonthNum(Month)
{
    var MonthName = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");
        for (Y=0; Y<12; Y++)
            if (MonthName[Y] == Month.substring(0,3).toUpperCase()) 
                return Y;
}

// ***********************************************
function GetDayName (Day, little)
{
    var DayName= new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
    return (little)?DayName[parseInt(Day)].substring(0,3):DayName[parseInt(Day)];
}

// ***********************************************
function GetDayNum (Day)
{
    var DayName= new Array("SUN","MON","TUE","WED","THU","FRI","SAT");
        for (Y=0; Y<7; Y++)
            if (DayName[Y] == Day.substring(0,3).toUpperCase()) 
                return Y;
}

 

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