Calendar.GetDaysInMonth Methode

public:
 virtual int GetDaysInMonth(int year, int month);

public virtual int GetDaysInMonth(int year, int month);

abstract member GetDaysInMonth : int * int -> int
override this.GetDaysInMonth : int * int -> int

Public Overridable Function GetDaysInMonth (year As Integer, month As Integer) As Integer

Parameter

Gibt zurück

Die Anzahl der Tage im angegebenen Monat im angegebenen Jahr in der aktuellen Ära.

Ausnahmen

Beispiele

Im folgenden Codebeispiel werden verschiedene Implementierungen der Calendar Klasse verglichen.

using System;
using System.Globalization;

public class SamplesCalendar  {

   public static void Main()  {

      // Creates an instance of every Calendar type.
      Calendar[] myCals = new Calendar[8];
      myCals[0] = new GregorianCalendar();
      myCals[1] = new HebrewCalendar();
      myCals[2] = new HijriCalendar();
      myCals[3] = new JapaneseCalendar();
      myCals[4] = new JulianCalendar();
      myCals[5] = new KoreanCalendar();
      myCals[6] = new TaiwanCalendar();
      myCals[7] = new ThaiBuddhistCalendar();

      // For each calendar, displays the current year, the number of months in that year,
      // and the number of days in each month of that year.
      int i, j, iYear, iMonth, iDay;
      DateTime myDT = DateTime.Today;

      for ( i = 0; i < myCals.Length; i++ )  {
         iYear = myCals[i].GetYear( myDT );
         Console.WriteLine();
         Console.WriteLine( "{0}, Year: {1}", myCals[i].GetType(), myCals[i].GetYear( myDT ) );
         Console.WriteLine( "   MonthsInYear: {0}", myCals[i].GetMonthsInYear( iYear ) );
         Console.WriteLine( "   DaysInYear: {0}", myCals[i].GetDaysInYear( iYear ) );
         Console.WriteLine( "   Days in each month:" );
         Console.Write( "      " );

         for ( j = 1; j <= myCals[i].GetMonthsInYear( iYear ); j++ )
            Console.Write( " {0,-5}", myCals[i].GetDaysInMonth( iYear, j ) );
         Console.WriteLine();

         iMonth = myCals[i].GetMonth( myDT );
         iDay = myCals[i].GetDayOfMonth( myDT );
         Console.WriteLine( "   IsLeapDay:   {0}", myCals[i].IsLeapDay( iYear, iMonth, iDay ) );
         Console.WriteLine( "   IsLeapMonth: {0}", myCals[i].IsLeapMonth( iYear, iMonth ) );
         Console.WriteLine( "   IsLeapYear:  {0}", myCals[i].IsLeapYear( iYear ) );
      }
   }
}


/*
This code produces the following output.  The results vary depending on the date.

System.Globalization.GregorianCalendar, Year: 2002
   MonthsInYear: 12
   DaysInYear: 365
   Days in each month:
       31    28    31    30    31    30    31    31    30    31    30    31
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  False

System.Globalization.HebrewCalendar, Year: 5763
   MonthsInYear: 13
   DaysInYear: 385
   Days in each month:
       30    30    30    29    30    30    29    30    29    30    29    30    29
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  True

System.Globalization.HijriCalendar, Year: 1423
   MonthsInYear: 12
   DaysInYear: 355
   Days in each month:
       30    29    30    29    30    29    30    29    30    29    30    30
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  True

System.Globalization.JapaneseCalendar, Year: 14
   MonthsInYear: 12
   DaysInYear: 365
   Days in each month:
       31    28    31    30    31    30    31    31    30    31    30    31
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  False

System.Globalization.JulianCalendar, Year: 2002
   MonthsInYear: 12
   DaysInYear: 365
   Days in each month:
       31    28    31    30    31    30    31    31    30    31    30    31
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  False

System.Globalization.KoreanCalendar, Year: 4335
   MonthsInYear: 12
   DaysInYear: 365
   Days in each month:
       31    28    31    30    31    30    31    31    30    31    30    31
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  False

System.Globalization.TaiwanCalendar, Year: 91
   MonthsInYear: 12
   DaysInYear: 365
   Days in each month:
       31    28    31    30    31    30    31    31    30    31    30    31
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  False

System.Globalization.ThaiBuddhistCalendar, Year: 2545
   MonthsInYear: 12
   DaysInYear: 365
   Days in each month:
       31    28    31    30    31    30    31    31    30    31    30    31
   IsLeapDay:   False
   IsLeapMonth: False
   IsLeapYear:  False

*/

Imports System.Globalization


Public Class SamplesCalendar   

   Public Shared Sub Main()

      ' Creates an instance of every Calendar type.
      Dim myCals(7) As Calendar
      myCals(0) = New GregorianCalendar()
      myCals(1) = New HebrewCalendar()
      myCals(2) = New HijriCalendar()
      myCals(3) = New JapaneseCalendar()
      myCals(4) = New JulianCalendar()
      myCals(5) = New KoreanCalendar()
      myCals(6) = New TaiwanCalendar()
      myCals(7) = New ThaiBuddhistCalendar()

      ' For each calendar, displays the current year, the number of months in that year,
      ' and the number of days in each month of that year.
      Dim i, j, iYear, iMonth, iDay As Integer
      Dim myDT As DateTime = DateTime.Today

      For i = 0 To myCals.Length - 1
         iYear = myCals(i).GetYear(myDT)
         Console.WriteLine()
         Console.WriteLine("{0}, Year: {1}", myCals(i).GetType(), myCals(i).GetYear(myDT))
         Console.WriteLine("   MonthsInYear: {0}", myCals(i).GetMonthsInYear(iYear))
         Console.WriteLine("   DaysInYear: {0}", myCals(i).GetDaysInYear(iYear))
         Console.WriteLine("   Days in each month:")
         Console.Write("      ")
         
         For j = 1 To myCals(i).GetMonthsInYear(iYear)
            Console.Write(" {0,-5}", myCals(i).GetDaysInMonth(iYear, j))
         Next j
         Console.WriteLine()
         
         iMonth = myCals(i).GetMonth(myDT)
         iDay = myCals(i).GetDayOfMonth(myDT)
         Console.WriteLine("   IsLeapDay:   {0}", myCals(i).IsLeapDay(iYear, iMonth, iDay))
         Console.WriteLine("   IsLeapMonth: {0}", myCals(i).IsLeapMonth(iYear, iMonth))
         Console.WriteLine("   IsLeapYear:  {0}", myCals(i).IsLeapYear(iYear))
      Next i 

   End Sub

End Class


'This code produces the following output.  The results vary depending on the date.
'
'System.Globalization.GregorianCalendar, Year: 2002
'   MonthsInYear: 12
'   DaysInYear: 365
'   Days in each month:
'       31    28    31    30    31    30    31    31    30    31    30    31   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  False
'
'System.Globalization.HebrewCalendar, Year: 5763
'   MonthsInYear: 13
'   DaysInYear: 385
'   Days in each month:
'       30    30    30    29    30    30    29    30    29    30    29    30    29   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  True
'
'System.Globalization.HijriCalendar, Year: 1423
'   MonthsInYear: 12
'   DaysInYear: 355
'   Days in each month:
'       30    29    30    29    30    29    30    29    30    29    30    30   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  True
'
'System.Globalization.JapaneseCalendar, Year: 14
'   MonthsInYear: 12
'   DaysInYear: 365
'   Days in each month:
'       31    28    31    30    31    30    31    31    30    31    30    31   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  False
'
'System.Globalization.JulianCalendar, Year: 2002
'   MonthsInYear: 12
'   DaysInYear: 365
'   Days in each month:
'       31    28    31    30    31    30    31    31    30    31    30    31   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  False
'
'System.Globalization.KoreanCalendar, Year: 4335
'   MonthsInYear: 12
'   DaysInYear: 365
'   Days in each month:
'       31    28    31    30    31    30    31    31    30    31    30    31   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  False
'
'System.Globalization.TaiwanCalendar, Year: 91
'   MonthsInYear: 12
'   DaysInYear: 365
'   Days in each month:
'       31    28    31    30    31    30    31    31    30    31    30    31   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  False
'
'System.Globalization.ThaiBuddhistCalendar, Year: 2545
'   MonthsInYear: 12
'   DaysInYear: 365
'   Days in each month:
'       31    28    31    30    31    30    31    31    30    31    30    31   
'   IsLeapDay:   False
'   IsLeapMonth: False
'   IsLeapYear:  False

Hinweise

In , GregorianCalendarGetDaysInMonth für Februar gibt beispielsweise 28 in einem gemeinsamen Jahr oder 29 in einem Schaltjahr zurück.

Weitere Informationen

• GregorianCalendar
• GetMonthsInYear(Int32)
• GetDaysInYear(Int32)

public:
 abstract int GetDaysInMonth(int year, int month, int era);

public abstract int GetDaysInMonth(int year, int month, int era);

abstract member GetDaysInMonth : int * int * int -> int

Public MustOverride Function GetDaysInMonth (year As Integer, month As Integer, era As Integer) As Integer

Parameter

Gibt zurück

Die Anzahl der Tage im angegebenen Monat im angegebenen Jahr in der angegebenen Ära.

Ausnahmen

Hinweise

In , GregorianCalendarGetDaysInMonth für Februar gibt beispielsweise 28 in einem gemeinsamen Jahr oder 29 in einem Schaltjahr zurück.

Hinweise für Ausführende

Die abgeleitete Klasse muss unterstützt CurrentEra werden, wenn sie als era Parameter übergeben wird. Eine Möglichkeit zur Unterstützung CurrentEra besteht darin, ihn durch den in gespeicherten Eras[0]Wert zu ersetzen, bei dem es sich um den Wert für die aktuelle Ära des Kalenders handelt.

Weitere Informationen

• GregorianCalendar
• CurrentEra
• Eras
• GetMonthsInYear(Int32)
• GetDaysInYear(Int32)