Console.Write 方法

定義

命名空間:

System

組件:

System.Console.dll

將指定之值的文字表示寫入標準輸出資料流。

多載

Write(String, Object, Object, Object)	使用指定的格式資訊，將指定之物件的文字表示寫入標準輸出資料流。
Write(String, Object, Object)	使用指定的格式資訊，將指定之物件的文字表示寫入標準輸出資料流。
Write(String, Object[])	使用指定的格式資訊，將指定之物件陣列的文字表示寫入標準輸出資料流。
Write(String, Object)	使用指定的格式資訊，將指定之物件的文字表示寫入標準輸出資料流。
Write(UInt64)	將指定 64 位元不帶正負號整數值的文字表示寫入標準輸出資料流。
Write(UInt32)	將指定 32 位元不帶正負號整數值的文字表示寫入標準輸出資料流。
Write(String)	將指定的字串值寫入標準輸出資料流。
Write(Char[], Int32, Int32)	將指定的 Unicode 字元子陣列寫入標準輸出資料流。
Write(Object)	將指定物件的文字表示寫入標準輸出資料流。
Write(Single)	將指定的單精確度浮點數值的文字表示寫入標準輸出資料流。
Write(Char)	將指定的 Unicode 字元值寫入標準輸出資料流。
Write(Char[])	將指定的 Unicode 字元陣列寫入標準輸出資料流。
Write(Boolean)	將指定布林值 (Boolean) 的文字表示寫入標準輸出資料流。
Write(Double)	將指定的雙精確度浮點數值的文字表示寫入標準輸出資料流。
Write(Int32)	將指定 32 位元帶正負號整數值的文字表示寫入標準輸出資料流。
Write(Int64)	將指定 64 位元帶正負號整數值的文字表示寫入標準輸出資料流。
Write(Decimal)	將指定 Decimal 值的表示文字寫入標準輸出資料流。

Write(String, Object, Object, Object)

Source:

Console.cs

使用指定的格式資訊，將指定之物件的文字表示寫入標準輸出資料流。

public:
 static void Write(System::String ^ format, System::Object ^ arg0, System::Object ^ arg1, System::Object ^ arg2);

public static void Write (string format, object? arg0, object? arg1, object? arg2);

static member Write : string * obj * obj * obj -> unit

Public Shared Sub Write (format As String, arg0 As Object, arg1 As Object, arg2 As Object)

參數

format

String

複合格式字串。

arg0

Object

第一個物件，使用 format 寫入。

arg1

Object

第二個物件，使用 format 寫入。

arg2

Object

第三個物件，使用 format 寫入。

例外狀況

IOException

發生 I/O 錯誤。

ArgumentNullException

format 為 null。

FormatException

format 中的格式規格無效。

範例

下列範例會使用 WriteLine 方法，示範數字、日期和列舉型別的標準格式化規範。

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

using namespace System;

public enum class Color {Yellow = 1, Blue, Green};

int main() 
{
    DateTime thisDate = DateTime::Now;
    Console::Clear();

    // Format a negative integer or floating-point number in various ways.
    Console::WriteLine("Standard Numeric Format Specifiers");
    Console::WriteLine(
        "(C) Currency: . . . . . . . . {0:C}\n" +
        "(D) Decimal:. . . . . . . . . {0:D}\n" +
        "(E) Scientific: . . . . . . . {1:E}\n" +
        "(F) Fixed point:. . . . . . . {1:F}\n" +
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(N) Number: . . . . . . . . . {0:N}\n" +
        "(P) Percent:. . . . . . . . . {1:P}\n" +
        "(R) Round-trip: . . . . . . . {1:R}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n",
        -123, -123.45f); 

    // Format the current date in various ways.
    Console::WriteLine("Standard DateTime Format Specifiers");
    Console::WriteLine(
        "(d) Short date: . . . . . . . {0:d}\n" +
        "(D) Long date:. . . . . . . . {0:D}\n" +
        "(t) Short time: . . . . . . . {0:t}\n" +
        "(T) Long time:. . . . . . . . {0:T}\n" +
        "(f) Full date/short time: . . {0:f}\n" +
        "(F) Full date/long time:. . . {0:F}\n" +
        "(g) General date/short time:. {0:g}\n" +
        "(G) General date/long time: . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(M) Month:. . . . . . . . . . {0:M}\n" +
        "(R) RFC1123:. . . . . . . . . {0:R}\n" +
        "(s) Sortable: . . . . . . . . {0:s}\n" +
        "(u) Universal sortable: . . . {0:u} (invariant)\n" +
        "(U) Universal full date/time: {0:U}\n" +
        "(Y) Year: . . . . . . . . . . {0:Y}\n", 
        thisDate);

    // Format a Color enumeration value in various ways.
    Console::WriteLine("Standard Enumeration Format Specifiers");
    Console::WriteLine(
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
        "(D) Decimal number: . . . . . {0:D}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n", 
        Color::Green);       

};


/*
This code example produces the following results:

Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
(default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85

Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
(default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004

Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
(default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003

*/

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

using System;
class Sample
{
    enum Color {Yellow = 1, Blue, Green};
    static DateTime thisDate = DateTime.Now;

    public static void Main()
    {
        Console.Clear();

        // Format a negative integer or floating-point number in various ways.
        Console.WriteLine("Standard Numeric Format Specifiers");
        Console.WriteLine(
            "(C) Currency: . . . . . . . . {0:C}\n" +
            "(D) Decimal:. . . . . . . . . {0:D}\n" +
            "(E) Scientific: . . . . . . . {1:E}\n" +
            "(F) Fixed point:. . . . . . . {1:F}\n" +
            "(G) General:. . . . . . . . . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(N) Number: . . . . . . . . . {0:N}\n" +
            "(P) Percent:. . . . . . . . . {1:P}\n" +
            "(R) Round-trip: . . . . . . . {1:R}\n" +
            "(X) Hexadecimal:. . . . . . . {0:X}\n",
            -123, -123.45f);

        // Format the current date in various ways.
        Console.WriteLine("Standard DateTime Format Specifiers");
        Console.WriteLine(
            "(d) Short date: . . . . . . . {0:d}\n" +
            "(D) Long date:. . . . . . . . {0:D}\n" +
            "(t) Short time: . . . . . . . {0:t}\n" +
            "(T) Long time:. . . . . . . . {0:T}\n" +
            "(f) Full date/short time: . . {0:f}\n" +
            "(F) Full date/long time:. . . {0:F}\n" +
            "(g) General date/short time:. {0:g}\n" +
            "(G) General date/long time: . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(M) Month:. . . . . . . . . . {0:M}\n" +
            "(R) RFC1123:. . . . . . . . . {0:R}\n" +
            "(s) Sortable: . . . . . . . . {0:s}\n" +
            "(u) Universal sortable: . . . {0:u} (invariant)\n" +
            "(U) Universal full date/time: {0:U}\n" +
            "(Y) Year: . . . . . . . . . . {0:Y}\n",
            thisDate);

        // Format a Color enumeration value in various ways.
        Console.WriteLine("Standard Enumeration Format Specifiers");
        Console.WriteLine(
            "(G) General:. . . . . . . . . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
            "(D) Decimal number: . . . . . {0:D}\n" +
            "(X) Hexadecimal:. . . . . . . {0:X}\n",
            Color.Green);
    }
}
/*
This code example produces the following results:

Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
    (default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85

Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004

Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
    (default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003

*/

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

open System

type Color = 
    | Yellow = 1
    | Blue = 2
    | Green = 3

let thisDate = DateTime.Now

Console.Clear()

// Format a negative integer or floating-point number in various ways.
Console.WriteLine "Standard Numeric Format Specifiers"
Console.WriteLine(
    "(C) Currency: . . . . . . . . {0:C}\n" +
    "(D) Decimal:. . . . . . . . . {0:D}\n" +
    "(E) Scientific: . . . . . . . {1:E}\n" +
    "(F) Fixed point:. . . . . . . {1:F}\n" +
    "(G) General:. . . . . . . . . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(N) Number: . . . . . . . . . {0:N}\n" +
    "(P) Percent:. . . . . . . . . {1:P}\n" +
    "(R) Round-trip: . . . . . . . {1:R}\n" +
    "(X) Hexadecimal:. . . . . . . {0:X}\n",
    -123, -123.45f)

// Format the current date in various ways.
Console.WriteLine "Standard DateTime Format Specifiers"
Console.WriteLine(
    "(d) Short date: . . . . . . . {0:d}\n" +
    "(D) Long date:. . . . . . . . {0:D}\n" +
    "(t) Short time: . . . . . . . {0:t}\n" +
    "(T) Long time:. . . . . . . . {0:T}\n" +
    "(f) Full date/short time: . . {0:f}\n" +
    "(F) Full date/long time:. . . {0:F}\n" +
    "(g) General date/short time:. {0:g}\n" +
    "(G) General date/long time: . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(M) Month:. . . . . . . . . . {0:M}\n" +
    "(R) RFC1123:. . . . . . . . . {0:R}\n" +
    "(s) Sortable: . . . . . . . . {0:s}\n" +
    "(u) Universal sortable: . . . {0:u} (invariant)\n" +
    "(U) Universal full date/time: {0:U}\n" +
    "(Y) Year: . . . . . . . . . . {0:Y}\n",
    thisDate)

// Format a Color enumeration value in various ways.
Console.WriteLine "Standard Enumeration Format Specifiers"
Console.WriteLine(
    "(G) General:. . . . . . . . . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
    "(D) Decimal number: . . . . . {0:D}\n" +
    "(X) Hexadecimal:. . . . . . . {0:X}\n",
    Color.Green)


// This code example produces the following results:
//
// Standard Numeric Format Specifiers
// (C) Currency: . . . . . . . . ($123.00)
// (D) Decimal:. . . . . . . . . -123
// (E) Scientific: . . . . . . . -1.234500E+002
// (F) Fixed point:. . . . . . . -123.45
// (G) General:. . . . . . . . . -123
//     (default):. . . . . . . . -123 (default = 'G')
// (N) Number: . . . . . . . . . -123.00
// (P) Percent:. . . . . . . . . -12,345.00 %
// (R) Round-trip: . . . . . . . -123.45
// (X) Hexadecimal:. . . . . . . FFFFFF85
//
// Standard DateTime Format Specifiers
// (d) Short date: . . . . . . . 6/26/2004
// (D) Long date:. . . . . . . . Saturday, June 26, 2004
// (t) Short time: . . . . . . . 8:11 PM
// (T) Long time:. . . . . . . . 8:11:04 PM
// (f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
// (F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
// (g) General date/short time:. 6/26/2004 8:11 PM
// (G) General date/long time: . 6/26/2004 8:11:04 PM
//     (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
// (M) Month:. . . . . . . . . . June 26
// (R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
// (s) Sortable: . . . . . . . . 2004-06-26T20:11:04
// (u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
// (U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
// (Y) Year: . . . . . . . . . . June, 2004
//
// Standard Enumeration Format Specifiers
// (G) General:. . . . . . . . . Green
//     (default):. . . . . . . . Green (default = 'G')
// (F) Flags:. . . . . . . . . . Green (flags or integer)
// (D) Decimal number: . . . . . 3
// (X) Hexadecimal:. . . . . . . 00000003

' This code example demonstrates the Console.WriteLine() method.
' Formatting for this example uses the "en-US" culture.

Class Sample
   Public Enum Color
      Yellow = 1
      Blue = 2
      Green = 3
   End Enum 'Color
   Private Shared thisDate As DateTime = DateTime.Now
   
   Public Shared Sub Main()
      Console.Clear()

      ' Format a negative integer or floating-point number in various ways.
      Console.WriteLine("Standard Numeric Format Specifiers")
      Console.WriteLine("(C) Currency: . . . . . . . . {0:C}" & vbCrLf & _
                        "(D) Decimal:. . . . . . . . . {0:D}" & vbCrLf & _
                        "(E) Scientific: . . . . . . . {1:E}" & vbCrLf & _
                        "(F) Fixed point:. . . . . . . {1:F}" & vbCrLf & _
                        "(G) General:. . . . . . . . . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(N) Number: . . . . . . . . . {0:N}" & vbCrLf & _
                        "(P) Percent:. . . . . . . . . {1:P}" & vbCrLf & _
                        "(R) Round-trip: . . . . . . . {1:R}" & vbCrLf & _
                        "(X) Hexadecimal:. . . . . . . {0:X}" & vbCrLf, _
                        - 123, - 123.45F)

      ' Format the current date in various ways.
      Console.WriteLine("Standard DateTime Format Specifiers")
      Console.WriteLine("(d) Short date: . . . . . . . {0:d}" & vbCrLf & _
                        "(D) Long date:. . . . . . . . {0:D}" & vbCrLf & _
                        "(t) Short time: . . . . . . . {0:t}" & vbCrLf & _
                        "(T) Long time:. . . . . . . . {0:T}" & vbCrLf & _
                        "(f) Full date/short time: . . {0:f}" & vbCrLf & _
                        "(F) Full date/long time:. . . {0:F}" & vbCrLf & _
                        "(g) General date/short time:. {0:g}" & vbCrLf & _
                        "(G) General date/long time: . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(M) Month:. . . . . . . . . . {0:M}" & vbCrLf & _
                        "(R) RFC1123:. . . . . . . . . {0:R}" & vbCrLf & _
                        "(s) Sortable: . . . . . . . . {0:s}" & vbCrLf & _
                        "(u) Universal sortable: . . . {0:u} (invariant)" & vbCrLf & _
                        "(U) Universal full date/time: {0:U}" & vbCrLf & _
                        "(Y) Year: . . . . . . . . . . {0:Y}" & vbCrLf, _
                        thisDate)

      ' Format a Color enumeration value in various ways.
      Console.WriteLine("Standard Enumeration Format Specifiers")
      Console.WriteLine("(G) General:. . . . . . . . . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)" & vbCrLf & _
                        "(D) Decimal number: . . . . . {0:D}" & vbCrLf & _
                        "(X) Hexadecimal:. . . . . . . {0:X}" & vbCrLf, _
                        Color.Green)
   End Sub
End Class
'
'This code example produces the following results:
'
'Standard Numeric Format Specifiers
'(C) Currency: . . . . . . . . ($123.00)
'(D) Decimal:. . . . . . . . . -123
'(E) Scientific: . . . . . . . -1.234500E+002
'(F) Fixed point:. . . . . . . -123.45
'(G) General:. . . . . . . . . -123
'    (default):. . . . . . . . -123 (default = 'G')
'(N) Number: . . . . . . . . . -123.00
'(P) Percent:. . . . . . . . . -12,345.00 %
'(R) Round-trip: . . . . . . . -123.45
'(X) Hexadecimal:. . . . . . . FFFFFF85
'
'Standard DateTime Format Specifiers
'(d) Short date: . . . . . . . 6/26/2004
'(D) Long date:. . . . . . . . Saturday, June 26, 2004
'(t) Short time: . . . . . . . 8:11 PM
'(T) Long time:. . . . . . . . 8:11:04 PM
'(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
'(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
'(g) General date/short time:. 6/26/2004 8:11 PM
'(G) General date/long time: . 6/26/2004 8:11:04 PM
'    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
'(M) Month:. . . . . . . . . . June 26
'(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
'(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
'(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
'(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
'(Y) Year: . . . . . . . . . . June, 2004
'
'Standard Enumeration Format Specifiers
'(G) General:. . . . . . . . . Green
'    (default):. . . . . . . . Green (default = 'G')
'(F) Flags:. . . . . . . . . . Green (flags or integer)
'(D) Decimal number: . . . . . 3
'(X) Hexadecimal:. . . . . . . 00000003
'

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

這個方法會使用 .NET 的 複合格式功能 ，將物件的值轉換成其文字表示，並將該表示內嵌在字串中。 產生的字串會寫入輸出資料流程。

參數 format 是由零或多個文字執行所組成，這些文字與零個或多個索引預留位置混合，稱為格式專案，對應至此方法參數清單中的物件。 格式設定程式會將每個格式專案取代為對應物件值的文字表示。

格式專案的語法是 {index[ ,alignment][ :formatString] } ，它會指定強制索引、格式化文字的選擇性長度和對齊方式，以及控制對應物件值格式化方式之格式規範字符的選擇性字串。

.NET 提供廣泛的格式支援，如下列格式主題中更詳細地說明。

• 如需 、 AppendFormat 等方法 Format 所支援之複合格式功能的詳細資訊，以及 的 WriteLine 一些多載，請參閱複合格式設定。

• 如需數值格式規範的詳細資訊，請參閱 標準數值格式字串 和 自訂數值格式字串。

• 如需日期和時間格式規範的詳細資訊，請參閱 標準日期和時間格式字串 和 自訂日期和時間格式字串。

• 如需列舉格式規範的詳細資訊，請參閱 列舉格式字串。

• 如需格式化的詳細資訊，請參閱 格式化類型。

另請參閱

• Read()
• ReadLine()
• WriteLine()
• 在 .NET 中將類型格式化
• 複合格式

Write(String, Object, Object)

Source:

Console.cs

使用指定的格式資訊，將指定之物件的文字表示寫入標準輸出資料流。

public:
 static void Write(System::String ^ format, System::Object ^ arg0, System::Object ^ arg1);

public static void Write (string format, object? arg0, object? arg1);

static member Write : string * obj * obj -> unit

Public Shared Sub Write (format As String, arg0 As Object, arg1 As Object)

參數

format

String

複合格式字串。

arg0

Object

第一個物件，使用 format 寫入。

arg1

Object

第二個物件，使用 format 寫入。

例外狀況

IOException

發生 I/O 錯誤。

ArgumentNullException

format 為 null。

FormatException

format 中的格式規格無效。

範例

下列範例會使用 WriteLine 方法，示範數字、日期和列舉型別的標準格式化規範。

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

using namespace System;

public enum class Color {Yellow = 1, Blue, Green};

int main() 
{
    DateTime thisDate = DateTime::Now;
    Console::Clear();

    // Format a negative integer or floating-point number in various ways.
    Console::WriteLine("Standard Numeric Format Specifiers");
    Console::WriteLine(
        "(C) Currency: . . . . . . . . {0:C}\n" +
        "(D) Decimal:. . . . . . . . . {0:D}\n" +
        "(E) Scientific: . . . . . . . {1:E}\n" +
        "(F) Fixed point:. . . . . . . {1:F}\n" +
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(N) Number: . . . . . . . . . {0:N}\n" +
        "(P) Percent:. . . . . . . . . {1:P}\n" +
        "(R) Round-trip: . . . . . . . {1:R}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n",
        -123, -123.45f); 

    // Format the current date in various ways.
    Console::WriteLine("Standard DateTime Format Specifiers");
    Console::WriteLine(
        "(d) Short date: . . . . . . . {0:d}\n" +
        "(D) Long date:. . . . . . . . {0:D}\n" +
        "(t) Short time: . . . . . . . {0:t}\n" +
        "(T) Long time:. . . . . . . . {0:T}\n" +
        "(f) Full date/short time: . . {0:f}\n" +
        "(F) Full date/long time:. . . {0:F}\n" +
        "(g) General date/short time:. {0:g}\n" +
        "(G) General date/long time: . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(M) Month:. . . . . . . . . . {0:M}\n" +
        "(R) RFC1123:. . . . . . . . . {0:R}\n" +
        "(s) Sortable: . . . . . . . . {0:s}\n" +
        "(u) Universal sortable: . . . {0:u} (invariant)\n" +
        "(U) Universal full date/time: {0:U}\n" +
        "(Y) Year: . . . . . . . . . . {0:Y}\n", 
        thisDate);

    // Format a Color enumeration value in various ways.
    Console::WriteLine("Standard Enumeration Format Specifiers");
    Console::WriteLine(
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
        "(D) Decimal number: . . . . . {0:D}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n", 
        Color::Green);       

};


/*
This code example produces the following results:

Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
(default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85

Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
(default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004

Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
(default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003

*/

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

using System;
class Sample
{
    enum Color {Yellow = 1, Blue, Green};
    static DateTime thisDate = DateTime.Now;

    public static void Main()
    {
        Console.Clear();

        // Format a negative integer or floating-point number in various ways.
        Console.WriteLine("Standard Numeric Format Specifiers");
        Console.WriteLine(
            "(C) Currency: . . . . . . . . {0:C}\n" +
            "(D) Decimal:. . . . . . . . . {0:D}\n" +
            "(E) Scientific: . . . . . . . {1:E}\n" +
            "(F) Fixed point:. . . . . . . {1:F}\n" +
            "(G) General:. . . . . . . . . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(N) Number: . . . . . . . . . {0:N}\n" +
            "(P) Percent:. . . . . . . . . {1:P}\n" +
            "(R) Round-trip: . . . . . . . {1:R}\n" +
            "(X) Hexadecimal:. . . . . . . {0:X}\n",
            -123, -123.45f);

        // Format the current date in various ways.
        Console.WriteLine("Standard DateTime Format Specifiers");
        Console.WriteLine(
            "(d) Short date: . . . . . . . {0:d}\n" +
            "(D) Long date:. . . . . . . . {0:D}\n" +
            "(t) Short time: . . . . . . . {0:t}\n" +
            "(T) Long time:. . . . . . . . {0:T}\n" +
            "(f) Full date/short time: . . {0:f}\n" +
            "(F) Full date/long time:. . . {0:F}\n" +
            "(g) General date/short time:. {0:g}\n" +
            "(G) General date/long time: . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(M) Month:. . . . . . . . . . {0:M}\n" +
            "(R) RFC1123:. . . . . . . . . {0:R}\n" +
            "(s) Sortable: . . . . . . . . {0:s}\n" +
            "(u) Universal sortable: . . . {0:u} (invariant)\n" +
            "(U) Universal full date/time: {0:U}\n" +
            "(Y) Year: . . . . . . . . . . {0:Y}\n",
            thisDate);

        // Format a Color enumeration value in various ways.
        Console.WriteLine("Standard Enumeration Format Specifiers");
        Console.WriteLine(
            "(G) General:. . . . . . . . . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
            "(D) Decimal number: . . . . . {0:D}\n" +
            "(X) Hexadecimal:. . . . . . . {0:X}\n",
            Color.Green);
    }
}
/*
This code example produces the following results:

Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
    (default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85

Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004

Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
    (default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003

*/

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

open System

type Color = 
    | Yellow = 1
    | Blue = 2
    | Green = 3

let thisDate = DateTime.Now

Console.Clear()

// Format a negative integer or floating-point number in various ways.
Console.WriteLine "Standard Numeric Format Specifiers"
Console.WriteLine(
    "(C) Currency: . . . . . . . . {0:C}\n" +
    "(D) Decimal:. . . . . . . . . {0:D}\n" +
    "(E) Scientific: . . . . . . . {1:E}\n" +
    "(F) Fixed point:. . . . . . . {1:F}\n" +
    "(G) General:. . . . . . . . . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(N) Number: . . . . . . . . . {0:N}\n" +
    "(P) Percent:. . . . . . . . . {1:P}\n" +
    "(R) Round-trip: . . . . . . . {1:R}\n" +
    "(X) Hexadecimal:. . . . . . . {0:X}\n",
    -123, -123.45f)

// Format the current date in various ways.
Console.WriteLine "Standard DateTime Format Specifiers"
Console.WriteLine(
    "(d) Short date: . . . . . . . {0:d}\n" +
    "(D) Long date:. . . . . . . . {0:D}\n" +
    "(t) Short time: . . . . . . . {0:t}\n" +
    "(T) Long time:. . . . . . . . {0:T}\n" +
    "(f) Full date/short time: . . {0:f}\n" +
    "(F) Full date/long time:. . . {0:F}\n" +
    "(g) General date/short time:. {0:g}\n" +
    "(G) General date/long time: . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(M) Month:. . . . . . . . . . {0:M}\n" +
    "(R) RFC1123:. . . . . . . . . {0:R}\n" +
    "(s) Sortable: . . . . . . . . {0:s}\n" +
    "(u) Universal sortable: . . . {0:u} (invariant)\n" +
    "(U) Universal full date/time: {0:U}\n" +
    "(Y) Year: . . . . . . . . . . {0:Y}\n",
    thisDate)

// Format a Color enumeration value in various ways.
Console.WriteLine "Standard Enumeration Format Specifiers"
Console.WriteLine(
    "(G) General:. . . . . . . . . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
    "(D) Decimal number: . . . . . {0:D}\n" +
    "(X) Hexadecimal:. . . . . . . {0:X}\n",
    Color.Green)


// This code example produces the following results:
//
// Standard Numeric Format Specifiers
// (C) Currency: . . . . . . . . ($123.00)
// (D) Decimal:. . . . . . . . . -123
// (E) Scientific: . . . . . . . -1.234500E+002
// (F) Fixed point:. . . . . . . -123.45
// (G) General:. . . . . . . . . -123
//     (default):. . . . . . . . -123 (default = 'G')
// (N) Number: . . . . . . . . . -123.00
// (P) Percent:. . . . . . . . . -12,345.00 %
// (R) Round-trip: . . . . . . . -123.45
// (X) Hexadecimal:. . . . . . . FFFFFF85
//
// Standard DateTime Format Specifiers
// (d) Short date: . . . . . . . 6/26/2004
// (D) Long date:. . . . . . . . Saturday, June 26, 2004
// (t) Short time: . . . . . . . 8:11 PM
// (T) Long time:. . . . . . . . 8:11:04 PM
// (f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
// (F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
// (g) General date/short time:. 6/26/2004 8:11 PM
// (G) General date/long time: . 6/26/2004 8:11:04 PM
//     (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
// (M) Month:. . . . . . . . . . June 26
// (R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
// (s) Sortable: . . . . . . . . 2004-06-26T20:11:04
// (u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
// (U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
// (Y) Year: . . . . . . . . . . June, 2004
//
// Standard Enumeration Format Specifiers
// (G) General:. . . . . . . . . Green
//     (default):. . . . . . . . Green (default = 'G')
// (F) Flags:. . . . . . . . . . Green (flags or integer)
// (D) Decimal number: . . . . . 3
// (X) Hexadecimal:. . . . . . . 00000003

' This code example demonstrates the Console.WriteLine() method.
' Formatting for this example uses the "en-US" culture.

Class Sample
   Public Enum Color
      Yellow = 1
      Blue = 2
      Green = 3
   End Enum 'Color
   Private Shared thisDate As DateTime = DateTime.Now
   
   Public Shared Sub Main()
      Console.Clear()

      ' Format a negative integer or floating-point number in various ways.
      Console.WriteLine("Standard Numeric Format Specifiers")
      Console.WriteLine("(C) Currency: . . . . . . . . {0:C}" & vbCrLf & _
                        "(D) Decimal:. . . . . . . . . {0:D}" & vbCrLf & _
                        "(E) Scientific: . . . . . . . {1:E}" & vbCrLf & _
                        "(F) Fixed point:. . . . . . . {1:F}" & vbCrLf & _
                        "(G) General:. . . . . . . . . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(N) Number: . . . . . . . . . {0:N}" & vbCrLf & _
                        "(P) Percent:. . . . . . . . . {1:P}" & vbCrLf & _
                        "(R) Round-trip: . . . . . . . {1:R}" & vbCrLf & _
                        "(X) Hexadecimal:. . . . . . . {0:X}" & vbCrLf, _
                        - 123, - 123.45F)

      ' Format the current date in various ways.
      Console.WriteLine("Standard DateTime Format Specifiers")
      Console.WriteLine("(d) Short date: . . . . . . . {0:d}" & vbCrLf & _
                        "(D) Long date:. . . . . . . . {0:D}" & vbCrLf & _
                        "(t) Short time: . . . . . . . {0:t}" & vbCrLf & _
                        "(T) Long time:. . . . . . . . {0:T}" & vbCrLf & _
                        "(f) Full date/short time: . . {0:f}" & vbCrLf & _
                        "(F) Full date/long time:. . . {0:F}" & vbCrLf & _
                        "(g) General date/short time:. {0:g}" & vbCrLf & _
                        "(G) General date/long time: . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(M) Month:. . . . . . . . . . {0:M}" & vbCrLf & _
                        "(R) RFC1123:. . . . . . . . . {0:R}" & vbCrLf & _
                        "(s) Sortable: . . . . . . . . {0:s}" & vbCrLf & _
                        "(u) Universal sortable: . . . {0:u} (invariant)" & vbCrLf & _
                        "(U) Universal full date/time: {0:U}" & vbCrLf & _
                        "(Y) Year: . . . . . . . . . . {0:Y}" & vbCrLf, _
                        thisDate)

      ' Format a Color enumeration value in various ways.
      Console.WriteLine("Standard Enumeration Format Specifiers")
      Console.WriteLine("(G) General:. . . . . . . . . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)" & vbCrLf & _
                        "(D) Decimal number: . . . . . {0:D}" & vbCrLf & _
                        "(X) Hexadecimal:. . . . . . . {0:X}" & vbCrLf, _
                        Color.Green)
   End Sub
End Class
'
'This code example produces the following results:
'
'Standard Numeric Format Specifiers
'(C) Currency: . . . . . . . . ($123.00)
'(D) Decimal:. . . . . . . . . -123
'(E) Scientific: . . . . . . . -1.234500E+002
'(F) Fixed point:. . . . . . . -123.45
'(G) General:. . . . . . . . . -123
'    (default):. . . . . . . . -123 (default = 'G')
'(N) Number: . . . . . . . . . -123.00
'(P) Percent:. . . . . . . . . -12,345.00 %
'(R) Round-trip: . . . . . . . -123.45
'(X) Hexadecimal:. . . . . . . FFFFFF85
'
'Standard DateTime Format Specifiers
'(d) Short date: . . . . . . . 6/26/2004
'(D) Long date:. . . . . . . . Saturday, June 26, 2004
'(t) Short time: . . . . . . . 8:11 PM
'(T) Long time:. . . . . . . . 8:11:04 PM
'(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
'(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
'(g) General date/short time:. 6/26/2004 8:11 PM
'(G) General date/long time: . 6/26/2004 8:11:04 PM
'    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
'(M) Month:. . . . . . . . . . June 26
'(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
'(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
'(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
'(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
'(Y) Year: . . . . . . . . . . June, 2004
'
'Standard Enumeration Format Specifiers
'(G) General:. . . . . . . . . Green
'    (default):. . . . . . . . Green (default = 'G')
'(F) Flags:. . . . . . . . . . Green (flags or integer)
'(D) Decimal number: . . . . . 3
'(X) Hexadecimal:. . . . . . . 00000003
'

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

這個方法會使用 .NET 的 複合格式功能 ，將物件的值轉換成其文字表示，並將該表示內嵌在字串中。 產生的字串會寫入輸出資料流程。

參數 format 是由零或多個文字執行所組成，這些文字與零個或多個索引預留位置混合，稱為格式專案，對應至此方法參數清單中的物件。 格式設定程式會將每個格式專案取代為對應物件值的文字表示。

格式專案的語法是 {index[ ,alignment][ :formatString] } ，它會指定強制索引、格式化文字的選擇性長度和對齊方式，以及控制對應物件值格式化方式之格式規範字符的選擇性字串。

.NET 提供廣泛的格式支援，如下列格式主題中更詳細地說明。

• 如需 、 AppendFormat 等方法 Format 所支援之複合格式功能的詳細資訊，以及 的 WriteLine 一些多載，請參閱複合格式設定。

• 如需數值格式規範的詳細資訊，請參閱 標準數值格式字串 和 自訂數值格式字串。

• 如需日期和時間格式規範的詳細資訊，請參閱 標準日期和時間格式字串 和 自訂日期和時間格式字串。

• 如需列舉格式規範的詳細資訊，請參閱 列舉格式字串。

• 如需格式化的詳細資訊，請參閱 格式化類型。

另請參閱

• Read()
• ReadLine()
• WriteLine()
• 在 .NET 中將類型格式化
• 複合格式

Write(String, Object[])

Source:

Console.cs

使用指定的格式資訊，將指定之物件陣列的文字表示寫入標準輸出資料流。

public:
 static void Write(System::String ^ format, ... cli::array <System::Object ^> ^ arg);

public static void Write (string format, params object?[]? arg);

static member Write : string * obj[] -> unit

Public Shared Sub Write (format As String, ParamArray arg As Object())

參數

format

String

複合格式字串。

arg

Object[]

要使用 format 寫入的物件陣列。

例外狀況

IOException

發生 I/O 錯誤。

ArgumentNullException

format 或 arg 為 null。

FormatException

format 中的格式規格無效。

範例

下列範例會定義一個 Person 類別，其中包含一些可提供人員相關資訊的屬性。 其 GetDescription 方法會傳回陣列，其中包含除了一個以外的所有屬性值。 然後，此範例會使用 方法傳 GetDescription 回的陣列來顯示 Person 物件的值。

using System;

public class Person
{
   public String Name { get; set; }
   public DateTime BirthDate  { get; set; }
   public Double Height { get; set; }
   public Double Weight { get; set; }
   public Char Gender { get; set; }
   public String Remarks { get; set; }

   public object[] GetDescription()
   {
      return new object[] { Name, Gender, Height, Weight, BirthDate};
   }
}

public class Example
{
   public static void Main()
   {
      var p1 = new Person() { Name = "John", Gender = 'M',
                              BirthDate = new DateTime(1992, 5, 10),
                              Height = 73.5, Weight = 207 };
      p1.Remarks = "Client since 1/3/2012";
      Console.Write("{0}: {1}, born {4:d}  Height {2} inches, Weight {3} lbs  ",
                    p1.GetDescription());
      if (String.IsNullOrEmpty(p1.Remarks))
         Console.WriteLine();
      else
         Console.WriteLine("{1}Remarks: {0}", p1.Remarks,
                           Console.CursorLeft + p1.Remarks.Length + 10 > Console.WindowWidth ?
                              "\n   " : "");
   }
}
// The example displays the following output:
//    John: M, born 5/10/1992  Height 73.5 inches, Weight 207 lbs  Remarks: Client since 1/3/2012

open System

type Person =
    { Name: string
      BirthDate: DateOnly
      Height: double
      Weight: double
      Gender: char
      Remarks: string }

    member this.GetDescription(): obj [] =
        [| this.Name; this.Gender; this.Height; this.Weight; this.BirthDate |]

let p1 = 
    { Name = "John"
      Gender = 'M'
      BirthDate = DateOnly(1992, 5, 10)
      Height = 73.5
      Weight = 207
      Remarks = "Client since 1/3/2012" }

Console.Write("{0}: {1}, born {4:d}  Height {2} inches, Weight {3} lbs  ", p1.GetDescription())

if String.IsNullOrEmpty p1.Remarks then
    Console.WriteLine()
else
    Console.WriteLine $"""{if Console.CursorLeft + p1.Remarks.Length + 10 > Console.WindowWidth then "\n   " else ""}Remarks: {p1.Remarks}"""


// The example displays the following output:
//    John: M, born 5/10/1992  Height 73.5 inches, Weight 207 lbs  Remarks: Client since 1/3/2012

Public Class Person
   Public Property Name As String
   Public Property BirthDate As DateTime
   Public Property Height As Double
   Public Property Weight As Double
   Public Property Gender As Char
   Public Property Remarks As String
   
   Public Function GetDescription() As Object()
      Return { Name, Gender, Height, Weight, BirthDate}
   End Function
End Class

Module Example
   Public Sub Main()
      Dim p1 As New Person() With { .Name = "John", .Gender = "M"c,
                                    .BirthDate = New DateTime(1992, 5, 10), 
                                    .Height = 73.5, .Weight = 207 }
      p1.Remarks = "Client since 1/3/2012"
      Console.Write("{0}: {1}, born {4:d}  Height {2} inches, Weight {3} lbs  ", 
                    p1.GetDescription())
      If String.IsNullOrEmpty(p1.Remarks) Then
         Console.WriteLine()
      Else
         Console.WriteLine("{1}Remarks: {0}", p1.Remarks,
                           If(Console.CursorLeft + p1.Remarks.Length + 10 > Console.WindowWidth,
                              vbCrLf + "   ", ""))
      End If   
   End Sub
End Module
' The example displays the following output:
'   John: M, born 5/10/1992  Height 73.5 inches, Weight 207 lbs  Remarks: Client since 1/3/2012

請注意，此範例會呼叫 Write(String, Object[]) 方法，而不是 WriteLine(String, Object[]) 方法，因為它嘗試在同一行上顯示 屬性的值 Person.Remarks 。 若要這樣做，它會檢查 和 WindowWidth 屬性的值 CursorLeft ，以判斷備註是否有足夠的空間可供調整。 如果有，則會顯示該行。 如果沒有，它會寫入一行，縮排三個空格，並顯示備註。

下列範例與第一個範例相同，不同之處在于它會提供五個專案清單做為 arg 引數，而不是參數陣列。

using System;

public class Person
{
   public String Name { get; set; }
   public DateTime BirthDate  { get; set; }
   public Double Height { get; set; }
   public Double Weight { get; set; }
   public Char Gender { get; set; }
   public String Remarks { get; set; }

   public object[] GetDescription()
   {
      return new object[] { Name, Gender, Height, Weight, BirthDate};
   }
}

public class Example
{
   public static void Main()
   {
      var p1 = new Person() { Name = "John", Gender = 'M',
                              BirthDate = new DateTime(1992, 5, 10),
                              Height = 73.5, Weight = 207 };
      p1.Remarks = "Client since 1/3/2012";
      Console.Write("{0}: {1}, born {2:d}  Height {3} inches, Weight {4} lbs  ",
                    p1.Name, p1.Gender, p1.BirthDate, p1.Height, p1.Weight);
      if (String.IsNullOrEmpty(p1.Remarks))
         Console.WriteLine();
      else
         Console.WriteLine("{1}Remarks: {0}", p1.Remarks,
                           Console.CursorLeft + p1.Remarks.Length + 10 > Console.WindowWidth ?
                              "\n   " : "");
   }
}
// The example displays the following output:
//    John: M, born 5/10/1992  Height 73.5 inches, Weight 207 lbs  Remarks: Client since 1/3/2012

open System

type Person =
    { Name: string
      BirthDate: DateOnly
      Height: double
      Weight: double
      Gender: char
      Remarks: string }

    member this.GetDescription(): obj [] =
        [| this.Name; this.Gender; this.Height; this.Weight; this.BirthDate |]

let p1 = 
    { Name = "John"
      Gender = 'M'
      BirthDate = DateOnly(1992, 5, 10)
      Height = 73.5
      Weight = 207 
      Remarks = "Client since 1/3/2012" }

printf $"{p1.Name}: {p1.Gender}, born {p1.BirthDate:d}  Height {p1.Height} inches, Weight {p1.Weight} lbs  "
if String.IsNullOrEmpty p1.Remarks then
    Console.WriteLine()
else
    Console.WriteLine $"""{if Console.CursorLeft + p1.Remarks.Length + 10 > Console.WindowWidth then "\n   " else ""}Remarks: {p1.Remarks}"""


// The example displays the following output:
//    John: M, born 5/10/1992  Height 73.5 inches, Weight 207 lbs  Remarks: Client since 1/3/2012

Public Class Person
   Public Property Name As String
   Public Property BirthDate As DateTime
   Public Property Height As Double
   Public Property Weight As Double
   Public Property Gender As Char
   Public Property Remarks As String
   
   Public Function GetDescription() As Object()
      Return { Name, Gender, Height, Weight, BirthDate}
   End Function
End Class

Module Example
   Public Sub Main()
      Dim p1 As New Person() With { .Name = "John", .Gender = "M"c,
                                    .BirthDate = New DateTime(1992, 5, 10), 
                                    .Height = 73.5, .Weight = 207 }
      p1.Remarks = "Client since 1/3/2012"
      Console.Write("{0}: {1}, born {2:d}  Height {3} inches, Weight {4} lbs  ", 
                    p1.Name, p1.Gender, p1.BirthDate, p1.Height, p1.Weight)
      If String.IsNullOrEmpty(p1.Remarks) Then
         Console.WriteLine()
      Else
         Console.WriteLine("{1}Remarks: {0}", p1.Remarks,
                           If(Console.CursorLeft + p1.Remarks.Length + 10 > Console.WindowWidth,
                              vbCrLf + "   ", ""))
      End If   
   End Sub
End Module
' The example displays the following output:
'   John: M, born 5/10/1992  Height 73.5 inches, Weight 207 lbs  Remarks: Client since 1/3/2012

備註

這個方法會使用 .NET 的 複合格式功能 ，將物件的值轉換成其文字表示，並將該表示內嵌在字串中。 產生的字串會寫入輸出資料流程。

參數 format 是由零或多個文字執行所組成，這些文字與零個或多個索引預留位置混合，稱為格式專案，對應至此方法參數清單中的物件。 格式設定程式會將每個格式專案取代為對應物件值的文字表示。

格式專案的語法是 {index[ ,alignment][ :formatString] } ，它會指定強制索引、格式化文字的選擇性長度和對齊方式，以及控制對應物件值格式化方式之格式規範字符的選擇性字串。

.NET 提供廣泛的格式支援，如下列格式主題中更詳細地說明。

• 如需 、 AppendFormat 等方法 Format 所支援之複合格式功能的詳細資訊，以及 的 WriteLine 一些多載，請參閱複合格式設定。

• 如需數值格式規範的詳細資訊，請參閱 標準數值格式字串 和 自訂數值格式字串。

• 如需日期和時間格式規範的詳細資訊，請參閱 標準日期和時間格式字串 和 自訂日期和時間格式字串。

• 如需列舉格式規範的詳細資訊，請參閱 列舉格式字串。

• 如需格式化的詳細資訊，請參閱 格式化類型。

參數 arg 是參數陣列。 引數可以當做陣列或五個以上的專案清單傳遞至 方法。 這些範例說明這兩種形式的方法呼叫。

給呼叫者的注意事項

C++ 程式碼不會呼叫這個方法。 C++ 編譯器會解析 對 System.Console.Write 的呼叫，其中包含字串和四個以上的物件參數清單，做為 的 Write(String, Object, Object, Object, Object) 呼叫。 它會解析 對 System.Console.Write 的呼叫，其中包含字串和物件陣列做為 的 Write(String, Object) 呼叫。

另請參閱

• Read()
• ReadLine()
• WriteLine()
• 在 .NET 中將類型格式化
• 複合格式

Write(String, Object)

Source:

Console.cs

使用指定的格式資訊，將指定之物件的文字表示寫入標準輸出資料流。

public:
 static void Write(System::String ^ format, System::Object ^ arg0);

public static void Write (string format, object? arg0);

static member Write : string * obj -> unit

Public Shared Sub Write (format As String, arg0 As Object)

參數

format

String

複合格式字串。

arg0

Object

要使用 format 寫入的物件。

例外狀況

IOException

發生 I/O 錯誤。

ArgumentNullException

format 為 null。

FormatException

format 中的格式規格無效。

範例

下列範例會使用 WriteLine 方法，示範數字、日期和列舉型別的標準格式化規範。

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

using namespace System;

public enum class Color {Yellow = 1, Blue, Green};

int main() 
{
    DateTime thisDate = DateTime::Now;
    Console::Clear();

    // Format a negative integer or floating-point number in various ways.
    Console::WriteLine("Standard Numeric Format Specifiers");
    Console::WriteLine(
        "(C) Currency: . . . . . . . . {0:C}\n" +
        "(D) Decimal:. . . . . . . . . {0:D}\n" +
        "(E) Scientific: . . . . . . . {1:E}\n" +
        "(F) Fixed point:. . . . . . . {1:F}\n" +
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(N) Number: . . . . . . . . . {0:N}\n" +
        "(P) Percent:. . . . . . . . . {1:P}\n" +
        "(R) Round-trip: . . . . . . . {1:R}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n",
        -123, -123.45f); 

    // Format the current date in various ways.
    Console::WriteLine("Standard DateTime Format Specifiers");
    Console::WriteLine(
        "(d) Short date: . . . . . . . {0:d}\n" +
        "(D) Long date:. . . . . . . . {0:D}\n" +
        "(t) Short time: . . . . . . . {0:t}\n" +
        "(T) Long time:. . . . . . . . {0:T}\n" +
        "(f) Full date/short time: . . {0:f}\n" +
        "(F) Full date/long time:. . . {0:F}\n" +
        "(g) General date/short time:. {0:g}\n" +
        "(G) General date/long time: . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(M) Month:. . . . . . . . . . {0:M}\n" +
        "(R) RFC1123:. . . . . . . . . {0:R}\n" +
        "(s) Sortable: . . . . . . . . {0:s}\n" +
        "(u) Universal sortable: . . . {0:u} (invariant)\n" +
        "(U) Universal full date/time: {0:U}\n" +
        "(Y) Year: . . . . . . . . . . {0:Y}\n", 
        thisDate);

    // Format a Color enumeration value in various ways.
    Console::WriteLine("Standard Enumeration Format Specifiers");
    Console::WriteLine(
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
        "(D) Decimal number: . . . . . {0:D}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n", 
        Color::Green);       

};


/*
This code example produces the following results:

Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
(default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85

Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
(default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004

Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
(default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003

*/

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

using System;
class Sample
{
    enum Color {Yellow = 1, Blue, Green};
    static DateTime thisDate = DateTime.Now;

    public static void Main()
    {
        Console.Clear();

        // Format a negative integer or floating-point number in various ways.
        Console.WriteLine("Standard Numeric Format Specifiers");
        Console.WriteLine(
            "(C) Currency: . . . . . . . . {0:C}\n" +
            "(D) Decimal:. . . . . . . . . {0:D}\n" +
            "(E) Scientific: . . . . . . . {1:E}\n" +
            "(F) Fixed point:. . . . . . . {1:F}\n" +
            "(G) General:. . . . . . . . . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(N) Number: . . . . . . . . . {0:N}\n" +
            "(P) Percent:. . . . . . . . . {1:P}\n" +
            "(R) Round-trip: . . . . . . . {1:R}\n" +
            "(X) Hexadecimal:. . . . . . . {0:X}\n",
            -123, -123.45f);

        // Format the current date in various ways.
        Console.WriteLine("Standard DateTime Format Specifiers");
        Console.WriteLine(
            "(d) Short date: . . . . . . . {0:d}\n" +
            "(D) Long date:. . . . . . . . {0:D}\n" +
            "(t) Short time: . . . . . . . {0:t}\n" +
            "(T) Long time:. . . . . . . . {0:T}\n" +
            "(f) Full date/short time: . . {0:f}\n" +
            "(F) Full date/long time:. . . {0:F}\n" +
            "(g) General date/short time:. {0:g}\n" +
            "(G) General date/long time: . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(M) Month:. . . . . . . . . . {0:M}\n" +
            "(R) RFC1123:. . . . . . . . . {0:R}\n" +
            "(s) Sortable: . . . . . . . . {0:s}\n" +
            "(u) Universal sortable: . . . {0:u} (invariant)\n" +
            "(U) Universal full date/time: {0:U}\n" +
            "(Y) Year: . . . . . . . . . . {0:Y}\n",
            thisDate);

        // Format a Color enumeration value in various ways.
        Console.WriteLine("Standard Enumeration Format Specifiers");
        Console.WriteLine(
            "(G) General:. . . . . . . . . {0:G}\n" +
            "    (default):. . . . . . . . {0} (default = 'G')\n" +
            "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
            "(D) Decimal number: . . . . . {0:D}\n" +
            "(X) Hexadecimal:. . . . . . . {0:X}\n",
            Color.Green);
    }
}
/*
This code example produces the following results:

Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
    (default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85

Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004

Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
    (default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003

*/

// This code example demonstrates the Console.WriteLine() method.
// Formatting for this example uses the "en-US" culture.

open System

type Color = 
    | Yellow = 1
    | Blue = 2
    | Green = 3

let thisDate = DateTime.Now

Console.Clear()

// Format a negative integer or floating-point number in various ways.
Console.WriteLine "Standard Numeric Format Specifiers"
Console.WriteLine(
    "(C) Currency: . . . . . . . . {0:C}\n" +
    "(D) Decimal:. . . . . . . . . {0:D}\n" +
    "(E) Scientific: . . . . . . . {1:E}\n" +
    "(F) Fixed point:. . . . . . . {1:F}\n" +
    "(G) General:. . . . . . . . . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(N) Number: . . . . . . . . . {0:N}\n" +
    "(P) Percent:. . . . . . . . . {1:P}\n" +
    "(R) Round-trip: . . . . . . . {1:R}\n" +
    "(X) Hexadecimal:. . . . . . . {0:X}\n",
    -123, -123.45f)

// Format the current date in various ways.
Console.WriteLine "Standard DateTime Format Specifiers"
Console.WriteLine(
    "(d) Short date: . . . . . . . {0:d}\n" +
    "(D) Long date:. . . . . . . . {0:D}\n" +
    "(t) Short time: . . . . . . . {0:t}\n" +
    "(T) Long time:. . . . . . . . {0:T}\n" +
    "(f) Full date/short time: . . {0:f}\n" +
    "(F) Full date/long time:. . . {0:F}\n" +
    "(g) General date/short time:. {0:g}\n" +
    "(G) General date/long time: . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(M) Month:. . . . . . . . . . {0:M}\n" +
    "(R) RFC1123:. . . . . . . . . {0:R}\n" +
    "(s) Sortable: . . . . . . . . {0:s}\n" +
    "(u) Universal sortable: . . . {0:u} (invariant)\n" +
    "(U) Universal full date/time: {0:U}\n" +
    "(Y) Year: . . . . . . . . . . {0:Y}\n",
    thisDate)

// Format a Color enumeration value in various ways.
Console.WriteLine "Standard Enumeration Format Specifiers"
Console.WriteLine(
    "(G) General:. . . . . . . . . {0:G}\n" +
    "    (default):. . . . . . . . {0} (default = 'G')\n" +
    "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
    "(D) Decimal number: . . . . . {0:D}\n" +
    "(X) Hexadecimal:. . . . . . . {0:X}\n",
    Color.Green)


// This code example produces the following results:
//
// Standard Numeric Format Specifiers
// (C) Currency: . . . . . . . . ($123.00)
// (D) Decimal:. . . . . . . . . -123
// (E) Scientific: . . . . . . . -1.234500E+002
// (F) Fixed point:. . . . . . . -123.45
// (G) General:. . . . . . . . . -123
//     (default):. . . . . . . . -123 (default = 'G')
// (N) Number: . . . . . . . . . -123.00
// (P) Percent:. . . . . . . . . -12,345.00 %
// (R) Round-trip: . . . . . . . -123.45
// (X) Hexadecimal:. . . . . . . FFFFFF85
//
// Standard DateTime Format Specifiers
// (d) Short date: . . . . . . . 6/26/2004
// (D) Long date:. . . . . . . . Saturday, June 26, 2004
// (t) Short time: . . . . . . . 8:11 PM
// (T) Long time:. . . . . . . . 8:11:04 PM
// (f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
// (F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
// (g) General date/short time:. 6/26/2004 8:11 PM
// (G) General date/long time: . 6/26/2004 8:11:04 PM
//     (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
// (M) Month:. . . . . . . . . . June 26
// (R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
// (s) Sortable: . . . . . . . . 2004-06-26T20:11:04
// (u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
// (U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
// (Y) Year: . . . . . . . . . . June, 2004
//
// Standard Enumeration Format Specifiers
// (G) General:. . . . . . . . . Green
//     (default):. . . . . . . . Green (default = 'G')
// (F) Flags:. . . . . . . . . . Green (flags or integer)
// (D) Decimal number: . . . . . 3
// (X) Hexadecimal:. . . . . . . 00000003

' This code example demonstrates the Console.WriteLine() method.
' Formatting for this example uses the "en-US" culture.

Class Sample
   Public Enum Color
      Yellow = 1
      Blue = 2
      Green = 3
   End Enum 'Color
   Private Shared thisDate As DateTime = DateTime.Now
   
   Public Shared Sub Main()
      Console.Clear()

      ' Format a negative integer or floating-point number in various ways.
      Console.WriteLine("Standard Numeric Format Specifiers")
      Console.WriteLine("(C) Currency: . . . . . . . . {0:C}" & vbCrLf & _
                        "(D) Decimal:. . . . . . . . . {0:D}" & vbCrLf & _
                        "(E) Scientific: . . . . . . . {1:E}" & vbCrLf & _
                        "(F) Fixed point:. . . . . . . {1:F}" & vbCrLf & _
                        "(G) General:. . . . . . . . . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(N) Number: . . . . . . . . . {0:N}" & vbCrLf & _
                        "(P) Percent:. . . . . . . . . {1:P}" & vbCrLf & _
                        "(R) Round-trip: . . . . . . . {1:R}" & vbCrLf & _
                        "(X) Hexadecimal:. . . . . . . {0:X}" & vbCrLf, _
                        - 123, - 123.45F)

      ' Format the current date in various ways.
      Console.WriteLine("Standard DateTime Format Specifiers")
      Console.WriteLine("(d) Short date: . . . . . . . {0:d}" & vbCrLf & _
                        "(D) Long date:. . . . . . . . {0:D}" & vbCrLf & _
                        "(t) Short time: . . . . . . . {0:t}" & vbCrLf & _
                        "(T) Long time:. . . . . . . . {0:T}" & vbCrLf & _
                        "(f) Full date/short time: . . {0:f}" & vbCrLf & _
                        "(F) Full date/long time:. . . {0:F}" & vbCrLf & _
                        "(g) General date/short time:. {0:g}" & vbCrLf & _
                        "(G) General date/long time: . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(M) Month:. . . . . . . . . . {0:M}" & vbCrLf & _
                        "(R) RFC1123:. . . . . . . . . {0:R}" & vbCrLf & _
                        "(s) Sortable: . . . . . . . . {0:s}" & vbCrLf & _
                        "(u) Universal sortable: . . . {0:u} (invariant)" & vbCrLf & _
                        "(U) Universal full date/time: {0:U}" & vbCrLf & _
                        "(Y) Year: . . . . . . . . . . {0:Y}" & vbCrLf, _
                        thisDate)

      ' Format a Color enumeration value in various ways.
      Console.WriteLine("Standard Enumeration Format Specifiers")
      Console.WriteLine("(G) General:. . . . . . . . . {0:G}" & vbCrLf & _
                        "    (default):. . . . . . . . {0} (default = 'G')" & vbCrLf & _
                        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)" & vbCrLf & _
                        "(D) Decimal number: . . . . . {0:D}" & vbCrLf & _
                        "(X) Hexadecimal:. . . . . . . {0:X}" & vbCrLf, _
                        Color.Green)
   End Sub
End Class
'
'This code example produces the following results:
'
'Standard Numeric Format Specifiers
'(C) Currency: . . . . . . . . ($123.00)
'(D) Decimal:. . . . . . . . . -123
'(E) Scientific: . . . . . . . -1.234500E+002
'(F) Fixed point:. . . . . . . -123.45
'(G) General:. . . . . . . . . -123
'    (default):. . . . . . . . -123 (default = 'G')
'(N) Number: . . . . . . . . . -123.00
'(P) Percent:. . . . . . . . . -12,345.00 %
'(R) Round-trip: . . . . . . . -123.45
'(X) Hexadecimal:. . . . . . . FFFFFF85
'
'Standard DateTime Format Specifiers
'(d) Short date: . . . . . . . 6/26/2004
'(D) Long date:. . . . . . . . Saturday, June 26, 2004
'(t) Short time: . . . . . . . 8:11 PM
'(T) Long time:. . . . . . . . 8:11:04 PM
'(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
'(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
'(g) General date/short time:. 6/26/2004 8:11 PM
'(G) General date/long time: . 6/26/2004 8:11:04 PM
'    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
'(M) Month:. . . . . . . . . . June 26
'(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
'(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
'(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
'(U) Universal full date/time: Sunday, June 27, 2004 3:11:04 AM
'(Y) Year: . . . . . . . . . . June, 2004
'
'Standard Enumeration Format Specifiers
'(G) General:. . . . . . . . . Green
'    (default):. . . . . . . . Green (default = 'G')
'(F) Flags:. . . . . . . . . . Green (flags or integer)
'(D) Decimal number: . . . . . 3
'(X) Hexadecimal:. . . . . . . 00000003
'

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

這個方法會使用 .NET 的 複合格式功能 ，將物件的值轉換成其文字表示，並將該表示內嵌在字串中。 產生的字串會寫入輸出資料流程。

參數 format 是由零或多個文字執行所組成，這些文字與零個或多個索引預留位置混合，稱為格式專案，對應至此方法參數清單中的物件。 格式設定程式會將每個格式專案取代為對應物件值的文字表示。

格式專案的語法是 {index[ ,alignment][ :formatString] } ，它會指定強制索引、格式化文字的選擇性長度和對齊方式，以及控制對應物件值格式化方式之格式規範字符的選擇性字串。

.NET 提供廣泛的格式支援，如下列格式主題中更詳細地說明。

• 如需 、 AppendFormat 等方法 Format 所支援之複合格式功能的詳細資訊，以及 的 WriteLine 一些多載，請參閱複合格式設定。

• 如需數值格式規範的詳細資訊，請參閱 標準數值格式字串 和 自訂數值格式字串。

• 如需日期和時間格式規範的詳細資訊，請參閱 標準日期和時間格式字串 和 自訂日期和時間格式字串。

• 如需列舉格式規範的詳細資訊，請參閱 列舉格式字串。

• 如需格式化的詳細資訊，請參閱 格式化類型。

另請參閱

• Read()
• ReadLine()
• WriteLine()
• 在 .NET 中將類型格式化
• 複合格式

Write(UInt64)

Source:

Console.cs

重要

此 API 不符合 CLS 規範。

將指定 64 位元不帶正負號整數值的文字表示寫入標準輸出資料流。

public:
 static void Write(System::UInt64 value);

[System.CLSCompliant(false)]
public static void Write (ulong value);

[<System.CLSCompliant(false)>]
static member Write : uint64 -> unit

Public Shared Sub Write (value As ULong)

參數

value

UInt64

要寫入的值。

屬性

CLSCompliantAttribute

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是藉由呼叫 UInt64.ToString 方法來產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(UInt32)

Source:

Console.cs

重要

此 API 不符合 CLS 規範。

將指定 32 位元不帶正負號整數值的文字表示寫入標準輸出資料流。

public:
 static void Write(System::UInt32 value);

[System.CLSCompliant(false)]
public static void Write (uint value);

[<System.CLSCompliant(false)>]
static member Write : uint32 -> unit

Public Shared Sub Write (value As UInteger)

參數

value

UInt32

要寫入的值。

屬性

CLSCompliantAttribute

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是藉由呼叫 UInt32.ToString 方法來產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(String)

Source:

Console.cs

將指定的字串值寫入標準輸出資料流。

public:
 static void Write(System::String ^ value);

public static void Write (string? value);

static member Write : string -> unit

Public Shared Sub Write (value As String)

參數

value

String

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

如果 value 為 null ，則不會將任何內容寫入標準輸出資料流程。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Char[], Int32, Int32)

Source:

Console.cs

將指定的 Unicode 字元子陣列寫入標準輸出資料流。

public:
 static void Write(cli::array <char> ^ buffer, int index, int count);

public static void Write (char[] buffer, int index, int count);

static member Write : char[] * int * int -> unit

Public Shared Sub Write (buffer As Char(), index As Integer, count As Integer)

參數

buffer

Char[]

Unicode 字元陣列。

index

Int32

buffer 中的開始位置。

count

Int32

要寫入的字元數。

例外狀況

ArgumentNullException

buffer 為 null。

ArgumentOutOfRangeException

index 或 count 小於零。

ArgumentException

index 加上 count 指定的位置不在 buffer 內。

IOException

發生 I/O 錯誤。

備註

這個方法會將 count 從 位置 indexbuffer 開始的字元寫入標準輸出資料流程。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Object)

Source:

Console.cs

將指定物件的文字表示寫入標準輸出資料流。

public:
 static void Write(System::Object ^ value);

public static void Write (object? value);

static member Write : obj -> unit

Public Shared Sub Write (value As Object)

參數

value

Object

要寫入的值，或 null。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

如果 value 為 null ，則不會寫入任何專案，也不會擲回任何例外狀況。 否則，會 ToString 呼叫 的 value 方法來產生其字串表示，並將產生的字串寫入標準輸出資料流程。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Single)

Source:

Console.cs

將指定的單精確度浮點數值的文字表示寫入標準輸出資料流。

public:
 static void Write(float value);

public static void Write (float value);

static member Write : single -> unit

Public Shared Sub Write (value As Single)

參數

value

Single

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是由呼叫 Single.ToString 方法所產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Char)

Source:

Console.cs

將指定的 Unicode 字元值寫入標準輸出資料流。

public:
 static void Write(char value);

public static void Write (char value);

static member Write : char -> unit

Public Shared Sub Write (value As Char)

參數

value

Char

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Char[])

Source:

Console.cs

將指定的 Unicode 字元陣列寫入標準輸出資料流。

public:
 static void Write(cli::array <char> ^ buffer);

public static void Write (char[]? buffer);

static member Write : char[] -> unit

Public Shared Sub Write (buffer As Char())

參數

buffer

Char[]

Unicode 字元陣列。

例外狀況

IOException

發生 I/O 錯誤。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Boolean)

Source:

Console.cs

將指定布林值 (Boolean) 的文字表示寫入標準輸出資料流。

public:
 static void Write(bool value);

public static void Write (bool value);

static member Write : bool -> unit

Public Shared Sub Write (value As Boolean)

參數

value

Boolean

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是藉由呼叫 Boolean.ToString 來產生，它會輸出 Boolean.TrueString 或 Boolean.FalseString 。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Double)

Source:

Console.cs

將指定的雙精確度浮點數值的文字表示寫入標準輸出資料流。

public:
 static void Write(double value);

public static void Write (double value);

static member Write : double -> unit

Public Shared Sub Write (value As Double)

參數

value

Double

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是由呼叫 Double.ToString 方法所產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Int32)

Source:

Console.cs

將指定 32 位元帶正負號整數值的文字表示寫入標準輸出資料流。

public:
 static void Write(int value);

public static void Write (int value);

static member Write : int -> unit

Public Shared Sub Write (value As Integer)

參數

value

Int32

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是由呼叫 Int32.ToString 方法所產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Int64)

Source:

Console.cs

將指定 64 位元帶正負號整數值的文字表示寫入標準輸出資料流。

public:
 static void Write(long value);

public static void Write (long value);

static member Write : int64 -> unit

Public Shared Sub Write (value As Long)

參數

value

Int64

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是由呼叫 Int64.ToString 方法所產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()

Write(Decimal)

Source:

Console.cs

將指定 Decimal 值的表示文字寫入標準輸出資料流。

public:
 static void Write(System::Decimal value);

public static void Write (decimal value);

static member Write : decimal -> unit

Public Shared Sub Write (value As Decimal)

參數

value

Decimal

要寫入的值。

例外狀況

IOException

發生 I/O 錯誤。

範例

在下列程式碼中，說明了如何使用 Write 方法。

int main()
{
   array<String^>^lineInputArr = {"1   2.2   hello	TRUE","2   5.22   bye	FALSE","3   6.38   see ya'	TRUE"};
   for ( Int32 i = 0; i < 3; i++ )
   {
      String^ lineInput = lineInputArr->GetValue( i )->ToString();
      String^ aChar =  "\t";
      array<String^>^fields = lineInput->Split( aChar->ToCharArray() );
      Boolean isFirstField = true;
      for ( Int32 i = 0; i < fields->Length; i++ )
      {
         if ( isFirstField )
                  isFirstField = false;
         else
                  Console::Write( "," );
         
         // If the field represents a boolean, replace with a numeric representation.
         try
         {
            Console::Write( Convert::ToByte( Convert::ToBoolean( fields[ i ] ) ) );
         }
         catch ( FormatException^ ) 
         {
            Console::Write( fields[ i ] );
         }


      }
      Console::WriteLine();

   }
}

public class FormatConverter
{
    public static void Main(string[] args)
    {
        string lineInput;
        while ((lineInput = Console.ReadLine()) != null)
        {
            string[] fields = lineInput.Split(new char[] {'\t'});
            bool isFirstField = true;
            foreach (var item in fields)
            {
                if (isFirstField)
                    isFirstField = false;
                else
                    Console.Write(',');

                // If the field represents a boolean, replace with a numeric representation.
                bool itemBool;
                if (Boolean.TryParse(item, out itemBool))
                    Console.Write(Convert.ToByte(itemBool));
                else
                    Console.Write(item);
            }
            Console.WriteLine();
        }
    }
}

let mutable lineInput = Console.ReadLine()
while lineInput <> null do
    let fields = lineInput.Split '\t'
    let mutable isFirstField = true

    for item in fields do
        if isFirstField then
            isFirstField <- false
        else
            Console.Write ','

        // If the field represents a boolean, replace with a numeric representation.
        match Boolean.TryParse item with 
        | true, itemBool ->
            Console.Write(Convert.ToByte itemBool)
        | _ ->
            Console.Write item
    Console.WriteLine()

Public Class FormatConverter
   Public Shared Sub Main()
      Dim lineInput As String = Console.ReadLine()
      While Not lineInput Is Nothing
         Dim fields As String() = lineInput.Split(ControlChars.Tab)
         Dim isFirstField As Boolean = True
         For Each item As String In fields
            If isFirstField Then
               isFirstField = False
            Else
               Console.Write(",")
            End If
            ' If the field represents a boolean, replace with a numeric representation.
            Dim itemBool As Boolean
            If Boolean.TryParse(item, itemBool)
                Console.Write(Convert.ToByte(itemBool))
            Else
                Console.Write(item)
            End If
         Next
         Console.WriteLine()
         lineInput = Console.ReadLine()
      End While
   End Sub
End Class

備註

的文字表示 value 是藉由呼叫 Decimal.ToString 來產生。

另請參閱

• Read()
• ReadLine()
• WriteLine()