Byte.ToString 方法

定義

將目前 Byte 物件的值,轉換為其相等的字串表示。Converts the value of the current Byte object to its equivalent string representation.

多載

ToString(IFormatProvider)

使用指定的特定文化特性格式資訊,將目前 Byte 物件的數值轉換為其相等的字串表示。Converts the numeric value of the current Byte object to its equivalent string representation using the specified culture-specific formatting information.

ToString(String, IFormatProvider)

使用指定的格式和特定文化特性的格式資訊,將目前 Byte 物件的值,轉換為其相等的字串表示。Converts the value of the current Byte object to its equivalent string representation using the specified format and culture-specific formatting information.

ToString(String)

使用指定的格式,將目前 Byte 物件的值,轉換為其相等字串表示。Converts the value of the current Byte object to its equivalent string representation using the specified format.

ToString()

將目前 Byte 物件的值,轉換為其相等的字串表示。Converts the value of the current Byte object to its equivalent string representation.

ToString(IFormatProvider)

使用指定的特定文化特性格式資訊,將目前 Byte 物件的數值轉換為其相等的字串表示。Converts the numeric value of the current Byte object to its equivalent string representation using the specified culture-specific formatting information.

public:
 virtual System::String ^ ToString(IFormatProvider ^ provider);
public:
 System::String ^ ToString(IFormatProvider ^ provider);
public string ToString (IFormatProvider provider);
public string ToString (IFormatProvider? provider);
override this.ToString : IFormatProvider -> string
Public Function ToString (provider As IFormatProvider) As String

參數

provider
IFormatProvider

物件,提供特定文化特性格式資訊。An object that supplies culture-specific formatting information.

傳回

String

這個物件值的字串表示,採用 provider 參數所指定的格式。The string representation of the value of this object in the format specified by the provider parameter.

實作

範例

下列範例會逐一查看位元組值的陣列,並藉由 ToString(IFormatProvider) 使用不同的格式提供者來呼叫方法,將每個位元組值顯示到主控台。The following example iterates an array of byte values and displays each of them to the console by calling the ToString(IFormatProvider) method with different format providers.

array<Byte>^ bytes = gcnew array<Byte> {0, 1, 14, 168, 255};
array<CultureInfo^>^ providers = {gcnew CultureInfo("en-us"), 
                                  gcnew CultureInfo("fr-fr"), 
                                  gcnew CultureInfo("de-de"), 
                                  gcnew CultureInfo("es-es")};
for each (Byte byteValue in bytes)
{
   for each (CultureInfo^ provider in providers)
      Console::Write("{0,3} ({1})      ", 
                    byteValue.ToString(provider), provider->Name);

   Console::WriteLine();                                        
}
// The example displays the following output to the console:
//      0 (en-US)        0 (fr-FR)        0 (de-DE)        0 (es-ES)
//      1 (en-US)        1 (fr-FR)        1 (de-DE)        1 (es-ES)
//     14 (en-US)       14 (fr-FR)       14 (de-DE)       14 (es-ES)
//    168 (en-US)      168 (fr-FR)      168 (de-DE)      168 (es-ES)
//    255 (en-US)      255 (fr-FR)      255 (de-DE)      255 (es-ES)
byte[] bytes = {0, 1, 14, 168, 255};
CultureInfo[] providers = {new CultureInfo("en-us"),
                           new CultureInfo("fr-fr"),
                           new CultureInfo("de-de"),
                           new CultureInfo("es-es")};
foreach (byte byteValue in bytes)
{
   foreach (CultureInfo provider in providers)
      Console.Write("{0,3} ({1})      ",
                    byteValue.ToString(provider), provider.Name);

   Console.WriteLine();
}
// The example displays the following output to the console:
//      0 (en-US)        0 (fr-FR)        0 (de-DE)        0 (es-ES)
//      1 (en-US)        1 (fr-FR)        1 (de-DE)        1 (es-ES)
//     14 (en-US)       14 (fr-FR)       14 (de-DE)       14 (es-ES)
//    168 (en-US)      168 (fr-FR)      168 (de-DE)      168 (es-ES)
//    255 (en-US)      255 (fr-FR)      255 (de-DE)      255 (es-ES)
Dim bytes() As Byte = {0, 1, 14, 168, 255}
Dim providers() As CultureInfo = {New CultureInfo("en-us"), _
                                  New CultureInfo("fr-fr"), _
                                  New CultureInfo("de-de"), _
                                  New CultureInfo("es-es")}
For Each byteValue As Byte In bytes
   For Each provider As CultureInfo In providers
      Console.Write("{0,3} ({1})      ", byteValue.ToString(provider), provider.Name)
   Next
   Console.WriteLine()                                        
Next
' The example displays the following output to the console:
'      0 (en-US)        0 (fr-FR)        0 (de-DE)        0 (es-ES)
'      1 (en-US)        1 (fr-FR)        1 (de-DE)        1 (es-ES)
'     14 (en-US)       14 (fr-FR)       14 (de-DE)       14 (es-ES)
'    168 (en-US)      168 (fr-FR)      168 (de-DE)      168 (es-ES)
'    255 (en-US)      255 (fr-FR)      255 (de-DE)      255 (es-ES)

備註

傳回值的格式為一般數值格式規範 ( "G" ) 。The return value is formatted with the general numeric format specifier ("G").

provider參數是實介面的物件 IFormatProviderThe provider parameter is an object that implements the IFormatProvider interface. 它的 GetFormat 方法 NumberFormatInfo 會傳回物件,該物件會提供這個方法所傳回之字串格式的特定文化特性資訊。Its GetFormat method returns a NumberFormatInfo object that provides culture-specific information about the format of the string that is returned by this method. 執行的物件 IFormatProvider 可以是下列任何一項:The object that implements IFormatProvider can be any of the following:

如果 providernullNumberFormatInfo 無法從取得物件,則 provider 會使用 NumberFormatInfo 執行緒目前文化特性的物件來格式化傳回值。If provider is null or a NumberFormatInfo object cannot be obtained from provider, the return value is formatted using the NumberFormatInfo object for the thread current culture. 如需執行緒目前文化特性的詳細資訊,請參閱 Thread.CurrentCultureFor information about the thread current culture, see Thread.CurrentCulture.

.NET 提供廣泛的格式化支援,在下列格式設定主題中有更詳細的說明:.NET provides extensive formatting support, which is described in greater detail in the following formatting topics:

另請參閱

適用於

ToString(String, IFormatProvider)

使用指定的格式和特定文化特性的格式資訊,將目前 Byte 物件的值,轉換為其相等的字串表示。Converts the value of the current Byte object to its equivalent string representation using the specified format and culture-specific formatting information.

public:
 virtual System::String ^ ToString(System::String ^ format, IFormatProvider ^ provider);
public string ToString (string format, IFormatProvider provider);
public string? ToString (string format, IFormatProvider provider);
override this.ToString : string * IFormatProvider -> string
Public Function ToString (format As String, provider As IFormatProvider) As String

參數

format
String

標準或自訂數值格式字串。A standard or custom numeric format string.

provider
IFormatProvider

物件,提供特定文化特性格式資訊。An object that supplies culture-specific formatting information.

傳回

String

目前 Byte 物件的字串表示,按照 formatprovider 參數所指定來格式化。The string representation of the current Byte object, formatted as specified by the format and provider parameters.

實作

例外狀況

format 包含不支援的規範。format includes an unsupported specifier. 支援的格式規範列在<備註>一節。Supported format specifiers are listed in the Remarks section.

範例

下列範例會使用標準的 "N" 格式字串和四個不同 CultureInfo 的物件,將位元組值的字串表示顯示在主控台中。The following example uses the standard "N" format string and four different CultureInfo objects to display the string representation of a byte value to the console.

Byte byteValue = 250;
array<CultureInfo^>^ providers = gcnew array<CultureInfo^> { gcnew CultureInfo("en-us"), 
                                                             gcnew CultureInfo("fr-fr"), 
                                                             gcnew CultureInfo("es-es"), 
                                                             gcnew CultureInfo("de-de")}; 

for each (CultureInfo^ provider in providers) 
   Console::WriteLine("{0} ({1})", 
                     byteValue.ToString("N2", provider), provider->Name);
// The example displays the following output to the console:
//       250.00 (en-US)
//       250,00 (fr-FR)
//       250,00 (es-ES)
//       250,00 (de-DE)
byte byteValue = 250;
CultureInfo[] providers = {new CultureInfo("en-us"),
                           new CultureInfo("fr-fr"),
                           new CultureInfo("es-es"),
                           new CultureInfo("de-de")};

foreach (CultureInfo provider in providers)
   Console.WriteLine("{0} ({1})",
                     byteValue.ToString("N2", provider), provider.Name);
// The example displays the following output to the console:
//       250.00 (en-US)
//       250,00 (fr-FR)
//       250,00 (es-ES)
//       250,00 (de-DE)
Dim byteValue As Byte = 250
Dim providers() As CultureInfo = {New CultureInfo("en-us"), _
                                  New CultureInfo("fr-fr"), _
                                  New CultureInfo("es-es"), _
                                  New CultureInfo("de-de")} 
For Each provider As CultureInfo In providers 
   Console.WriteLine("{0} ({1})", _
                     byteValue.ToString("N2", provider), provider.Name)
Next   
' The example displays the following output to the console:
'       250.00 (en-US)
'       250,00 (fr-FR)
'       250,00 (es-ES)
'       250,00 (de-DE)

備註

方法會使用指定 ToString(String, IFormatProvider) Byte 之文化特性的指定格式來格式化值。The ToString(String, IFormatProvider) method formats a Byte value in a specified format of a specified culture. 若要使用目前文化特性的預設 ( "G" ) 格式來格式化數位,請呼叫 ToString() 方法。To format a number by using the default ("G") format of the current culture, call the ToString() method. 若要使用目前文化特性的指定格式來格式化數位,請呼叫 ToString(String) 方法。To format a number by using a specified format of the current culture, call the ToString(String) method.

format參數可以是標準或自訂數值格式字串。The format parameter can be either a standard or a custom numeric format string. 除了所有自訂數值格式字元以外,也支援 "R" (或 "r" ) 以外的所有標準數值格式字串。All standard numeric format strings other than "R" (or "r") are supported, as are all custom numeric format characters. 如果 formatnull 或空字串 ( "" ) ,這個方法的傳回值會格式化為一般數值格式規範 ( "G" ) 。If format is null or an empty string (""), the return value of this method is formatted with the general numeric format specifier ("G").

provider參數是實介面的物件 IFormatProviderThe provider parameter is an object that implements the IFormatProvider interface. 它的 GetFormat 方法 NumberFormatInfo 會傳回物件,該物件會提供這個方法所傳回之字串格式的特定文化特性資訊。Its GetFormat method returns a NumberFormatInfo object that provides culture-specific information about the format of the string that is returned by this method. 執行的物件 IFormatProvider 可以是下列任何一項:The object that implements IFormatProvider can be any of the following:

如果 providernullNumberFormatInfo 無法從取得物件,則 provider 會使用 NumberFormatInfo 執行緒目前文化特性的物件來格式化傳回值。If provider is null or a NumberFormatInfo object cannot be obtained from provider, the return value is formatted using the NumberFormatInfo object for the thread current culture. 如需執行緒目前文化特性的詳細資訊,請參閱 Thread.CurrentCultureFor information about the thread current culture, see Thread.CurrentCulture.

.NET 提供廣泛的格式化支援,在下列格式設定主題中有更詳細的說明:.NET provides extensive formatting support, which is described in greater detail in the following formatting topics:

另請參閱

適用於

ToString(String)

使用指定的格式,將目前 Byte 物件的值,轉換為其相等字串表示。Converts the value of the current Byte object to its equivalent string representation using the specified format.

public:
 System::String ^ ToString(System::String ^ format);
public string ToString (string format);
public string ToString (string? format);
override this.ToString : string -> string
Public Function ToString (format As String) As String

參數

format
String

數值格式字串。A numeric format string.

傳回

String

目前 Byte 物件的字串表示,按照 format 參數所指定來格式化。The string representation of the current Byte object, formatted as specified by the format parameter.

例外狀況

format 包含不支援的規範。format includes an unsupported specifier. 支援的格式規範列在<備註>一節。Supported format specifiers are listed in the Remarks section.

範例

下列範例 Byte 會初始化值,並使用每個支援的標準格式字串和自訂格式字串,將它顯示在主控台中。The following example initializes a Byte value and displays it to the console using each of the supported standard format strings and a custom format string. 此範例會以 en-us 作為目前的文化特性來執行。The example is run with en-US as the current culture.

array<String^>^ formats = gcnew array<String^> {"C3", "D4", "e1", "E2", "F1", "G", "N1", 
                                                "P0", "X4", "0000.0000"};
Byte number = 240;
for each (String^ format in formats)
   Console::WriteLine("'{0}' format specifier: {1}", 
                     format, number.ToString(format));

// The example displays the following output to the console if the
// current culture is en-us:
//       'C3' format specifier: $240.000
//       'D4' format specifier: 0240
//       'e1' format specifier: 2.4e+002
//       'E2' format specifier: 2.40E+002
//       'F1' format specifier: 240.0
//       'G' format specifier: 240
//       'N1' format specifier: 240.0
//       'P0' format specifier: 24,000 %
//       'X4' format specifier: 00F0
//       '0000.0000' format specifier: 0240.0000           
string[] formats = {"C3", "D4", "e1", "E2", "F1", "G", "N1",
                    "P0", "X4", "0000.0000"};
byte number = 240;
foreach (string format in formats)
   Console.WriteLine("'{0}' format specifier: {1}",
                     format, number.ToString(format));

// The example displays the following output to the console if the
// current culture is en-us:
//       'C3' format specifier: $240.000
//       'D4' format specifier: 0240
//       'e1' format specifier: 2.4e+002
//       'E2' format specifier: 2.40E+002
//       'F1' format specifier: 240.0
//       'G' format specifier: 240
//       'N1' format specifier: 240.0
//       'P0' format specifier: 24,000 %
//       'X4' format specifier: 00F0
//       '0000.0000' format specifier: 0240.0000
Dim formats() As String = {"C3", "D4", "e1", "E2", "F1", "G", _
                           "N1", "P0", "X4", "0000.0000"}
Dim number As Byte = 240
For Each format As String In formats
   Console.WriteLine("'{0}' format specifier: {1}", _
                     format, number.ToString(format))
Next  
' The example displays the following output to the console if the
' current culture is en-us:
'       'C3' format specifier: $240.000
'       'D4' format specifier: 0240
'       'e1' format specifier: 2.4e+002
'       'E2' format specifier: 2.40E+002
'       'F1' format specifier: 240.0       
'       'G' format specifier: 240
'       'N1' format specifier: 240.0
'       'P0' format specifier: 24,000 %
'       'X4' format specifier: 00F0
'       '0000.0000' format specifier: 0240.0000           

備註

format參數可以是標準或自訂數值格式字串。The format parameter can be either a standard or a custom numeric format string. 除了所有自訂數值格式字元以外,也支援 "R" (或 "r" ) 以外的所有標準數值格式字串。All standard numeric format strings other than "R" (or "r") are supported, as are all custom numeric format characters. 如果 formatnull 或 ( "" ) 的空字串,則傳回值會格式化為一般數值格式規範 ( "G" ) 。If format is null or an empty string (""), the return value is formatted with the general numeric format specifier ("G").

這個函式的傳回值會使用 NumberFormatInfo 執行緒目前文化特性的物件來格式化。The return value of this function is formatted using the NumberFormatInfo object for the thread current culture. 如需執行緒目前文化特性的詳細資訊,請參閱 Thread.CurrentCultureFor information about the thread current culture, see Thread.CurrentCulture. 若要提供目前文化特性以外文化特性的格式資訊,請呼叫 Byte.ToString(String, IFormatProvider) 方法。To provide formatting information for cultures other than the current culture, call the Byte.ToString(String, IFormatProvider) method.

.NET 提供廣泛的格式化支援,在下列格式設定主題中有更詳細的說明:.NET provides extensive formatting support, which is described in greater detail in the following formatting topics:

另請參閱

適用於

ToString()

將目前 Byte 物件的值,轉換為其相等的字串表示。Converts the value of the current Byte object to its equivalent string representation.

public:
 override System::String ^ ToString();
public override string ToString ();
override this.ToString : unit -> string
Public Overrides Function ToString () As String

傳回

String

這個物件值的字串表示,由沒有零的前置字元且範圍從 0 到 9 的數字順序所組成。The string representation of the value of this object, which consists of a sequence of digits that range from 0 to 9 with no leading zeroes.

範例

下列範例會顯示位元組值的陣列。The following example displays an array of byte values. 請注意,在 ToString() 範例中不會明確呼叫方法。Note that the ToString() method is not called explicitly in the example. 相反地,它是以隱含方式呼叫,因為使用 複合格式 功能。Instead, it is called implicitly, because of the use of the composite formatting feature.

array<Byte>^ bytes = gcnew array<Byte> {0, 1, 14, 168, 255};
for each (Byte byteValue in bytes)
   Console::WriteLine(byteValue);
// The example displays the following output to the console if the current
// culture is en-US:
//       0
//       1
//       14
//       168
//       255
byte[] bytes = {0, 1, 14, 168, 255};
foreach (byte byteValue in bytes)
   Console.WriteLine(byteValue);
// The example displays the following output to the console if the current
// culture is en-US:
//       0
//       1
//       14
//       168
//       255
Dim bytes() As Byte = {0, 1, 14, 168, 255}
For Each byteValue As Byte In Bytes
   Console.WriteLine(byteValue)
Next   
' The example displays the following output to the console if the current
' culture is en-US:
'       0
'       1
'       14
'       168
'       255

備註

傳回值的格式為一般數值格式規範 ( "G" ) ,以及 NumberFormatInfo 執行緒目前文化特性的物件。The return value is formatted with the general numeric format specifier ("G") and the NumberFormatInfo object for the thread current culture. 若要定義 Byte 值之字串表示的格式,請呼叫 ToString 方法。To define the formatting of the Byte value's string representation, call the ToString method. 若要定義用來建立值之字串表示的格式規範和文化特性 Byte ,請呼叫 ToString 方法。To define both the format specifiers and culture used to create the string representation of a Byte value, call the ToString method.

.NET 提供廣泛的格式化支援,在下列格式設定主題中有更詳細的說明:.NET provides extensive formatting support, which is described in greater detail in the following formatting topics:

如需執行緒目前文化特性的詳細資訊,請參閱 Thread.CurrentCultureFor information about the thread current culture, see Thread.CurrentCulture.

適用於