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:
 System::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

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,並藉由以不同的格式提供者呼叫ToString(IFormatProvider)方法,將每一個顯示到主控台。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

傳回值會使用一般數值格式規範("G")進行格式化。The return value is formatted with the general numeric format specifier ("G").

參數是用來IFormatProvider執行介面的物件。 providerThe provider parameter is an object that implements the IFormatProvider interface. GetFormat 方法NumberFormatInfo會傳回物件,提供有關此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. Implements IFormatProvider的物件可以是下列任何一項:The object that implements IFormatProvider can be any of the following:

如果providernull ,或者NumberFormatInfo無法從provider取得物件,則會使用執行緒目前文化特性的物件來格式化傳回值。 NumberFormatInfoIf 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Thread.CurrentCulture,請參閱。For information about the thread current culture, see Thread.CurrentCulture.

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

另請參閱

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);
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

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CultureInfo不同的物件,將位元組值的字串表示顯示到主控台。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Byte之文化特性的指定格式來格式化值。 ToString(String, IFormatProvider)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 "R" (或 "r")以外的所有標準數值格式字串都受到支援,如同所有自訂數值格式字元。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(""),則會使用一般數值格式規範("G")來格式化這個方法的傳回值。If format is null or an empty string (""), the return value of this method is formatted with the general numeric format specifier ("G").

參數是用來IFormatProvider執行介面的物件。 providerThe provider parameter is an object that implements the IFormatProvider interface. GetFormat 方法NumberFormatInfo會傳回物件,提供有關此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. Implements IFormatProvider的物件可以是下列任何一項:The object that implements IFormatProvider can be any of the following:

如果providernull ,或者NumberFormatInfo無法從provider取得物件,則會使用執行緒目前文化特性的物件來格式化傳回值。 NumberFormatInfoIf 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Thread.CurrentCulture,請參閱。For information about the thread current culture, see Thread.CurrentCulture.

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

另請參閱

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);
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

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

下列範例會初始化Byte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 "R" (或 "r")以外的所有標準數值格式字串都受到支援,如同所有自訂數值格式字元。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(""),則傳回值會使用一般數值格式規範("G")進行格式化。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執行緒目前NumberFormatInfo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Thread.CurrentCulture,請參閱。For 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Byte.ToString(String, IFormatProvider)呼叫方法。To provide formatting information for cultures other than the current culture, call the Byte.ToString(String, IFormatProvider) method.

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

另請參閱

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

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,在此範例中不會明確呼叫方法。ToString()Note that the ToString() method is not called explicitly in the example. 相反地,它是因為使用複合格式功能而隱含地呼叫。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值的字串表示格式,請ToString呼叫方法。To define the formatting of the Byte value's string representation, call the ToString method. 若要定義用來建立Byte值字串表示的格式規範和文化特性,請ToString呼叫方法。To define both the format specifiers and culture used to create the string representation of a Byte value, call the ToString method.

.NET Framework 提供廣泛的格式設定支援, 在下列格式設定主題中有更詳細的說明:The .NET Framework 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Thread.CurrentCulture,請參閱。For information about the thread current culture, see Thread.CurrentCulture.

適用於