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  • C# datetime 输出格式

    https://docs.microsoft.com/zh-cn/dotnet/api/system.datetime.tostring?view=netframework-4.8#System_DateTime_ToString_System_IFormatProvider_
    https://www.cnblogs.com/polk6/p/5465088.html



    using System;
    using System.Globalization;
    
    public class Example
    {
       public static void Main()
       {
          // Create an array of all supported standard date and time format specifiers.
          string[] formats = {"d", "D", "f", "F", "g", "G", "m", "o", "r", 
                              "s", "t", "T", "u", "U", "Y"};
          // Create an array of four cultures.                                 
          CultureInfo[] cultures = {CultureInfo.CreateSpecificCulture("de-DE"), 
                                    CultureInfo.CreateSpecificCulture("en-US"), 
                                    CultureInfo.CreateSpecificCulture("es-ES"), 
                                    CultureInfo.CreateSpecificCulture("fr-FR")};
           // Define date to be displayed.
          DateTime dateToDisplay = new DateTime(2008, 10, 1, 17, 4, 32);
    
          // Iterate each standard format specifier.
          foreach (string formatSpecifier in formats)
          {
             foreach (CultureInfo culture in cultures)
                Console.WriteLine("{0} Format Specifier {1, 10} Culture {2, 40}", 
                                  formatSpecifier, culture.Name, 
                                  dateToDisplay.ToString(formatSpecifier, culture));
             Console.WriteLine();
          }   
       }
    }
    // The example displays the following output:
    //    d Format Specifier      de-DE Culture                               01.10.2008
    //    d Format Specifier      en-US Culture                                10/1/2008
    //    d Format Specifier      es-ES Culture                               01/10/2008
    //    d Format Specifier      fr-FR Culture                               01/10/2008
    //    
    //    D Format Specifier      de-DE Culture                Mittwoch, 1. Oktober 2008
    //    D Format Specifier      en-US Culture              Wednesday, October 01, 2008
    //    D Format Specifier      es-ES Culture         miércoles, 01 de octubre de 2008
    //    D Format Specifier      fr-FR Culture                  mercredi 1 octobre 2008
    //    
    //    f Format Specifier      de-DE Culture          Mittwoch, 1. Oktober 2008 17:04
    //    f Format Specifier      en-US Culture      Wednesday, October 01, 2008 5:04 PM
    //    f Format Specifier      es-ES Culture   miércoles, 01 de octubre de 2008 17:04
    //    f Format Specifier      fr-FR Culture            mercredi 1 octobre 2008 17:04
    //    
    //    F Format Specifier      de-DE Culture       Mittwoch, 1. Oktober 2008 17:04:32
    //    F Format Specifier      en-US Culture   Wednesday, October 01, 2008 5:04:32 PM
    //    F Format Specifier      es-ES Culture miércoles, 01 de octubre de 2008 17:04:3
    //    F Format Specifier      fr-FR Culture         mercredi 1 octobre 2008 17:04:32
    //    
    //    g Format Specifier      de-DE Culture                         01.10.2008 17:04
    //    g Format Specifier      en-US Culture                        10/1/2008 5:04 PM
    //    g Format Specifier      es-ES Culture                         01/10/2008 17:04
    //    g Format Specifier      fr-FR Culture                         01/10/2008 17:04
    //    
    //    G Format Specifier      de-DE Culture                      01.10.2008 17:04:32
    //    G Format Specifier      en-US Culture                     10/1/2008 5:04:32 PM
    //    G Format Specifier      es-ES Culture                      01/10/2008 17:04:32
    //    G Format Specifier      fr-FR Culture                      01/10/2008 17:04:32
    //    
    //    m Format Specifier      de-DE Culture                               01 Oktober
    //    m Format Specifier      en-US Culture                               October 01
    //    m Format Specifier      es-ES Culture                               01 octubre
    //    m Format Specifier      fr-FR Culture                                1 octobre
    //    
    //    o Format Specifier      de-DE Culture              2008-10-01T17:04:32.0000000
    //    o Format Specifier      en-US Culture              2008-10-01T17:04:32.0000000
    //    o Format Specifier      es-ES Culture              2008-10-01T17:04:32.0000000
    //    o Format Specifier      fr-FR Culture              2008-10-01T17:04:32.0000000
    //    
    //    r Format Specifier      de-DE Culture            Wed, 01 Oct 2008 17:04:32 GMT
    //    r Format Specifier      en-US Culture            Wed, 01 Oct 2008 17:04:32 GMT
    //    r Format Specifier      es-ES Culture            Wed, 01 Oct 2008 17:04:32 GMT
    //    r Format Specifier      fr-FR Culture            Wed, 01 Oct 2008 17:04:32 GMT
    //    
    //    s Format Specifier      de-DE Culture                      2008-10-01T17:04:32
    //    s Format Specifier      en-US Culture                      2008-10-01T17:04:32
    //    s Format Specifier      es-ES Culture                      2008-10-01T17:04:32
    //    s Format Specifier      fr-FR Culture                      2008-10-01T17:04:32
    //    
    //    t Format Specifier      de-DE Culture                                    17:04
    //    t Format Specifier      en-US Culture                                  5:04 PM
    //    t Format Specifier      es-ES Culture                                    17:04
    //    t Format Specifier      fr-FR Culture                                    17:04
    //    
    //    T Format Specifier      de-DE Culture                                 17:04:32
    //    T Format Specifier      en-US Culture                               5:04:32 PM
    //    T Format Specifier      es-ES Culture                                 17:04:32
    //    T Format Specifier      fr-FR Culture                                 17:04:32
    //    
    //    u Format Specifier      de-DE Culture                     2008-10-01 17:04:32Z
    //    u Format Specifier      en-US Culture                     2008-10-01 17:04:32Z
    //    u Format Specifier      es-ES Culture                     2008-10-01 17:04:32Z
    //    u Format Specifier      fr-FR Culture                     2008-10-01 17:04:32Z
    //    
    //    U Format Specifier      de-DE Culture     Donnerstag, 2. Oktober 2008 00:04:32
    //    U Format Specifier      en-US Culture   Thursday, October 02, 2008 12:04:32 AM
    //    U Format Specifier      es-ES Culture    jueves, 02 de octubre de 2008 0:04:32
    //    U Format Specifier      fr-FR Culture            jeudi 2 octobre 2008 00:04:32
    //    
    //    Y Format Specifier      de-DE Culture                             Oktober 2008
    //    Y Format Specifier      en-US Culture                            October, 2008
    //    Y Format Specifier      es-ES Culture                          octubre de 2008
    //    Y Format Specifier      fr-FR Culture                             octobre 2008
    
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  • 原文地址:https://www.cnblogs.com/feipeng8848/p/12699298.html
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