C# 文化和 Java 区域设置不匹配

发布于 2024-10-17 02:22:08 字数 615 浏览 5 评论 0原文

考虑以下比较：

String a = "\u00C4";       // "LATIN CAPITAL LETTER A WITH DIAERESIS"
String b = "\u0041\u0308"; // "LATIN CAPITAL LETTER A" and "COMBINING DIAERESIS"

在 C# 丹麦语文化中比较这些，返回 false：

Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK", false);
Console.WriteLine(a.Equals(b, StringComparison.CurrentCulture));   // false

在 Java 丹麦语语言环境中比较这些，返回 true：

System.out.println(Collator.getInstance(new Locale("Danish (Denmark)").equals(a,b)); // true

我已列出两个环境中的所有语言环境/文化，并已确认选择了正确的语言环境/文化。我错过了什么吗？有什么区别？

原文

Consider this comparison:

String a = "\u00C4";       // "LATIN CAPITAL LETTER A WITH DIAERESIS"
String b = "\u0041\u0308"; // "LATIN CAPITAL LETTER A" and "COMBINING DIAERESIS"

Comparing these in C# Danish culture, returns false:

Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK", false);
Console.WriteLine(a.Equals(b, StringComparison.CurrentCulture));   // false

Comparing these in Java Danish locale, returns true:

System.out.println(Collator.getInstance(new Locale("Danish (Denmark)").equals(a,b)); // true

I have listed all locales/cultures in both environments and have confirmed that the right ones are selected. Am I missing something? What's with the difference?

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泪冰清 2024-10-24 02:22:08

我无法使用 .NET 4 重现您的结果：

using System;
using System.Globalization;
using System.Threading;

public class Test
{
    static void Main()
    {
        String a = "\u00C4";
        String b = "\u0041\u0308";

        Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK", false);
        Console.WriteLine(a.Equals(b, StringComparison.CurrentCulture));
    }
}

该程序为我打印“True”。完全相同的程序会为您打印“False”吗？

I can't reproduce your results using .NET 4:

using System;
using System.Globalization;
using System.Threading;

public class Test
{
    static void Main()
    {
        String a = "\u00C4";
        String b = "\u0041\u0308";

        Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK", false);
        Console.WriteLine(a.Equals(b, StringComparison.CurrentCulture));
    }
}

That program prints "True" for me. Does the exact same program print "False" for you?

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