Does .NET provide an easy way convert bytes to KB,

2019-01-04 19:01发布

Just wondering if .NET provides a clean way to do this:

int64 x = 1000000;
string y = null;
if (x / 1024 == 0) {
    y = x + " bytes";
}
else if (x / (1024 * 1024) == 0) {
    y = string.Format("{0:n1} KB", x / 1024f);
}

etc...

19条回答
男人必须洒脱
2楼-- · 2019-01-04 19:54
public static class MyExtension
{
    public static string ToPrettySize(this float Size)
    {
        return ConvertToPrettySize(Size, 0);
    }
    public static string ToPrettySize(this int Size)
    {
        return ConvertToPrettySize(Size, 0);
    }
    private static string ConvertToPrettySize(float Size, int R)
    {
        float F = Size / 1024f;
        if (F < 1)
        {
            switch (R)
            {
                case 0:
                    return string.Format("{0:0.00} byte", Size);
                case 1:
                    return string.Format("{0:0.00} kb", Size);
                case 2:
                    return string.Format("{0:0.00} mb", Size);
                case 3:
                    return string.Format("{0:0.00} gb", Size);
            }
        }
        return ConvertToPrettySize(F, ++R);
    }
}
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