我仍然希望有更好的方法,但现在我实现了一个值转换器,使用了一个 HTML 解码器,然后手动修复字符 &145; 通过 &149;。不过,我愿意接受更好的解决方案!
public class HTMLEscapedCharactersConverter : IValueConverter
{
private static readonly char[] MapChars = {'\x091', '\x092', '\x093', '\x094'};
object IValueConverter.Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var htmlText = value as string;
if (!string.IsNullOrEmpty(htmlText))
{
htmlText = System.Net.WebUtility.HtmlDecode(htmlText);
if (htmlText.IndexOfAny(MapChars) > 0)
{
var decodedText = new StringBuilder(htmlText.Length);
foreach (var ch in htmlText)
switch (ch)
{
// Windows Code page 1252: http://en.wikipedia.org/wiki/Windows-1252
case '\x091':
decodedText.Append('\x2018');
break;
case '\x092':
decodedText.Append('\x2019');
break;
case '\x093':
decodedText.Append('\x201C');
break;
case '\x094':
decodedText.Append('\x201D');
break;
default:
decodedText.Append(ch);
break;
}
return decodedText.ToString();
}
}
return htmlText ?? String.Empty;
}
object IValueConverter.ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
var s = value as string;
if (s != null)
{
s = WebUtility.HtmlEncode(s);
}
return s ?? String.Empty;
}
}