.NET XMLDocument Encoding issue
本文关键字:issue Encoding XMLDocument NET | 更新日期: 2023-09-27 18:27:44
我现在面临一个非常具体的问题。我将一些数据存储在XMLDocument中,并将其保存在HDD上。它们看起来像这样:
<?xml version="1.0" encoding="utf-8"?>
<Settings>
<Units>
<Unit>
<Name>Kilogramm</Name>
<ShortName>Kg</ShortName>
</Unit>
<Unit>
<Name>Flasche(n)</Name>
<ShortName>Fl</ShortName>
</Unit>
<Unit>
<Name>Stück</Name>
<ShortName>St</ShortName>
</Unit>
<Unit>
<Name>Beutel</Name>
<ShortName>Btl</ShortName>
</Unit>
<Unit>
<Name>Schale</Name>
<ShortName>Sch</ShortName>
</Unit>
<Unit>
<Name>Kiste</Name>
<ShortName>Ki</ShortName>
</Unit>
<Unit>
<Name>Meter</Name>
<ShortName>m</ShortName>
</Unit>
<Unit>
<Name>Stunde(n)</Name>
<ShortName>h</ShortName>
</Unit>
<Unit>
<Name>Glas</Name>
<ShortName>Gl</ShortName>
</Unit>
<Unit>
<Name>Portion</Name>
<ShortName>Port</ShortName>
</Unit>
<Unit>
<Name>Dose</Name>
<ShortName>Do</ShortName>
</Unit>
<Unit>
<Name>Paket</Name>
<ShortName>Pa</ShortName>
</Unit>
</Units>
</Settings>
我正在通过XMLDocument.Load((加载文件并使用XMLDocument.Save((保存它。但是现在我从旧PC保存了文件,现在在保存并重新加载后,特殊字符(ä,ö,ü(出现异常.
实际上,在记事本中查看文件没有显示任何差异,但是在十六进制上查看有一些!这怎么可能?
您可以使用此扩展方法在保存之前设置解码。
/// <summary>
/// Gets the XmlDeclaration if it exists, creates a new if not.
/// </summary>
/// <param name="xmlDocument"></param>
/// <returns></returns>
public static XmlDeclaration GetOrCreateXmlDeclaration(this XmlDocument xmlDocument)
{
XmlDeclaration xmlDeclaration = null;
if (xmlDocument.HasChildNodes)
xmlDeclaration = xmlDocument.FirstChild as XmlDeclaration;
if (xmlDeclaration != null)
return xmlDeclaration;
//Create an XML declaration.
xmlDeclaration = xmlDocument.CreateXmlDeclaration("1.0", null, null);
//Add the new node to the document.
XmlElement root = xmlDocument.DocumentElement;
xmlDocument.InsertBefore(xmlDeclaration, root);
return xmlDeclaration;
}
用法:
XmlDeclaration xmlDeclaration = xmlDocument.GetOrCreateXmlDeclaration();
xmlDeclaration.Encoding = Encoding.UTF8.WebName;
xmlDocument.Save(@"filename");
可以直接
添加声明
var Doc = new XmlDocument();
Doc.AppendChild(Doc.CreateXmlDeclaration("1.0", "utf-8", null));
var productsNode = Doc.AppendChild(Doc.CreateElement("products"));
//do other stuff