我有一个XML（utf-8）字符串。我需要将该字符串存储在数据库（MS SQL）中。编码字符串必须为UTF-16。
该代码不起作用，utf16Xml为空
XDocument xDoc = XDocument.Parse(utf8Xml);
xDoc.Declaration.Encoding = "utf-16";
StringWriter writer = new StringWriter();
XmlWriter xml = XmlWriter.Create(writer, new XmlWriterSettings()
{ Encoding = writer.Encoding, Indent = true });
xDoc.WriteTo(xml);
string utf16Xml = writer.ToString();
utf8Xml-字符串包含序列化对象（编码UTF8）。
如何将xml字符串UTF8转换为UTF16？
这可能对您有帮助
MemoryStream ms = new MemoryStream();
XmlWriterSettings xws = new XmlWriterSettings();
xws.OmitXmlDeclaration = true;
xws.Indent = true;
XDocument xDoc = XDocument.Parse(utf8Xml);
xDoc.Declaration.Encoding = "utf-16";
using (XmlWriter xw = XmlWriter.Create(ms, xws))
{
xDoc.WriteTo(xw);
}
Encoding ut8 = Encoding.UTF8;
Encoding ut116 = Encoding.Unicode;
byte[] utf16XmlArray = Encoding.Convert(ut8, ut116, ms.ToArray());
var utf16Xml = Encoding.Unicode.GetString(utf16XmlArray);
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