我正在尝试使用 XmlNamespaceManager 将 namespace 添加到 XmlDocument。这是当前的 xml:
<?xml version="1.0"?>
<kml>
<Document>
<Placemark>
</Placemark>
</Document>
</kml>
我希望它转换为这个 xml(使用 XmlNamespaceManager):
<?xml version="1.0"?>
<kml xmlns="http://www.opengis.net/kml/2.2"
xmlns:gx="http://www.google.com/kml/ext/2.2"
xmlns:kml="http://www.opengis.net/kml/2.2"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<Document>
<Placemark>
</Placemark>
</Document>
</kml>
但我无法更改 xml。这是代码,我知道它应该很容易修复:
public void addXmlns()
{
string xml = @"<?xml version=""1.0""?>
<kml>
<Document>
<Placemark>
</Placemark>
</Document>
</kml>";
var xmldoc = new XmlDocument();
xmldoc.LoadXml(xml);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmldoc.NameTable);
//Add the namespaces
nsmgr.AddNamespace("", "http://www.opengis.net/kml/2.2");
nsmgr.AddNamespace("gx", "http://www.google.com/kml/ext/2.2");
nsmgr.AddNamespace("kml", "http://www.opengis.net/kml/2.2");
nsmgr.AddNamespace("atom", "http://www.w3.org/2005/Atom");
nsmgr.AddNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance");
string message;
message = xmldoc.InnerXml;
MessageBox.Show(message); // still shows the original xml
}
提前致谢
更新#1 - 试过这个但它也没有改变 XML:
public void addXmlns()
{
string xml = @"<?xml version=""1.0""?>
<kml>
<Document>
<Placemark>
</Placemark>
</Document>
</kml>";
var xmldoc = new XmlDocument();
xmldoc.LoadXml(xml);
XmlSchema schema = new XmlSchema();
schema.Namespaces.Add("", "http://www.opengis.net/kml/2.2");
schema.Namespaces.Add("gx", "http://www.google.com/kml/ext/2.2");
schema.Namespaces.Add("kml", "http://www.opengis.net/kml/2.2");
schema.Namespaces.Add("atom", "http://www.w3.org/2005/Atom");
schema.Namespaces.Add("xsi", "http://www.w3.org/2001/XMLSchema-instance");
xmldoc.Schemas.Add(schema);
string message;
message = xmldoc.InnerXml;
MessageBox.Show(message); // still shows the original xml
}
最佳答案
解决方案:这终于奏效了:
public void addXmlns()
{
string xml = @"<?xml version=""1.0""?>
<kml>
<Document>
<Placemark>
</Placemark>
</Document>
</kml>";
var xmldoc = new XmlDocument();
xmldoc.LoadXml(xml);
xmldoc.DocumentElement.SetAttribute("xmlns", "http://www.opengis.net/kml/2.2");
xmldoc.DocumentElement.SetAttribute("xmlns:gx", "http://www.google.com/kml/ext/2.2");
xmldoc.DocumentElement.SetAttribute("xmlns:kml", "http://www.opengis.net/kml/2.2");
xmldoc.DocumentElement.SetAttribute("xmlns:atom", "http://www.w3.org/2005/Atom");
xmldoc.DocumentElement.SetAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
string message;
message = xmldoc.InnerXml;
MessageBox.Show(message); // shows the updated xml
}
关于c# - 使用 XmlNamespaceManager 将命名空间添加到 XmlDocument,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20659248/