C# 使用动态将 XML 反序列化为对象
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时间：2020-08-10 09:30:19 来源:igfitidea点击:
Deserialize XML To Object using Dynamic
提问by user1875919
Is it possible Deserialize unknown XML to object like below?
是否可以将未知的 XML 反序列化为如下所示的对象？
var xml = @"<Students><Student><Name>Arul</Name><Mark>90</Mark></Student></Students>";
var serializer = new XmlSerializer(typeof(DynamicObject));
dynamic students = serializer.Deserialize(new XmlTextReader(new StringReader(xml)));
采纳答案by L.B
You may want to try this.
你可能想试试这个。
string xml = @"<Students>
<Student ID=""100"">
<Name>Arul</Name>
<Mark>90</Mark>
</Student>
<Student>
<Name>Arul2</Name>
<Mark>80</Mark>
</Student>
</Students>";
dynamic students = DynamicXml.Parse(xml);
var id = students.Student[0].ID;
var name1 = students.Student[1].Name;
foreach(var std in students.Student)
{
Console.WriteLine(std.Mark);
}
public class DynamicXml : DynamicObject
{
XElement _root;
private DynamicXml(XElement root)
{
_root = root;
}
public static DynamicXml Parse(string xmlString)
{
return new DynamicXml(XDocument.Parse(xmlString).Root);
}
public static DynamicXml Load(string filename)
{
return new DynamicXml(XDocument.Load(filename).Root);
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
result = null;
var att = _root.Attribute(binder.Name);
if (att != null)
{
result = att.Value;
return true;
}
var nodes = _root.Elements(binder.Name);
if (nodes.Count() > 1)
{
result = nodes.Select(n => n.HasElements ? (object)new DynamicXml(n) : n.Value).ToList();
return true;
}
var node = _root.Element(binder.Name);
if (node != null)
{
result = node.HasElements || node.HasAttributes ? (object)new DynamicXml(node) : node.Value;
return true;
}
return true;
}
}
--EDIT--
- 编辑 -
To make it work with xml namespaces, I added RemoveNamespacesmethod.
为了使其适用于 xml 命名空间，我添加了RemoveNamespaces方法。
public class DynamicXml : DynamicObject
{
XElement _root;
private DynamicXml(XElement root)
{
_root = root;
}
public static DynamicXml Parse(string xmlString)
{
return new DynamicXml(RemoveNamespaces(XDocument.Parse(xmlString).Root));
}
public static DynamicXml Load(string filename)
{
return new DynamicXml(RemoveNamespaces(XDocument.Load(filename).Root));
}
private static XElement RemoveNamespaces(XElement xElem)
{
var attrs = xElem.Attributes()
.Where(a => !a.IsNamespaceDeclaration)
.Select(a => new XAttribute(a.Name.LocalName, a.Value))
.ToList();
if (!xElem.HasElements)
{
XElement xElement = new XElement(xElem.Name.LocalName, attrs);
xElement.Value = xElem.Value;
return xElement;
}
var newXElem = new XElement(xElem.Name.LocalName, xElem.Elements().Select(e => RemoveNamespaces(e)));
newXElem.Add(attrs);
return newXElem;
}
public override bool TryGetMember(GetMemberBinder binder, out object result)
{
result = null;
var att = _root.Attribute(binder.Name);
if (att != null)
{
result = att.Value;
return true;
}
var nodes = _root.Elements(binder.Name);
if (nodes.Count() > 1)
{
result = nodes.Select(n => n.HasElements ? (object)new DynamicXml(n) : n.Value).ToList();
return true;
}
var node = _root.Element(binder.Name);
if (node != null)
{
result = node.HasElements || node.HasAttributes ? (object)new DynamicXml(node) : node.Value;
return true;
}
return true;
}
}
