DynamicXml【转】

 class DynamicXml : DynamicObject, IEnumerable
    {
        private readonly List<XElement> _elements;

        public DynamicXml(string text)
        {
            var doc = XDocument.Parse(text);
            _elements = new List<XElement> { doc.Root };
        }

        protected DynamicXml(XElement element)
        {
            _elements = new List<XElement> { element };
        }

        protected DynamicXml(IEnumerable<XElement> elements)
        {
            _elements = new List<XElement>(elements);
        }

        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
            result = null;
            if (binder.Name == "Value")
            {
                result = _elements[0].Value;
            }
            else if (binder.Name == "Count")
            {
                result = _elements.Count;
            }
            else
            {

                var attr = _elements[0].Attribute(XName.Get(binder.Name));
                if (attr != null)
                {
                    result = attr;
                }
                else
                {
                    var items = _elements.Descendants(XName.Get(binder.Name));
                    if (items == null || items.Count() == 0)
                    {
                        return false;
                    }
                    result = new DynamicXml(items);

                }
            }

            return true;
        }

        public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
        {
            int ndx = (int)indexes[0];
            result = new DynamicXml(_elements[ndx]);
            return true;
        }

        public IEnumerator GetEnumerator()
        {
            foreach (var element in _elements)
            {
                yield return new DynamicXml(element);
            }

        }
    }

DynamicJson在NuGet中可以获取