自由手記

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Data;
using System.Xml;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            String sss = "{ \"firstName\": \"John\", \"lastName\": \"Smith\", \"sex\": \"third\",  \"age\": 25,  \"address\":    {   \"streetAddress\": \"21 2nd Street\",  \"city\": \"New York\",       \"state\": \"NY\",       \"postalCode\": \"10021\"    },   \"phoneNumber\":    [        {          \"type\": \"home\",        \"number\": \"212 555-1234\"        },       {           \"type\": \"fax\",          \"number\": \"646 555-4567\"        }  ] }";
           XmlDocument  testc= JsonToXml(sss);
        }
        public static XmlDocument JsonToXml(string sJson)
        {
            var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
            var dic = (Dictionary<string, object>)serializer.DeserializeObject(sJson);
            var doc = new XmlDocument();
            XmlDeclaration xmlDec = doc.CreateXmlDeclaration("1.0", "UTF-8", null);
            doc.InsertBefore(xmlDec, doc.DocumentElement);
            XmlElement root = doc.CreateElement("Invoice");
            doc.AppendChild(root);
            foreach (var item in dic)
            {
                XmlElement element = doc.CreateElement(item.Key);
                KeyValue2Xml(element, item);
                root.AppendChild(element);
            }
            return doc;
        }
        private static void KeyValue2Xml(XmlElement node, KeyValuePair<string, object> source)
        {
            object kValue = source.Value;
            if (kValue.GetType() == typeof(Dictionary<string, object>))
            {
                var dictionary = kValue as Dictionary<string, object>;
                if (dictionary != null)
                    foreach (var item in dictionary)
                    {
                        if (node.OwnerDocument != null)
                        {
                            XmlElement element = node.OwnerDocument.CreateElement(item.Key);
                            KeyValue2Xml(element, item);
                            node.AppendChild(element);
                        }
                    }
            }
            else if (kValue.GetType() == typeof(object[]))
            {
                var o = kValue as object[];
                if (o != null)
                    foreach (object t in o)
                    {
                        if (node.OwnerDocument != null)
                        {
                            XmlElement xitem = node.OwnerDocument.CreateElement("Item");
                            var item = new KeyValuePair<string, object>("Item", t);
                            KeyValue2Xml(xitem, item);
                            node.AppendChild(xitem);
                        }
                    }
            }
            else
            {
                if (node.OwnerDocument != null)
                {
                    XmlText text = node.OwnerDocument.CreateTextNode(kValue.ToString());
                    node.AppendChild(text);
                }
            }
        }
    }
}