C# 解析Xml文件

 private void LoadXMLDocument(string fileName, string xml)
        {
            XmlDocument xmlDoc = new XmlDocument();
            XmlReaderSettings setting = new XmlReaderSettings();
            setting.IgnoreComments = true;
            setting.IgnoreWhitespace = true;
            MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(xml));
            XmlReader reader = XmlReader.Create(stream, setting);
            xmlDoc.Load(reader);
            XmlNode node = xmlDoc.FirstChild;
            do
            {
                node = node.NextSibling;
            }
            while (node.NodeType == XmlNodeType.Comment);

            string type = node.Attributes["type"].Value;
            System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
            Type refType = assembly.GetType("Core.Template." + type);

            if (refType != null)
            {
                XmlNodeList nodeList = node.ChildNodes;
                List<PrototypeData> dataList = null;

                for (int i = 0; i < nodeList.Count; i++)
                {
                    XmlNode childNode = nodeList[i];

                    if (childNode.NodeType == XmlNodeType.Comment)
                    {
                        continue;
                    }

                    PrototypeData prototypeData = System.Activator.CreateInstance(refType) as PrototypeData;
                    prototypeData.LoadData(childNode);
                    if (dicData.ContainsKey(prototypeData.mPrototypeID) == false)
                    {
                        dicData.Add(prototypeData.mPrototypeID, prototypeData);
                        if (!mAllPrototyByType.TryGetValue(type, out dataList))
                        {
                            dataList = new List<PrototypeData>();
                            mAllPrototyByType.Add(type, dataList);
                        }
                        dataList.Add(prototypeData);
                    }
                    else
                    {
                        GameDebug.LogError(fileName + "表有重复ID=" + prototypeData.mPrototypeID);
                    }
                }
            }
        }