public class KeyValue    {        private string key = string.Empty;        public string Key        {            get { return key; }            set { key = value; }        }        private string value = string.Empty;        public string Value        {            get { return this.value; }            set { this.value = value; }        }        public KeyValue(string key, string value)        {            this.Key = key;            this.Value = value;        }    }    public class Result    {        public static string CreateResult(string status, string message, List
     
       rsList)        {            try            {                XmlDocument xmlDoc = new XmlDocument();                //创建类型声明节点                  XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", "");                xmlDoc.AppendChild(node);                //创建根节点                  XmlNode root = xmlDoc.CreateElement("data");                xmlDoc.AppendChild(root);                XmlNode result = xmlDoc.CreateNode(XmlNodeType.Element, "result", null);                CreateNode(xmlDoc, result, "status", status);                CreateNode(xmlDoc, result, "message", message);                root.AppendChild(result);                XmlNode writetext = xmlDoc.CreateNode(XmlNodeType.Element, "writetext", null);                root.AppendChild(writetext);                if (rsList != null)                {                    for (int i = 0; i < rsList.Count; i++)                    {                        CreateNode(xmlDoc, writetext, rsList[i].Key, rsList[i].Value);                    }                }                return xmlDoc.InnerXml;            }            catch (Exception)            {                throw;            }        }        public static void CreateNode(XmlDocument xmlDoc, XmlNode parentNode, string name, string value)        {            XmlNode node = xmlDoc.CreateNode(XmlNodeType.Element, name, null);            node.InnerText = value;            parentNode.AppendChild(node);        }        public static XmlDocument CreateTitle(string status, string message)        {            try            {                XmlDocument xmlDoc = new XmlDocument();                //创建类型声明节点                  XmlNode node = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", "");                xmlDoc.AppendChild(node);                //创建根节点                  XmlNode root = xmlDoc.CreateElement("data");                xmlDoc.AppendChild(root);                XmlNode result = xmlDoc.CreateNode(XmlNodeType.Element, "result", null);                CreateNode(xmlDoc, result, "status", status);                CreateNode(xmlDoc, result, "message", message);                root.AppendChild(result);                return xmlDoc;            }            catch (Exception)            {                throw;            }        }        public static string CreateList(XmlDocument xmlDoc, string elementParent, string item, List
      
        rsList)        {            try            {                XmlNode xmlNode = xmlDoc.SelectSingleNode("data");                XmlNode writetext = xmlNode.SelectSingleNode(elementParent);                XmlNode itemNode = null;                if (writetext == null)                {                    writetext = xmlDoc.CreateNode(XmlNodeType.Element, elementParent, null);                    xmlNode.AppendChild(writetext);                    itemNode = xmlDoc.CreateNode(XmlNodeType.Element, item, null);                    writetext.AppendChild(itemNode);                }                else                {                    itemNode = xmlDoc.CreateNode(XmlNodeType.Element, item, null);                    writetext.AppendChild(itemNode);                }                if (rsList != null)                {                    for (int i = 0; i < rsList.Count; i++)                    {                        CreateNode(xmlDoc, itemNode, rsList[i].Key, rsList[i].Value);                    }                }                return xmlDoc.InnerXml;            }            catch (Exception)            {                throw;            }        }    }    public enum ResultState    {        success = 1, failed = 0, none = -1, error = -2, mserror = -3    }    public class HelperXml    {        /// 
       
        /// 解析xml        /// 
        /// 
               public static XmlNode AnalysisXml(string xmlfile)        {            try            {                System.Xml.XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(xmlfile);                XmlNode root = xmlDoc.SelectSingleNode("master");                //获取根节点下所有子节点                XmlNodeList nodelist = root.ChildNodes;                return root;            }            catch (Exception)            {                throw;            }        }        /// 
       
        /// 获取指定节点下所有节点        /// 
        /// 
               /// 
               /// 
               public static XmlNode GetAppointXmlnode(XmlNode xmlNode, string nodeName)        {            try            {                XmlNode node = xmlNode.SelectSingleNode(nodeName);                return node;            }            catch (Exception)            {                throw;            }        }    }