/// <summary>  
        /// 返回XMl文件指定元素的指定属性值  
        /// </summary>  
        /// <param name="xmlElement">指定元素</param>  
        /// <param name="xmlAttribute">指定属性</param>  
        /// <returns></returns>  
        public static bool getXmlValue(string key,out string value)
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(xmlName);
 
            XmlNode xmlNode = xmlDoc.SelectSingleNode("root");
 
            XmlNodeList xmlList = xmlNode.SelectNodes("data");
 
            foreach (XmlElement temp in xmlList)
            {
                if (temp.GetAttribute("key").ToString() == key)
                {
                    value = temp.GetAttribute("value");
                    return true;
                }
            }
 
            value = "";
            return false;
        }
 
        /// <summary>  
        /// 设置XMl文件指定元素的指定属性的值  
        /// </summary>  
        /// <param name="xmlElement">指定元素</param>  
        /// <param name="xmlAttribute">指定属性</param>  
        /// <param name="xmlValue">指定值</param>  
        public static bool setXmlValue(string key,string value)
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(xmlName);
 
            XmlNode xmlNode = xmlDoc.SelectSingleNode("root");
 
            XmlNodeList xmlList = xmlNode.SelectNodes("data");
 
            foreach (XmlElement temp in xmlList)
            {
                if (temp.GetAttribute("key").ToString() == key)
                {
                    temp.SetAttribute("value",value);
                    xmlDoc.Save(xmlName);
                    return true;
                }
            }
 
            return false;
 
        }
 
        /// <summary>
        /// 增加一个属性存储
        /// </summary>
        /// <param name="xmlElement"></param>
        /// <param name="xmlAttribute"></param>
        /// <param name="xmlValue"></param>
        public static bool addValue(string xmlElement,string key,string value)
        {
            //XmlDocument xmlDoc = new XmlDocument();
            //xmlDoc.Load(xmlName);
 
            //XmlElement xmlNode = xmlDoc.CreateElement(xmlElement);
            //xmlNode.SetAttribute("key",key);
            //xmlNode.SetAttribute("value",value);
 
            //XmlNode xml = xmlDoc.DocumentElement.PrependChild(xmlNode);
            //xmlDoc.Save(xmlName);
 
            bool isExist = false;
 
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(xmlName);
 
            XmlNode xmlNode1 = xmlDoc.SelectSingleNode("root");
 
            XmlNodeList xmlList = xmlNode1.SelectNodes("data");
 
            foreach (XmlElement temp in xmlList)
            {
                if (temp.GetAttribute("key").ToString() == key)
                {
                    isExist = true;
                }
            }
 
            if (!isExist)
            {
                XmlElement xmlNode = xmlDoc.CreateElement(xmlElement);
                xmlNode.SetAttribute("key",key);
                xmlNode.SetAttribute("value",value);
 
                XmlNode xml = xmlDoc.DocumentElement.PrependChild(xmlNode);
                xmlDoc.Save(xmlName);
                return true;
            }
 
            return false;
        }
 
        /// <summary>
        /// 遍历方法
        /// </summary>
        /// <param name="orglist"></param>
        /// <param name="xmlElement"></param>
        /// <returns></returns>
        public static IDictionary<string,string> Search(List<string> orglist)
        {
            IDictionary<string,string> dic = new Dictionary<string,string>();
 
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load(xmlName);
 
            XmlNode xmlNode1 = xmlDoc.SelectSingleNode("root");
 
            XmlNodeList xmlList = xmlNode1.SelectNodes("data");
 
            foreach (XmlElement temp in xmlList)
            {
                foreach (string tempOrg in orglist)
                {
                    if (temp.GetAttribute("key").ToString() == tempOrg)
                    {
                        dic.Add(tempOrg,temp.GetAttribute("value").ToString());
                    }
                }
            }
 
            return dic;
        }