xml操作

XML绑定TreeView private void XmlOperation_Load(object sender, EventArgs e)        {            path = AppDomain.CurrentDomain.BaseDirectory + @"NameList.xml";            xml.Load(path);//加载xml文件            bindTvXml();        }        /// <summary>        /// 绑定TreeView        /// </summary>        private void bindTvXml()        {            for (int i = 0; i < xml.DocumentElement.ChildNodes.Count; i++)            {                XmlNode Xnode = xml.DocumentElement.ChildNodes[i];                TreeNode node = new TreeNode();                node.Text = Xnode.Attributes["name"].Value;                node.Tag = Xnode;                bindChildNode(node, Xnode);//绑定子节点                TvXml.Nodes.Add(node);                TvXml.HideSelection = false;            }        }                /// <summary>        /// 递归绑定子节点        /// </summary>        /// <param name="node"></param>        /// <param name="xml"></param>        private void bindChildNode(TreeNode node, XmlNode xml)        {            for (int i = 0; i < xml.ChildNodes.Count; i++)            {                TreeNode Childnode = new TreeNode();                XmlNode ChildXml = xml.ChildNodes[i];                Childnode.Text = ChildXml.Value;                Childnode.Name = "1";                Childnode.Tag = xml.ChildNodes[i];                if (ChildXml.HasChildNodes)                {                    if (ChildXml.ChildNodes[0].NodeType == XmlNodeType.Text)                        Childnode.Text = ChildXml.ChildNodes[0].InnerText;                    else                        bindChildNode(Childnode, ChildXml);                }                node.Nodes.Add(Childnode);            }                   }public class ManageXML    {        /// <summary>        /// 返回用户操作的SQL语句        /// </summary>        /// <param name="sqlNodeName">XML的操作节点</param>        /// <returns>操作的sql语句</returns>        public static string GetXMLPath(string strXMlFileName)        {            string m_strFullPath = "";            Assembly Asm = Assembly.GetExecutingAssembly();            //获取文件的路径                              //m_strFullPath = Asm.Location.Substring(0, (Asm.Location.LastIndexOf("\\") + 1)) + "XMLSql.xml";            m_strFullPath = AppDomain.CurrentDomain.BaseDirectory + "XMLLibrary\\" + strXMlFileName;            return m_strFullPath;        }        /// <summary>        /// 获取XML数据库中的数据的方法        /// </summary>        /// <param name="strFilePath">传入文件路径</param>        /// <returns>返回一个数据集</returns>        public static DataSet GetAllDataFromXML(string strFilePath)        {            DataSet ds = new DataSet();            FileInfo fileInfo = new FileInfo(strFilePath);            if (fileInfo.Exists)            {                try                {                    ds.ReadXml(strFilePath);                }                catch { }            }            else            {                ds = null;            }            if (ds != null)            {                if (ds.Tables[0].Rows.Count < 1)                    ds = null;            }            return ds;        }        /// <summary>        /// 获取指定目录下所有子节点的值        /// </summary>        /// <param name="strFileName">文件路径</param>        /// <param name="nodeDir">节点目录</param>        /// <returns></returns>        public static  Hashtable GetNodeList(string strFileName, string nodeDir)        {            Hashtable strNodeList = new Hashtable();            try            {                XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(strFileName);                XmlNodeList nodeList = xmlDoc.SelectSingleNode(nodeDir).ChildNodes;//获取bookstore节点的所有子节点                 foreach (XmlNode xn in nodeList)     //遍历所有子节点                 {                    XmlElement xe = (XmlElement)xn;  //将子节点类型转换为XmlElement类型                     strNodeList.Add(xe.GetAttribute("id").ToString(), xe.InnerText.Trim());                }            }            catch (Exception)            {                throw;            }            return strNodeList;        }        /// <summary>        /// 获取指定节点的值        /// </summary>        /// <param name="strFileName">文件路径</param>        /// <param name="nodeName">节点名称</param>        /// <param name="value">设置后的值</param>        /// <param name="nodeDir">指定节点所在的节点目录</param>        /// <returns></returns>        public static string GetNodeValue(string strFileName, string nodeName, string nodeDir)        {            string value = null;            try            {                XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(strFileName);                XmlNodeList nodeList = xmlDoc.SelectSingleNode(nodeDir).ChildNodes;//获取bookstore节点的所有子节点                 foreach (XmlNode xn in nodeList)    //遍历所有子节点                 {                    XmlElement xe = (XmlElement)xn;  //将子节点类型转换为XmlElement类型                     if (xe.Name == nodeName)                    {                        value = xe.InnerText.Trim();                        break;                    }                }            }            catch (Exception exp)            {                throw exp;            }            return value;        }        /// <summary>        /// 获取指定节点下面对应属性的值        /// </summary>        /// <param name="strFileName">文件路径</param>        /// <param name="nodeName">节点名称</param>        /// <param name="nodeDir">指定节点所在的节点目录</param>        /// <param name="attribute">节点对应的属性名称</param>        /// <returns></returns>        public static string GetNodeValue(string strFileName, string nodeName, string nodeDir, string attribute)        {            string value = null;            try            {                XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(strFileName);                XmlNodeList nodeList = xmlDoc.SelectSingleNode(nodeDir).ChildNodes;//获取bookstore节点的所有子节点                 foreach (XmlNode xn in nodeList)    //遍历所有子节点                 {                    XmlElement xe = (XmlElement)xn;  //将子节点类型转换为XmlElement类型                     if (xe.Name == nodeName)                    {                        //value = xe.InnerText.Trim();                        value = (xe).Attributes[attribute].Value;                        break;                    }                }            }            catch (Exception exp)            {                throw exp;            }            return value;        }        /// <summary>        /// 修改指定结点值        /// </summary>        /// <param name="strFileName">文件路径</param>        /// <param name="nodeName">节点名称</param>        /// <param name="value">设置后的值</param>        /// <param name="nodeDir">指定节点所在的节点目录</param>        /// <returns></returns>        public static bool UpdateNoteValue(string strFileName, string nodeName, string value, string nodeDir)        {            bool isSucceed = false;            try            {                XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(strFileName);                XmlNodeList nodeList = xmlDoc.SelectSingleNode(nodeDir).ChildNodes;//获取bookstore节点的所有子节点                 foreach (XmlNode xn in nodeList)    //遍历所有子节点                 {                    XmlElement xe = (XmlElement)xn;  //将子节点类型转换为XmlElement类型                     if (xe.Name == nodeName)                    {                        xe.InnerText = value;                        isSucceed = true;                        break;                    }                }                xmlDoc.Save(strFileName);            }            catch (Exception exp)            {                throw exp;            }            return isSucceed;        }        /// <summary>        /// 修改指定结点值        /// </summary>        /// <param name="strFileName">文件路径</param>        /// <param name="nodeName">节点名称</param>        /// <param name="value">设置后的值</param>        /// <param name="nodeDir">指定节点所在的节点目录</param>        /// <returns></returns>        public static bool UpdateNoteValue(string strFileName, string nodeName, string value, string nodeDir, string attribute, string attributeValue)        {            bool isSucceed = false;            try            {                XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(strFileName);                XmlNodeList nodeList = xmlDoc.SelectSingleNode(nodeDir).ChildNodes;//获取bookstore节点的所有子节点                 foreach (XmlNode xn in nodeList)    //遍历所有子节点                 {                    XmlElement xe = (XmlElement)xn;  //将子节点类型转换为XmlElement类型                     if (xe.Name == nodeName)                    {                        xe.InnerText = value;                        (xe).Attributes[attribute].Value = attributeValue;                        isSucceed = true;                        break;                    }                }                xmlDoc.Save(strFileName);            }            catch (Exception exp)            {                throw exp;            }            return isSucceed;        }        /// <summary>        /// 修改指定结点值        /// </summary>        /// <param name="strFileName">文件路径</param>        /// <param name="nodeName">节点名称</param>        /// <param name="value">设置后的值</param>        /// <param name="nodeDir">指定节点所在的节点目录</param>        /// <returns></returns>        public static bool UpdateNoteValue(string strFileName, Hashtable hstable, string nodeDir)        {            bool isSucceed = false;            try            {                XmlDocument xmlDoc = new XmlDocument();                xmlDoc.Load(strFileName);                XmlNodeList nodeList = xmlDoc.SelectSingleNode(nodeDir).ChildNodes;//获取bookstore节点的所有子节点                 foreach (DictionaryEntry item in hstable)                {                    foreach (XmlNode xn in nodeList)    //遍历所有子节点                     {                        XmlElement xe = (XmlElement)xn;  //将子节点类型转换为XmlElement类型                         if (xe.Name == item.Key.ToString())                        {                            xe.InnerText = item.Value.ToString();                            isSucceed = true;                            break;                        }                    }                }                xmlDoc.Save(strFileName);            }            catch (Exception exp)            {                throw exp;            }            return isSucceed;        }}        /// <summary>        /// 移除选定节点集的所有属性        /// </summary>        /// <param name="xmlPathNode"></param>        public void RemoveAllAttribute(string xmlPathNode)        {            XmlNodeList xnl = objXmlDoc.SelectNodes(xmlPathNode);            foreach (XmlNode xn in xnl)            {                xn.Attributes.RemoveAll();            }        }        public void DeleteNode(string Node)        {            //刪除一个节点。            try            {                string mainNode = Node.Substring(0, Node.LastIndexOf("/"));                objXmlDoc.SelectSingleNode(mainNode).RemoveChild(objXmlDoc.SelectSingleNode(Node));            }            catch            {                //throw;                   return;            }        }        public void InsertNodeWithChild(string mainNode, string ChildNode, string Element, string Content)        {            //插入一节点和此节点的一子节点。            XmlNode objRootNode = objXmlDoc.SelectSingleNode(mainNode);            XmlElement objChildNode = objXmlDoc.CreateElement(ChildNode);            objRootNode.AppendChild(objChildNode);//插入节点            XmlElement objElement = objXmlDoc.CreateElement(Element);            objElement.InnerText = Content;            objChildNode.AppendChild(objElement);//插入子节点        }        /// <summary>        /// 插入一个节点，带一个Attribute和innerText        /// </summary>        /// <param name="mainNode"></param>        /// <param name="Element">节点名称</param>        /// <param name="Attrib">Attribute名称</param>        /// <param name="AttribContent">Attribute值</param>        /// <param name="Content">innerText值</param>        public void InsertNode(string mainNode, string Element, string Attrib, string AttribContent, string Content)        {            XmlNode objNode = objXmlDoc.SelectSingleNode(mainNode);            XmlElement objElement = objXmlDoc.CreateElement(Element);            objElement.SetAttribute(Attrib, AttribContent);            objElement.InnerText = Content;            objNode.AppendChild(objElement);        }        /// <summary>        /// 插入一个节点，带一个Attribute        /// </summary>        /// <param name="mainNode"></param>        /// <param name="Element">节点名称</param>        /// <param name="Attrib">Attribute名称</param>        /// <param name="AttribContent">Attribute值</param>           public void InsertNode(string mainNode, string Element, string Attrib, string AttribContent)        {            XmlNode objNode = objXmlDoc.SelectSingleNode(mainNode);            XmlElement objElement = objXmlDoc.CreateElement(Element);            objElement.SetAttribute(Attrib, AttribContent);            objNode.AppendChild(objElement);        }        /// <summary>        /// 插入一个节点        /// </summary>        /// <param name="mainNode"></param>        /// <param name="Element">节点名称</param>               public void InsertNode(string mainNode, string Element)        {            XmlNode objNode = objXmlDoc.SelectSingleNode(mainNode);            XmlElement objElement = objXmlDoc.CreateElement(Element);            objNode.AppendChild(objElement);        }        //<summary>        //插入一个节点，带多个属性和一个inner text        //</summary>        public void InsertNode(string mainNode, string elementName, string[] arrAttributeName, string[] arrAttributeContent, string elementContent)        {            try            {                XmlNode objNode = objXmlDoc.SelectSingleNode(mainNode);                XmlElement objElement = objXmlDoc.CreateElement(elementName);                for (int i = 0; i <= arrAttributeName.GetUpperBound(0); i++)                {                    objElement.SetAttribute(arrAttributeName[i], arrAttributeContent[i]);                }                objElement.InnerText = elementContent;                objNode.AppendChild(objElement);            }            catch            {                throw;                //string t = mainNode;            }        }        ///<summary>        ///插入一个节点，带多个属性        ///</summary>        public void InsertNode(string mainNode, string elementName, string[] arrAttributeName, string[] arrAttributeContent)        {            try            {                XmlNode objNode = objXmlDoc.SelectSingleNode(mainNode);                XmlElement objElement = objXmlDoc.CreateElement(elementName);                for (int i = 0; i <= arrAttributeName.GetUpperBound(0); i++)                {                    objElement.SetAttribute(arrAttributeName[i], arrAttributeContent[i]);                }                //objElement.InnerText = elementContent;                objNode.AppendChild(objElement);            }            catch            {                throw;                //string t = mainNode;            }        }        /// <summary>        /// 插入子节点(带多个属性)        /// </summary>        /// <param name="parentNode">要插入的父节点</param>        /// <param name="elementName">插入的节点名称</param>        /// <param name="arrAttributeName">属性名称[数组]</param>        /// <param name="arrAttributeContent">属性内容[数组]</param>        /// <param name="elementContent">节点内容</param>        public void AddChildNode(string parentNodePath, string elementName, string[] arrAttributeName, string[] arrAttributeContent, string elementContent)        {            try            {                XmlNode parentNode = objXmlDoc.SelectSingleNode(parentNodePath);                XmlElement objChildElement = objXmlDoc.CreateElement(elementName);                for (int i = 0; i <= arrAttributeName.GetUpperBound(0); i++)                {                    objChildElement.SetAttribute(arrAttributeName[i], arrAttributeContent[i]);                }                objChildElement.InnerText = elementContent;                parentNode.AppendChild(objChildElement);            }            catch            {                return;            }        }        /// <summary>        /// 插入子节点(将内容以CData形式写入)        /// </summary>        /// <param name="parentNode">要插入的父节点</param>        /// <param name="elementName">插入的节点名称</param>        /// <param name="elementContent">节点内容</param>        public void AddChildNodeCData(string parentNodePath, string elementName, string elementContent)        {            try            {                XmlNode parentNode = objXmlDoc.SelectSingleNode(parentNodePath);                XmlElement objChildElement = objXmlDoc.CreateElement(elementName);                //写入cData数据                XmlCDataSection xcds = objXmlDoc.CreateCDataSection(elementContent);                objChildElement.AppendChild(xcds);                parentNode.AppendChild(objChildElement);            }            catch            {                return;            }        }        /// <summary>        /// 插入子节点(仅内容，不带属性)        /// </summary>        /// <param name="parentNode">要插入的父节点</param>        /// <param name="elementName">插入的节点名称</param>        /// <param name="elementContent">节点内容</param>        public void AddChildNode(string parentNodePath, string elementName, string elementContent)        {            try            {                XmlNode parentNode = objXmlDoc.SelectSingleNode(parentNodePath);                XmlElement objChildElement = objXmlDoc.CreateElement(elementName);                objChildElement.InnerText = elementContent;                parentNode.AppendChild(objChildElement);            }            catch            {                return;            }        }        /// <summary>        /// 根据xpath值查找节点        /// </summary>        /// <param name="NodePath">要查找节点的xpath值</param>        /// <returns>找到返回true,否则返回true</returns>        public bool FindNode(string NodePath)        {            try            {                if (objXmlDoc.SelectSingleNode(NodePath) != null)                {                    return true;                }                else                {                    return false;                }            }            catch            {                return false;            }        }