/**********************************************************************************
 * 
 * 功能說明:XML處理基類
 * 作者: 劉功勛;
 * 版本:V0.1(C#2.0);時(shí)間:2006-12-13
 * 
 * *******************************************************************************/
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Xml;
using System.Text;
using MSXML2;


namespace EC
{
    /// <summary>
    /// XML 操作基類
    /// </summary>
    public class XmlObject : IDisposable
    {      

          

        
        //以下為單一功能的靜態(tài)類

        #region 讀取XML到DataSet
        /**************************************************
         * 函數(shù)名稱:GetXml(string XmlPath)
         * 功能說明:讀取XML到DataSet
         * 參    數(shù):XmlPath:xml文檔路徑
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDnsConfig/DnsConfig.xml"); //獲取xml路徑
         *          DataSet ds = EC.XmlObject.GetXml(xmlPath); //讀取xml到DataSet中
         ************************************************/
        /// <summary>
        /// 功能:讀取XML到DataSet中
        /// </summary>
        /// <param name="XmlPath">xml路徑</param>
        /// <returns>DataSet</returns>
        public static DataSet GetXml(string XmlPath)
        {
            DataSet ds = new DataSet();
            ds.ReadXml(@XmlPath);
            return ds;
        }
        #endregion

        #region 讀取xml文檔并返回一個(gè)節(jié)點(diǎn)
        /**************************************************
         * 函數(shù)名稱:ReadXmlReturnNode(string XmlPath,string Node)
         * 功能說明:讀取xml文檔并返回一個(gè)節(jié)點(diǎn):適用于一級(jí)節(jié)點(diǎn)
         * 參    數(shù): XmlPath:xml文檔路徑;Node 返回的節(jié)點(diǎn)名稱 
         * 適應(yīng)用Xml:<?xml version="1.0" encoding="utf-8" ?>
         *           <root>
         *               <dns1>ns1.everdns.com</dns1>
         *          </root>
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDnsConfig/DnsConfig.xml"); //獲取xml路徑
         *          Response.Write(XmlObject.ReadXmlReturnNode(xmlPath, "mailmanager"));
         ************************************************/
        /// <summary>
        /// 讀取xml文檔并返回一個(gè)節(jié)點(diǎn):適用于一級(jí)節(jié)點(diǎn)
        /// </summary>
        /// <param name="XmlPath">xml路徑</param>
        /// <param name="NodeName">節(jié)點(diǎn)</param>
        /// <returns></returns>
        public static string ReadXmlReturnNode(string XmlPath,string Node)
        {
            XmlDocument docXml = new XmlDocument();
            docXml.Load(@XmlPath);
            XmlNodeList xn = docXml.GetElementsByTagName(Node);
            return xn.Item(0).InnerText.ToString();           
        }
        #endregion

        #region 查找數(shù)據(jù),返回一個(gè)DataSet
        /**************************************************
         * 函數(shù)名稱:GetXmlData(string xmlPath, string XmlPathNode)
         * 功能說明:查找數(shù)據(jù),返回當(dāng)前節(jié)點(diǎn)的所有下級(jí)節(jié)點(diǎn),填充到一個(gè)DataSet中
         * 參    數(shù):xmlPath:xml文檔路徑;XmlPathNode:當(dāng)前節(jié)點(diǎn)的路徑
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲取xml路徑
         *          DataSet ds = new DataSet();
         *          ds = XmlObject.GetXmlData(xmlPath, "root/items");//讀取當(dāng)前路徑
         *          this.GridView1.DataSource = ds;
         *          this.GridView1.DataBind();
         *          ds.Clear();
         *          ds.Dispose();
         * Xml示例:
         *         <?xml version="1.0" encoding="utf-8" ?>
         *            <root>
         *              <items name="xinnet">
         *                <url>http://www.paycenter.com.cn/cgi-bin/</url>
         *                <port>80</port>
         *              </items>
         *            </root>
         ************************************************/
        /// <summary>
        /// 查找數(shù)據(jù),返回當(dāng)前節(jié)點(diǎn)的所有下級(jí)節(jié)點(diǎn),填充到一個(gè)DataSet中
        /// </summary>
        /// <param name="xmlPath">xml文檔路徑</param>
        /// <param name="XmlPathNode">節(jié)點(diǎn)的路徑:根節(jié)點(diǎn)/父節(jié)點(diǎn)/當(dāng)前節(jié)點(diǎn)</param>
        /// <returns></returns>
        public static DataSet GetXmlData(string xmlPath, string XmlPathNode)
        {
            XmlDocument objXmlDoc = new XmlDocument();
            objXmlDoc.Load(xmlPath);
            DataSet ds = new DataSet();
            StringReader read = new StringReader(objXmlDoc.SelectSingleNode(XmlPathNode).OuterXml);
            ds.ReadXml(read);
            return ds;        
        }


        #endregion

        #region 更新Xml節(jié)點(diǎn)內(nèi)容
        /**************************************************
         * 函數(shù)名稱:XmlNodeReplace(string xmlPath,string Node,string Content)
         * 功能說明:更新Xml節(jié)點(diǎn)內(nèi)容
         * 參    數(shù):xmlPath:xml文檔路徑;Node:當(dāng)前節(jié)點(diǎn)的路徑;Content:內(nèi)容
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲取xml路徑
         *          XmlObject.XmlNodeReplace(xmlPath, "root/test", "56789");  //更新節(jié)點(diǎn)內(nèi)容
         ************************************************/
        /// <summary>
        /// 更新Xml節(jié)點(diǎn)內(nèi)容
        /// </summary>
        /// <param name="xmlPath">xml路徑</param>
        /// <param name="Node">要更換內(nèi)容的節(jié)點(diǎn):節(jié)點(diǎn)路徑 根節(jié)點(diǎn)/父節(jié)點(diǎn)/當(dāng)前節(jié)點(diǎn)</param>
        /// <param name="Content">新的內(nèi)容</param>
        public static void XmlNodeReplace(string xmlPath,string Node,string Content)
        {
            XmlDocument objXmlDoc = new XmlDocument();
            objXmlDoc.Load(xmlPath);
            objXmlDoc.SelectSingleNode(Node).InnerText = Content;
            objXmlDoc.Save(xmlPath);

        }

        #endregion

        #region 刪除XML節(jié)點(diǎn)和此節(jié)點(diǎn)下的子節(jié)點(diǎn)
        /**************************************************
         * 函數(shù)名稱:XmlNodeDelete(string xmlPath,string Node)
         * 功能說明:刪除XML節(jié)點(diǎn)和此節(jié)點(diǎn)下的子節(jié)點(diǎn)
         * 參    數(shù):xmlPath:xml文檔路徑;Node:當(dāng)前節(jié)點(diǎn)的路徑;
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲取xml路徑
         *          XmlObject.XmlNodeDelete(xmlPath, "root/test");  //刪除當(dāng)前節(jié)點(diǎn)
         ************************************************/
        /// <summary>
        /// 刪除XML節(jié)點(diǎn)和此節(jié)點(diǎn)下的子節(jié)點(diǎn)
        /// </summary>
        /// <param name="xmlPath">xml文檔路徑</param>
        /// <param name="Node">節(jié)點(diǎn)路徑</param>
        public static void XmlNodeDelete(string xmlPath,string Node)
        {
            XmlDocument objXmlDoc = new XmlDocument();
            objXmlDoc.Load(xmlPath);
            string mainNode = Node.Substring(0, Node.LastIndexOf("/"));
            objXmlDoc.SelectSingleNode(mainNode).RemoveChild(objXmlDoc.SelectSingleNode(Node));
            objXmlDoc.Save(xmlPath);
        }

        #endregion

        #region 插入一個(gè)節(jié)點(diǎn)和此節(jié)點(diǎn)的字節(jié)點(diǎn)
        /**************************************************
         * 函數(shù)名稱:XmlInsertNode(string xmlPath, string MailNode, string ChildNode, string Element,string Content)
         * 功能說明:插入一個(gè)節(jié)點(diǎn)和此節(jié)點(diǎn)的字節(jié)點(diǎn)
         * 參    數(shù):xmlPath:xml文檔路徑;MailNode:當(dāng)前節(jié)點(diǎn)的路徑;ChildNode:新插入的節(jié)點(diǎn);Element:插入節(jié)點(diǎn)的子節(jié)點(diǎn);Content:子節(jié)點(diǎn)的內(nèi)容
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲取xml路徑
         *          XmlObject.XmlInsertNode(xmlPath, "root/test","test1","test2","測(cè)試內(nèi)容");  //插入一個(gè)節(jié)點(diǎn)和此節(jié)點(diǎn)的字節(jié)點(diǎn)
         * 生成的XML格式為
         *          <test>
         *               <test1>
         *                    <test2>測(cè)試內(nèi)容</test2>
         *                </test1>
         *            </test>
         ************************************************/
        /// <summary>
        /// 插入一個(gè)節(jié)點(diǎn)和此節(jié)點(diǎn)的字節(jié)點(diǎn)
        /// </summary>
        /// <param name="xmlPath">xml路徑</param>
        /// <param name="MailNode">當(dāng)前節(jié)點(diǎn)路徑</param>
        /// <param name="ChildNode">新插入節(jié)點(diǎn)</param>
        /// <param name="Element">插入節(jié)點(diǎn)的子節(jié)點(diǎn)</param>
        /// <param name="Content">子節(jié)點(diǎn)的內(nèi)容</param>
        public static void XmlInsertNode(string xmlPath, string MailNode, string ChildNode, string Element,string Content)
        {
            XmlDocument objXmlDoc = new XmlDocument();
            objXmlDoc.Load(xmlPath);
            XmlNode objRootNode = objXmlDoc.SelectSingleNode(MailNode);
            XmlElement objChildNode = objXmlDoc.CreateElement(ChildNode);
            objRootNode.AppendChild(objChildNode);
            XmlElement objElement = objXmlDoc.CreateElement(Element);
            objElement.InnerText = Content;
            objChildNode.AppendChild(objElement);
            objXmlDoc.Save(xmlPath);
        }

        #endregion

        #region 插入一節(jié)點(diǎn),帶一屬性
        /**************************************************
         * 函數(shù)名稱:XmlInsertElement(string xmlPath, string MainNode, string Element, string Attrib, string AttribContent, string Content)
         * 功能說明:插入一節(jié)點(diǎn),帶一屬性
         * 參    數(shù):xmlPath:xml文檔路徑;MailNode:當(dāng)前節(jié)點(diǎn)的路徑;Element:新插入的節(jié)點(diǎn);Attrib:屬性名稱;AttribContent:屬性值;Content:節(jié)點(diǎn)的內(nèi)容
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲取xml路徑
         *         XmlObject.XmlInsertElement(xmlPath, "root/test", "test1", "Attrib", "屬性值", "節(jié)點(diǎn)內(nèi)容");  //插入一節(jié)點(diǎn),帶一屬性
         * 生成的XML格式為
         *          <test>
         *              <test1 Attrib="屬性值">節(jié)點(diǎn)內(nèi)容</test1>
         *          </test>
         ************************************************/
        /// <summary>
        /// 插入一節(jié)點(diǎn),帶一屬性
        /// </summary>
        /// <param name="xmlPath">Xml文檔路徑</param>
        /// <param name="MainNode">當(dāng)前節(jié)點(diǎn)路徑</param>
        /// <param name="Element">新節(jié)點(diǎn)</param>
        /// <param name="Attrib">屬性名稱</param>
        /// <param name="AttribContent">屬性值</param>
        /// <param name="Content">新節(jié)點(diǎn)值</param>
        public static void XmlInsertElement(string xmlPath, string MainNode, string Element, string Attrib, string AttribContent, string Content)
        {
            XmlDocument objXmlDoc = new XmlDocument();
            objXmlDoc.Load(xmlPath);
            XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode);
            XmlElement objElement = objXmlDoc.CreateElement(Element);
            objElement.SetAttribute(Attrib, AttribContent);
            objElement.InnerText = Content;
            objNode.AppendChild(objElement);
            objXmlDoc.Save(xmlPath);
        }

        #endregion

        #region 插入一節(jié)點(diǎn)不帶屬性
        /**************************************************
         * 函數(shù)名稱:XmlInsertElement(string xmlPath, string MainNode, string Element, string Content)
         * 功能說明:插入一節(jié)點(diǎn)不帶屬性
         * 參    數(shù):xmlPath:xml文檔路徑;MailNode:當(dāng)前節(jié)點(diǎn)的路徑;Element:新插入的節(jié)點(diǎn);Content:節(jié)點(diǎn)的內(nèi)容
         * 使用示列:
         *          using EC; //引用命名空間
         *          string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲取xml路徑
         *          XmlObject.XmlInsertElement(xmlPath, "root/test", "text1", "節(jié)點(diǎn)內(nèi)容");  //插入一節(jié)點(diǎn)不帶屬性
         * 生成的XML格式為
         *          <test>
         *                  <text1>節(jié)點(diǎn)內(nèi)容</text1>
         *          </test>
         ************************************************/
        public static void XmlInsertElement(string xmlPath, string MainNode, string Element, string Content)
        {
            XmlDocument objXmlDoc = new XmlDocument();
            objXmlDoc.Load(xmlPath);
            XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode);
            XmlElement objElement = objXmlDoc.CreateElement(Element);
            objElement.InnerText = Content;
            objNode.AppendChild(objElement);
            objXmlDoc.Save(xmlPath);
        }

        #endregion


        //必須創(chuàng)建對(duì)象才能使用的類

        private bool _alreadyDispose = false;
        private string xmlPath; 
        private XmlDocument xmlDoc=new XmlDocument();   

        private XmlNode xmlNode;
        private XmlElement xmlElem;    

        #region 構(gòu)造與釋構(gòu)
        public XmlObject()
        {            

        }       
        ~XmlObject()
        {
            Dispose();
        }
        protected virtual void Dispose(bool isDisposing)
        {
            if (_alreadyDispose) return;
            if (isDisposing)
            {
               //
            }
            _alreadyDispose = true;
        }
        #endregion

        #region IDisposable 成員

        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        #endregion

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