C#实现的xml操作类完整实例

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;namespace MSCL{  /// <summary>  /// XML 操作基类  /// </summary>  public class XmlHelper : IDisposable  {    //以下为单一功能的静态类    #region 读取XML到DataSet    /**//**************************************************     * 函数名称:GetXml(string XmlPath)     * 功能说明:读取XML到DataSet     * 参  数:XmlPath:xml文档路径     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDnsConfig/DnsConfig.xml"); //获取xml路径     *     DataSet ds = EC.XmlObject.GetXml(xmlPath); //读取xml到DataSet中     ************************************************/    /**//// <summary>    /// 功能:读取XML到DataSet中    /// </summary>    /// <param name="XmlPath">xml路径</param>    /// <returns>DataSet</returns>    public static DataSet GetXml(string XmlPath)    {      DataSet ds = new DataSet();      ds.ReadXml(@XmlPath);      return ds;    }    #endregion    #region 读取xml文档并返回一个节点    /**//**************************************************     * 函数名称:ReadXmlReturnNode(string XmlPath,string Node)     * 功能说明:读取xml文档并返回一个节点:适用于一级节点     * 参  数: XmlPath:xml文档路径;Node 返回的节点名称     * 适应用Xml:<?xml version="1.0" encoding="utf-8" ?>     *      <root>     *        <dns1>ns1.everdns.com</dns1>     *     </root>     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDnsConfig/DnsConfig.xml"); //获取xml路径     *     Response.Write(XmlObject.ReadXmlReturnNode(xmlPath, "mailmanager"));     ************************************************/    /**//// <summary>    /// 读取xml文档并返回一个节点:适用于一级节点    /// </summary>    /// <param name="XmlPath">xml路径</param>    /// <param name="NodeName">节点</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 查找数据,返回一个DataSet    /**//**************************************************     * 函数名称:GetXmlData(string xmlPath, string XmlPathNode)     * 功能说明:查找数据,返回当前节点的所有下级节点,填充到一个DataSet中     * 参  数:xmlPath:xml文档路径;XmlPathNode:当前节点的路径     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //获取xml路径     *     DataSet ds = new DataSet();     *     ds = XmlObject.GetXmlData(xmlPath, "root/items");//读取当前路径     *     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>    /// 查找数据,返回当前节点的所有下级节点,填充到一个DataSet中    /// </summary>    /// <param name="xmlPath">xml文档路径</param>    /// <param name="XmlPathNode">节点的路径:根节点/父节点/当前节点</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节点内容    /**//**************************************************     * 函数名称:XmlNodeReplace(string xmlPath,string Node,string Content)     * 功能说明:更新Xml节点内容     * 参  数:xmlPath:xml文档路径;Node:当前节点的路径;Content:内容     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //获取xml路径     *     XmlObject.XmlNodeReplace(xmlPath, "root/test", "56789"); //更新节点内容     ************************************************/    /**//// <summary>    /// 更新Xml节点内容    /// </summary>    /// <param name="xmlPath">xml路径</param>    /// <param name="Node">要更换内容的节点:节点路径 根节点/父节点/当前节点</param>    /// <param name="Content">新的内容</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 删除XML节点和此节点下的子节点    /**//**************************************************     * 函数名称:XmlNodeDelete(string xmlPath,string Node)     * 功能说明:删除XML节点和此节点下的子节点     * 参  数:xmlPath:xml文档路径;Node:当前节点的路径;     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //获取xml路径     *     XmlObject.XmlNodeDelete(xmlPath, "root/test"); //删除当前节点     ************************************************/    /**//// <summary>    /// 删除XML节点和此节点下的子节点    /// </summary>    /// <param name="xmlPath">xml文档路径</param>    /// <param name="Node">节点路径</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 插入一个节点和此节点的子节点    /**//**************************************************     * 函数名称:XmlInsertNode(string xmlPath, string MailNode, string ChildNode, string Element,string Content)     * 功能说明:插入一个节点和此节点的字节点     * 参  数:xmlPath:xml文档路径;MailNode:当前节点的路径;ChildNode:新插入的节点;Element:插入节点的子节点;Content:子节点的内容     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //获取xml路径     *     XmlObject.XmlInsertNode(xmlPath, "root/test","test1","test2","测试内容"); //插入一个节点和此节点的字节点     * 生成的XML格式为     *     <test>     *        <test1>     *          <test2>测试内容</test2>     *        </test1>     *      </test>     ************************************************/    /**//// <summary>    /// 插入一个节点和此节点的子节点    /// </summary>    /// <param name="xmlPath">xml路径</param>    /// <param name="MailNode">当前节点路径</param>    /// <param name="ChildNode">新插入节点</param>    /// <param name="Element">插入节点的子节点</param>    /// <param name="Content">子节点的内容,已经应用CDATA</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);      XmlCDataSection xcds = objXmlDoc.CreateCDataSection(Content);      objElement.AppendChild(xcds);      objChildNode.AppendChild(objElement);      objXmlDoc.Save(xmlPath);    }    #endregion    #region 插入一节点,带一属性    /**//**************************************************     * 函数名称:XmlInsertElement(string xmlPath, string MainNode, string Element, string Attrib, string AttribContent, string Content)     * 功能说明:插入一节点,带一属性     * 参  数:xmlPath:xml文档路径;MailNode:当前节点的路径;Element:新插入的节点;Attrib:属性名称;AttribContent:属性值;Content:节点的内容     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //获取xml路径     *     XmlObject.XmlInsertElement(xmlPath, "root/test", "test1", "Attrib", "属性值", "节点内容"); //插入一节点,带一属性     * 生成的XML格式为     *     <test>     *       <test1 Attrib="属性值">节点内容</test1>     *     </test>     ************************************************/    /**//// <summary>    /// 插入一节点,带一属性    /// </summary>    /// <param name="xmlPath">Xml文档路径</param>    /// <param name="MainNode">当前节点路径</param>    /// <param name="Element">新节点</param>    /// <param name="Attrib">属性名称</param>    /// <param name="AttribContent">属性值</param>    /// <param name="Content">新节点值</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 插入一节点不带属性    /**//**************************************************     * 函数名称:XmlInsertElement(string xmlPath, string MainNode, string Element, string Content)     * 功能说明:插入一节点不带属性     * 参  数:xmlPath:xml文档路径;MailNode:当前节点的路径;Element:新插入的节点;Content:节点的内容     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //获取xml路径     *     XmlObject.XmlInsertElement(xmlPath, "root/test", "text1", "节点内容"); //插入一节点不带属性     * 生成的XML格式为     *     <test>     *         <text1>节点内容</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    //必须创建对象才能使用的类    private bool _alreadyDispose = false;    private XmlDocument xmlDoc = new XmlDocument();    private XmlNode xmlNode;    private XmlElement xmlElem;    #region 构造与释构    public XmlHelper()    {    }    ~XmlHelper()    {      Dispose();    }    protected virtual void Dispose(bool isDisposing)    {      if (_alreadyDispose) return;      if (isDisposing)      {        //      }      _alreadyDispose = true;    }    #endregion    #region IDisposable 成员    public void Dispose()    {      Dispose(true);      GC.SuppressFinalize(this);    }    #endregion    #region 创建xml文档    /**//**************************************************     * 对象名称:XmlObject     * 功能说明:创建xml文档     * 使用示列:     *     using EC; //引用命名空间     *     string xmlPath = Server.MapPath("test.xml");     *     XmlObject obj = new XmlObject();     *     创建根节点     *     obj.CreateXmlRoot("root");     *     // 创建空节点     *     //obj.CreatXmlNode("root", "Node");     *     //创建一个带值的节点     *     //obj.CreatXmlNode("root", "Node", "带值的节点");     *     //创建一个仅带属性的节点     *     //obj.CreatXmlNode("root", "Node", "Attribe", "属性值");     *     //创建一个仅带两个属性值的节点     *     //obj.CreatXmlNode("root", "Node", "Attribe", "属性值", "Attribe2", "属性值2");     *     //创建一个带属性值的节点值的节点     *     // obj.CreatXmlNode("root", "Node", "Attribe", "属性值","节点值");     *     //在当前节点插入带两个属性值的节点     *     obj.CreatXmlNode("root", "Node", "Attribe", "属性值", "Attribe2", "属性值2","节点值");     *     obj.XmlSave(xmlPath);     *     obj.Dispose();     ************************************************/    #region 创建一个只有声明和根节点的XML文档    /**//// <summary>    /// 创建一个只有声明和根节点的XML文档    /// </summary>    /// <param name="root"></param>    public void CreateXmlRoot(string root)    {      //加入XML的声明段落      xmlNode = xmlDoc.CreateNode(XmlNodeType.XmlDeclaration, "", "");      xmlDoc.AppendChild(xmlNode);      //加入一个根元素      xmlElem = xmlDoc.CreateElement("", root, "");      xmlDoc.AppendChild(xmlElem);    }    #endregion    #region 在当前节点下插入一个空节点节点    /**//// <summary>    /// 在当前节点下插入一个空节点节点    /// </summary>    /// <param name="mainNode">当前节点路径</param>    /// <param name="node">节点名称</param>    public void CreatXmlNode(string mainNode, string node)    {      XmlNode MainNode = xmlDoc.SelectSingleNode(mainNode);      XmlElement objElem = xmlDoc.CreateElement(node);      MainNode.AppendChild(objElem);    }    #endregion    #region 在当前节点插入一个仅带值的节点    /**//// <summary>    /// 在当前节点插入一个仅带值的节点    /// </summary>    /// <param name="mainNode">当前节点</param>    /// <param name="node">新节点</param>    /// <param name="content">新节点值</param>    public void CreatXmlNode(string mainNode, string node, string content)    {      XmlNode MainNode = xmlDoc.SelectSingleNode(mainNode);      XmlElement objElem = xmlDoc.CreateElement(node);      objElem.InnerText = content;      MainNode.AppendChild(objElem);    }    #endregion    #region 在当前节点的插入一个仅带属性值的节点    /**//// <summary>    /// 在当前节点的插入一个仅带属性值的节点    /// </summary>    /// <param name="MainNode">当前节点或路径</param>    /// <param name="Node">新节点</param>    /// <param name="Attrib">新节点属性名称</param>    /// <param name="AttribValue">新节点属性值</param>    public void CreatXmlNode(string MainNode, string Node, string Attrib, string AttribValue)    {      XmlNode mainNode = xmlDoc.SelectSingleNode(MainNode);      XmlElement objElem = xmlDoc.CreateElement(Node);      objElem.SetAttribute(Attrib, AttribValue);      mainNode.AppendChild(objElem);    }    #endregion    #region 创建一个带属性值的节点值的节点    /**//// <summary>    /// 创建一个带属性值的节点值的节点    /// </summary>    /// <param name="MainNode">当前节点或路径</param>    /// <param name="Node">节点名称</param>    /// <param name="Attrib">属性名称</param>    /// <param name="AttribValue">属性值</param>    /// <param name="Content">节点传情</param>    public void CreatXmlNode(string MainNode, string Node, string Attrib, string AttribValue, string Content)    {      XmlNode mainNode = xmlDoc.SelectSingleNode(MainNode);      XmlElement objElem = xmlDoc.CreateElement(Node);      objElem.SetAttribute(Attrib, AttribValue);      objElem.InnerText = Content;      mainNode.AppendChild(objElem);    }    #endregion    #region 在当前节点的插入一个仅带2个属性值的节点    /**//// <summary>    /// 在当前节点的插入一个仅带2个属性值的节点    /// </summary>    /// <param name="MainNode">当前节点或路径</param>    /// <param name="Node">节点名称</param>    /// <param name="Attrib">属性名称一</param>    /// <param name="AttribValue">属性值一</param>    /// <param name="Attrib2">属性名称二</param>    /// <param name="AttribValue2">属性值二</param>    public void CreatXmlNode(string MainNode, string Node, string Attrib, string AttribValue, string Attrib2, string AttribValue2)    {      XmlNode mainNode = xmlDoc.SelectSingleNode(MainNode);      XmlElement objElem = xmlDoc.CreateElement(Node);      objElem.SetAttribute(Attrib, AttribValue);      objElem.SetAttribute(Attrib2, AttribValue2);      mainNode.AppendChild(objElem);    }    #endregion    #region 在当前节点插入带两个属性的节点    /**//// <summary>    /// 在当前节点插入带两个属性的节点    /// </summary>    /// <param name="MainNode">当前节点或路径</param>    /// <param name="Node">节点名称</param>    /// <param name="Attrib">属性名称一</param>    /// <param name="AttribValue">属性值一</param>    /// <param name="Attrib2">属性名称二</param>    /// <param name="AttribValue2">属性值二</param>    /// <param name="Content">节点值</param>    public void CreatXmlNode(string MainNode, string Node, string Attrib, string AttribValue, string Attrib2, string AttribValue2, string Content)    {      XmlNode mainNode = xmlDoc.SelectSingleNode(MainNode);      XmlElement objElem = xmlDoc.CreateElement(Node);      objElem.SetAttribute(Attrib, AttribValue);      objElem.SetAttribute(Attrib2, AttribValue2);      objElem.InnerText = Content;      mainNode.AppendChild(objElem);    }    #endregion    #region 保存Xml    /**//// <summary>    /// 保存Xml    /// </summary>    /// <param name="path">保存的当前路径</param>    public void XmlSave(string path)    {      xmlDoc.Save(path);    }    #endregion    #endregion    #region 根据父节点属性值读取子节点值    /**//**************************************************     * 函数名称:GetSubElementByAttribute(string XmlPath, string FatherElenetName, string AttributeName, int AttributeIndex, int ArrayLength)     * 功能说明:根据父节点属性值读取子节点值     * 参  数: XmlPath:xml路径;FatherElenetName:父节点名;AttributeName:属性值;AttributeIndex:属性索引;ArrayLength:要返回的节点数组长度     * 适应用Xml:     *      ArrayList al = new ArrayList();     *      al = EC.XmlObject.GetSubElementByAttribute(XmlPath, "page", "/index.aspx", 0, 3);     *      for (int i = 0; i < al.Count; i++)     *      {     *        Response.Write(al[i].ToString());     *        Response.Write("<br>");     *      }     ************************************************/    /**//// <summary>    /// 根据父节点属性读取字节点值    /// </summary>    /// <param name="XmlPath">xml路径</param>    /// <param name="FatherElenetName">父节点名</param>    /// <param name="AttributeName">属性值</param>    /// <param name="AttributeIndex">属性索引</param>    /// <param name="ArrayLength">要返回的节点数组长度</param>    /// <returns></returns>    public static System.Collections.ArrayList GetSubElementByAttribute(string XmlPath, string FatherElenetName, string AttributeName, int AttributeIndex, int ArrayLength)    {      System.Collections.ArrayList al = new System.Collections.ArrayList();      XmlDocument docXml = new XmlDocument();      docXml.Load(@XmlPath);      XmlNodeList xn = docXml.DocumentElement.ChildNodes;      //遍历第一层节点      foreach (XmlElement element in xn)      {        //判断父节点是否为指定节点        if (element.Name == FatherElenetName)        {          //判断父节点属性的索引是否大于指定索引          if (element.Attributes.Count < AttributeIndex)            return null;          //判断父节点的属性值是否等于指定属性          if (element.Attributes[AttributeIndex].Value == AttributeName)          {            XmlNodeList xx = element.ChildNodes;            if (xx.Count > 0)            {              for (int i = 0; i < ArrayLength & i < xx.Count; i++)              {                al.Add(xx[i].InnerText);              }            }          }        }      }      return al;    }    #endregion    #region 根据节点属性读取子节点值(较省资源模式)    /**//**************************************************     * 函数名称:GetSubElementByAttribute(string XmlPath, string FatherElement, string AttributeName, string AttributeValue, int ArrayLength)     * 功能说明:根据父节点属性值读取子节点值     * 参  数: XmlPath:xml路径;FatherElenetName:父节点名;AttributeName:属性名;AttributeValue:属性值;ArrayLength:要返回的节点数组长度     * 适应用Xml:     *      ArrayList al = new ArrayList();     *      al = EC.XmlObject.GetSubElementByAttribute(XmlPath, "page", "@name", "/index.aspx", 3);     *      for (int i = 0; i < al.Count; i++)     *      {     *        Response.Write(al[i].ToString());     *        Response.Write("<br>");     *      }     ************************************************/    /**//// <summary>    /// 根据节点属性读取子节点值(较省资源模式)    /// </summary>    /// <param name="XmlPath">xml路径</param>    /// <param name="FatherElement">父节点值</param>    /// <param name="AttributeName">属性名称</param>    /// <param name="AttributeValue">属性值</param>    /// <param name="ArrayLength">返回的数组长度</param>    /// <returns></returns>    public static System.Collections.ArrayList GetSubElementByAttribute(string XmlPath, string FatherElement, string AttributeName, string AttributeValue, int ArrayLength)    {      System.Collections.ArrayList al = new System.Collections.ArrayList();      XmlDocument docXml = new XmlDocument();      docXml.Load(@XmlPath);      XmlNodeList xn;      xn = docXml.DocumentElement.SelectNodes("//" + FatherElement + "[" + @AttributeName + "='" + AttributeValue + "']");      XmlNodeList xx = xn.Item(0).ChildNodes;      for (int i = 0; i < ArrayLength & i < xx.Count; i++)      {        al.Add(xx.Item(i).InnerText);      }      return al;    }    #endregion  }}