• 我的XMLHelperC# XML操作基类(修改,删除,新增,创建)


    /**********************************************************************************
     *
     * 功能说明:XML处理基类
     * 作者: shawen

     * 版本:v——1.0;

     * 时间:2010-04-13
     *
     * *******************************************************************************/
    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 操作基类
        /// </summary>
        public class XmlObject : 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字节点
            /**************************************************
             * 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字节点
            /// </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</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 string xmlPath;
            private XmlDocument xmlDoc=new XmlDocument();   

            private XmlNode xmlNode;
            private XmlElement xmlElem;   

            #region 构造与释构
            public XmlObject()
            {           

            }      
            ~XmlObject()
            {
                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:
             * <root>
          *   <page name="/index.aspx">
       *      <title>域名注册、虚拟主机、企业邮局、服务器托管、网站空间租用|---第一商务</title>
       *      <keywords>虚拟主机,域名注册,服务器托管,杭州,服务器租用,</keywords>
       *      <description>描述内容 </description>
          *    </page>
             * </root>
             *           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:
             * <root>
          *   <page name="/index.aspx">
       *      <title>域名注册、虚拟主机、企业邮局、服务器托管、网站空间租用|---第一商务</title>
       *      <keywords>虚拟主机,域名注册,服务器托管,杭州,服务器租用,</keywords>
       *      <description>描述内容 </description>
          *    </page>
             * </root>
             *           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
        }
    }

    ......
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  • 原文地址:https://www.cnblogs.com/shawen/p/1719903.html
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