xml文档 *** 作类C#

概述xml文档 *** 作类C#

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    using System;      using System.Xml;      using System.Configuration;      using System.Data;      using System.Collections;      using System.IO;            namespace YZControl      {          public class NewXmlControl : Object          {              protected string strXmlfile;              protected Xmldocument objXmlDoc = new Xmldocument();                          public NewXmlControl(string Xmlfile,Boolean bOverWrite,string sRoot)              {                  try                  {                      //如果覆盖模式，则强行创建一个xml文档                      if (bOverWrite)                      {                          objXmlDoc.AppendChild(objXmlDoc.CreateXmlDeclaration("1.0","utf-8",null));//设置xml的版本，格式信息                          objXmlDoc.AppendChild(objXmlDoc.CreateElement("",sRoot,""));//创建根元素                          objXmlDoc.Save(Xmlfile);//保存                      }                      else //否则，检查文件是否存在，不存在则创建                      {                          if (!(file.Exists(Xmlfile)))                          {                              objXmlDoc.AppendChild(objXmlDoc.CreateXmlDeclaration("1.0",null));                              objXmlDoc.AppendChild(objXmlDoc.CreateElement("",""));                              objXmlDoc.Save(Xmlfile);                          }                      }                      objXmlDoc.Load(Xmlfile);                  }                  catch (System.Exception ex)                  {                      throw ex;                  }                  strXmlfile = Xmlfile;              }                                /// <summary>              /// 根据xPath值，返回xPath下的所有下级子结节到一个DataVIEw              /// </summary>              /// <param name="XmlPathNode">xPath值</param>              /// <returns>有数据则返回DataVIEw，否则返回null</returns>              public DataVIEw GetData(string XmlPathNode)              {                  //查找数据。返回一个DataVIEw                  DataSet ds = new DataSet();                  try                  {                      StringReader read = new StringReader(objXmlDoc.SelectSingleNode(XmlPathNode).OuterXml);                      ds.readxml(read);                      return ds.tables[0].defaultview;                  }                  catch                  {                      //throw;                      return null;                  }              }                    /// <summary>              /// 更新节点内容              /// </summary>              /// <param name="xmlPathNode"></param>              /// <param name="content"></param>              public voID UpdateNode(string xmlPathNode,string content)              {                  objXmlDoc.SelectSingleNode(xmlPathNode).InnerText = content;              }                    /// <summary>              /// 更新节点的某个属性              /// </summary>              /// <param name="xmlPathNode">要 *** 作的节点</param>              /// <param name="Attribname">属性名</param>              /// <param name="AttribValue">属性值</param>              public voID UpdateNode(string xmlPathNode,string Attribname,string AttribValue)              {                        ((XmlElement)(objXmlDoc.SelectSingleNode(xmlPathNode))).SetAttribute(Attribname,AttribValue);              }                          /// <summary>              /// 修改节点(同步更新内容和属性)              /// </summary>              /// <param name="xmlPathNode">要 *** 作节点的xpath语句</param>              /// <param name="arrAttribname">属性名称字符串数组</param>              /// <param name="arrAttribContent">属性内容字符串数组</param>              /// <param name="content">节点内容</param>              public voID UpdateNode(string xmlPathNode,string[] arrAttribname,string[] arrAttribContent,string content)              {                        XmlNode xn = objXmlDoc.SelectSingleNode(xmlPathNode);                  if (xn != null)                  {                      xn.InnerText = content;                      xn.Attributes.RemoveAll();                      for (int i = 0; i <= arrAttribname.GetUpperBound(0); i++)                      {                          ((XmlElement)(xn)).SetAttribute(arrAttribname[i],arrAttribContent[i]);                      }                        }              }                    /// <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 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 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[] 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 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 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 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;                  }              }                          /// <summary>              ///保存文档              /// </summary>              public voID Save()              {                  //保存文档。                  try                  {                      objXmlDoc.Save(strXmlfile);                  }                  catch (System.Exception ex)                  {                      throw ex;                  }                  objXmlDoc = null;              }                                  }      }            调用方法       NewXmlControl xc = new NewXmlControl(Server.MapPath("~/RSS.xml"),true,"RSS");                  xc.UpdateNode("//RSS","version","2.0");                  xc.InsertNode("//RSS","channel");                  xc.AddChildNode("/RSS/channel","Title",Shop.DAL.sp_netconfig.GetConfigObj().webname);                 // xc.AddChildNode("/RSS/channel","slogan",Shop.DAL.sp_netconfig.GetConfigObj().webname);                  xc.AddChildNode("/RSS/channel","link",Shop.DAL.sp_netconfig.GetConfigObj().weburl);                  xc.AddChildNode("/RSS/channel","language","zh-cn");                  xc.AddChildNode("/RSS/channel","description",Shop.DAL.sp_netconfig.GetConfigObj().Metatwo);                 // xc.AddChildNode("/RSS/channel","copyright",Shop.DAL.sp_netconfig.GetConfigObj().copyright);                  xc.AddChildNode("/RSS/channel","author","generator","RSS Generator By Taoxian");                  DataSet ds = DbHelpersql.query("select top 20 pro_ID,pro_name,pro_CreateTime,pro_Content from sp_product where pro_SaleType=1 and  pro_Stock>0 and pro_Audit=1 order by pro_ID desc");                  for (int i = 0; i < ds.tables[0].Rows.Count; i++)                  {                      int j = i + 1;                      xc.InsertNode("/RSS/channel","item");                      xc.AddChildNode("/RSS/channel/item[" + j.ToString() + "]",ds.tables[0].Rows[i]["pro_name"].ToString());                      xc.AddChildNode("/RSS/channel/item[" + j.ToString() + "]",Shop.DAL.sp_netconfig.GetConfigObj().weburl + "/Product/ProductInfo_" + ds.tables[0].Rows[i]["pro_ID"].ToString() + ".HTML");                      xc.AddChildNode("/RSS/channel/item[" + j.ToString() + "]","pubDate",Convert.ToDateTime(ds.tables[0].Rows[i]["pro_CreateTime"].ToString()).GetDateTimeFormats('r')[0].ToString());                                      xc.AddChildNode("/RSS/channel/item[" + j.ToString() + "]",Shop.DAL.sp_netconfig.GetConfigObj().webname);                      xc.AddChildNodecdata("/RSS/channel/item[" + j.ToString() + "]",ds.tables[0].Rows[i]["pro_Content"].ToString());                  }                  ds.dispose();                  xc.Save();                  YZControl.staticFunction.FinalMessage("生成RSS成功！","HTML.aspx",2);   

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以上是内存溢出为你收集整理的xml文档 *** 作类C#全部内容，希望文章能够帮你解决xml文档 *** 作类C#所遇到的程序开发问题。

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