c# xml 操作类
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using System;using System.Xml;using System.Web;namespace WebForm.BaseFunction{ public class XmlControl { #region 变量----------------------------------------------------------- /**/ /// <summary> /// xml文件所在路径类型 /// </summary> /// <remarks>xml文件所在路径类型</remarks> public enum enumXmlPathType { /**/ /// <summary> /// 绝对路径 /// </summary> AbsolutePath, /**/ /// <summary> /// 虚拟路径 /// </summary> VirtualPath } private string xmlFilePath;//文件路径 private enumXmlPathType xmlFilePathType;//定义一个枚举变量 private XmlDocument xmlDoc = new XmlDocument(); #endregion #region 属性----------------------------------------------------------- /**/ /// <summary> /// 文件路径 /// </summary> /// <remarks>文件路径</remarks> public string XmlFilePath { get { return this.xmlFilePath; } set { xmlFilePath = value; } } /**/ /// <summary> /// 文件路径类型 /// </summary> public enumXmlPathType XmlFilePathTyp { set { xmlFilePathType = value; } } #endregion #region 构造函数------------------------------------------------------- /**/ /// <summary> /// 构造函数 /// </summary> /// <param >文件路径</param> public XmlControl(string tempXmlFilePath) { this.xmlFilePathType = enumXmlPathType.VirtualPath;//虚拟路径 this.xmlFilePath = tempXmlFilePath;//xml文件路径 GetXmlDocument();//获取XmlDocument实体类 //xmlDoc.Load( xmlFilePath ) ; } /**/ /// <summary> /// 构造函数 /// </summary> /// <param >文件路径</param> /// <param >类型</param> public XmlControl(string tempXmlFilePath, enumXmlPathType tempXmlFilePathType) { this.xmlFilePathType = tempXmlFilePathType; this.xmlFilePath = tempXmlFilePath; GetXmlDocument();//获取XmlDocument实体类 } /**/ ///<summary> ///获取XmlDocument实体类 ///</summary> /// <returns>指定的XML描述文件的一个xmldocument实例</returns> private XmlDocument GetXmlDocument() { XmlDocument doc = null;//5@1@a@s@p@x if (this.xmlFilePathType == enumXmlPathType.AbsolutePath) { doc = GetXmlDocumentFromFile(xmlFilePath); } else if (this.xmlFilePathType == enumXmlPathType.VirtualPath) { doc = GetXmlDocumentFromFile(HttpContext.Current.Server.MapPath(xmlFilePath)); } return doc; } private XmlDocument GetXmlDocumentFromFile(string tempXmlFilePath) { string xmlFileFullPath = tempXmlFilePath; xmlDoc.Load(xmlFileFullPath); //定义事件处理 xmlDoc.NodeChanged += new XmlNodeChangedEventHandler(this.nodeUpdateEvent); xmlDoc.NodeInserted += new XmlNodeChangedEventHandler(this.nodeInsertEvent); xmlDoc.NodeRemoved += new XmlNodeChangedEventHandler(this.nodeDeleteEvent); return xmlDoc; } #endregion #region 获取所有指定名称的节点 /**/ /// <summary> /// 功能: /// 获取所有指定名称的节点(XmlNodeList) /// </summary> /// <param >节点名称</param> public XmlNodeList GetXmlNodeList(string strNode) { XmlNodeList strReturn = null; try { //根据指定路径获取节点 XmlNodeList xmlNode = xmlDoc.SelectNodes(strNode); if (!(xmlNode == null))//5#1#a#s#p#x { strReturn = xmlNode; } } catch (XmlException xmle) { throw xmle; } return strReturn; } #endregion #region 读取指定节点的指定属性值--------------------------------------- /**/ /// <summary> /// 功能: /// 读取指定节点的指定属性值(Value) /// </summary> /// <param >节点名称</param> /// <param >此节点的属性</param> /// <returns></returns> public string GetXmlNodeAttributeValue(string strNode, string strAttribute) { string strReturn = ""; try { //根据指定路径获取节点 XmlNode xmlNode = xmlDoc.SelectSingleNode(strNode); if (!(xmlNode == null)) { strReturn = xmlNode.Attributes.GetNamedItem(strAttribute).Value; /**/ ////获取节点的属性，并循环取出需要的属性值 //XmlAttributeCollection xmlAttr = xmlNode.Attributes; //for (int i = 0; i < xmlAttr.Count; i++) //{ // if (xmlAttr.Item(i).Name == strAttribute) // { // strReturn = xmlAttr.Item(i).Value; // break; // } //} } } catch (XmlException xmle) { throw xmle; } return strReturn; } #endregion #region 读取指定节点的值----------------------------------------------- /**/ /// <summary> /// 功能: /// 读取指定节点的值(InnerText) /// </summary> /// <param >节点名称</param> /// <returns></returns> public string GetXmlNodeValue(string strNode) { string strReturn = String.Empty; try { //根据路径获取节点 XmlNode xmlNode = xmlDoc.SelectSingleNode(strNode); if (!(xmlNode == null)) strReturn = xmlNode.InnerText; } catch (XmlException xmle) { throw xmle; } return strReturn; } //5^1^a^s^p^x #endregion #region 设置节点值----------------------------------------------------- /**/ /// <summary> /// 功能: /// 设置节点值(InnerText) /// </summary> /// <param >节点的名称</param> /// <param >节点值</param> public void SetXmlNodeValue(string xmlNodePath, string xmlNodeValue) { try { //可以批量为符合条件的节点进行付值 XmlNodeList xmlNode = this.xmlDoc.SelectNodes(xmlNodePath); if (!(xmlNode == null)) { foreach (XmlNode xn in xmlNode) { xn.InnerText = xmlNodeValue; } } /**/ /**/ /**/ /* * 根据指定路径获取节点 XmlNode xmlNode = xmlDoc.SelectSingleNode(xmlNodePath) ; //设置节点值 if (!(xmlNode==null)) xmlNode.InnerText = xmlNodeValue ;*/ } catch (XmlException xmle) { throw xmle; } } #endregion #region 设置节点的属性值----------------------------------------------- /**/ /// <summary> /// 功能: /// 设置节点的属性值 /// </summary> /// <param >节点名称</param> /// <param >属性名称</param> /// <param >属性值</param> public void SetXmlNodeAttributeValue(string xmlNodePath, string xmlNodeAttribute, string xmlNodeAttributeValue) { try { //可以批量为符合条件的节点的属性付值 XmlNodeList xmlNode = this.xmlDoc.SelectNodes(xmlNodePath); if (!(xmlNode == null)) { foreach (XmlNode xn in xmlNode) { XmlAttributeCollection xmlAttr = xn.Attributes; for (int i = 0; i < xmlAttr.Count; i++) { if (xmlAttr.Item(i).Name == xmlNodeAttribute) { xmlAttr.Item(i).Value = xmlNodeAttributeValue; break; } } } } } catch (XmlException xmle) { throw xmle; } } #endregion #region 添加----------------------------------------------------------- /**/ /// <summary> /// 获取XML文件的根元素 /// </summary> public XmlNode GetXmlRoot() { return xmlDoc.DocumentElement; } /**/ /// <summary> /// 在根节点下添加父节点 /// </summary> public void AddParentNode(string parentNode) { try { XmlNode root = GetXmlRoot(); XmlNode parentXmlNode = xmlDoc.CreateElement(parentNode); root.AppendChild(parentXmlNode); } catch (XmlException xmle) { throw xmle; } } /**/ /// <summary> /// 向一个已经存在的父节点中插入一个子节点,并返回子节点. /// </summary> /// <param >父节点</param> /// <param >字节点名称</param> public XmlNode AddChildNode(string parentNodePath, string childnodename) { XmlNode childXmlNode = null; try { XmlNode parentXmlNode = xmlDoc.SelectSingleNode(parentNodePath); if (!((parentXmlNode) == null))//如果此节点存在 { childXmlNode = xmlDoc.CreateElement(childnodename); parentXmlNode.AppendChild(childXmlNode); } else {//如果不存在就放父节点添加 this.GetXmlRoot().AppendChild(childXmlNode); } } catch (XmlException xmle) { throw xmle; } return childXmlNode; } /**/ /// <summary> /// 向一个已经存在的父节点中插入一个子节点,并添加一个属性 /// </summary> public void AddChildNode(string parentNodePath, string childnodename, string NodeAttribute, string NodeAttributeValue) { try { XmlNode parentXmlNode = xmlDoc.SelectSingleNode(parentNodePath); XmlNode childXmlNode = null; if (!((parentXmlNode) == null))//如果此节点存在 { childXmlNode = xmlDoc.CreateElement(childnodename); //添加属性 XmlAttribute nodeAttribute = this.xmlDoc.CreateAttribute(NodeAttribute); nodeAttribute.Value = NodeAttributeValue; childXmlNode.Attributes.Append(nodeAttribute); parentXmlNode.AppendChild(childXmlNode); } else {//如果不存在就放父节点添加 this.GetXmlRoot().AppendChild(childXmlNode); } } catch (XmlException xmle) { throw xmle; } } /**/ /// <summary> /// 向一个节点添加属性,值为空 /// </summary> /// <param >节点路径</param> /// <param >属性名</param> public void AddAttribute(string NodePath, string NodeAttribute) { privateAddAttribute(NodePath, NodeAttribute, ""); } /**/ /// <summary> /// 向一个节点添加属性,并赋值*** /// </summary> public void AddAttribute(XmlNode childXmlNode, string NodeAttribute, string NodeAttributeValue) { XmlAttribute nodeAttribute = this.xmlDoc.CreateAttribute(NodeAttribute); nodeAttribute.Value = NodeAttributeValue; childXmlNode.Attributes.Append(nodeAttribute); } /**/ /// <summary> /// 向一个节点添加属性 /// </summary> /// <param >节点路径</param> /// <param >属性名</param> /// <param >属性值</param> private void privateAddAttribute(string NodePath, string NodeAttribute, string NodeAttributeValue) { try { XmlNode nodePath = xmlDoc.SelectSingleNode(NodePath); if (!(nodePath == null)) { XmlAttribute nodeAttribute = this.xmlDoc.CreateAttribute(NodeAttribute); nodeAttribute.Value = NodeAttributeValue; nodePath.Attributes.Append(nodeAttribute); } } catch (XmlException xmle) { throw xmle; } } /**/ /// <summary> /// 向一个节点添加属性,并赋值 /// </summary> /// <param >节点</param> /// <param >属性名</param> /// <param >属性值</param> public void AddAttribute(string NodePath, string NodeAttribute, string NodeAttributeValue) { privateAddAttribute(NodePath, NodeAttribute, NodeAttributeValue); } #endregion #region 删除----------------------------------------------------------- /**/ /// <summary> /// 删除节点的一个属性 /// </summary> /// <param >节点所在的xpath表达式</param> /// <param >属性名</param> public void DeleteAttribute(string NodePath, string NodeAttribute) { XmlNodeList nodePath = this.xmlDoc.SelectNodes(NodePath); if (!(nodePath == null)) { foreach (XmlNode tempxn in nodePath) { XmlAttributeCollection xmlAttr = tempxn.Attributes; for (int i = 0; i < xmlAttr.Count; i++) { if (xmlAttr.Item(i).Name == NodeAttribute) { tempxn.Attributes.RemoveAt(i); break; } } } } } /**/ /// <summary> /// 删除节点的一个属性,当其属性值等于给定的值时 /// </summary> /// <param >节点所在的xpath表达式</param> /// <param >属性</param> /// <param >值</param> public void DeleteAttribute(string NodePath, string NodeAttribute, string NodeAttributeValue) { XmlNodeList nodePath = this.xmlDoc.SelectNodes(NodePath); if (!(nodePath == null)) { foreach (XmlNode tempxn in nodePath) { XmlAttributeCollection xmlAttr = tempxn.Attributes; for (int i = 0; i < xmlAttr.Count; i++) { if (xmlAttr.Item(i).Name == NodeAttribute && xmlAttr.Item(i).Value == NodeAttributeValue) { tempxn.Attributes.RemoveAt(i); break; } } } } } /**/ /// <summary> /// 删除节点 /// </summary> /// <param ></param> /// <remarks></remarks> public void DeleteXmlNode(string tempXmlNode) { XmlNodeList nodePath = this.xmlDoc.SelectNodes(tempXmlNode); if (!(nodePath == null)) { foreach (XmlNode xn in nodePath) { xn.ParentNode.RemoveChild(xn); } } } #endregion #region XML文档事件---------------------------------------------------- /**/ /// <summary> /// 节点插入事件 /// </summary> /// <param ></param> /// <param ></param> private void nodeInsertEvent(Object src, XmlNodeChangedEventArgs args) { //保存设置 SaveXmlDocument(); } /**/ /// <summary> /// 节点删除事件 /// </summary> /// <param ></param> /// <param ></param> private void nodeDeleteEvent(Object src, XmlNodeChangedEventArgs args) { //保存设置 SaveXmlDocument(); } /**/ /// <summary> /// 节点更新事件 /// </summary> /// <param ></param> /// <param ></param> private void nodeUpdateEvent(Object src, XmlNodeChangedEventArgs args) { //保存设置 SaveXmlDocument(); } #endregion #region 保存XML文件---------------------------------------------------- /**/ /// <summary> /// 功能: /// 保存XML文件 /// </summary> public void SaveXmlDocument() { try { //保存设置的结果 if (this.xmlFilePathType == enumXmlPathType.AbsolutePath) { Savexml(xmlFilePath); } else if (this.xmlFilePathType == enumXmlPathType.VirtualPath) { Savexml(HttpContext.Current.Server.MapPath(xmlFilePath)); } } catch (XmlException xmle) { throw xmle; } } /**/ /// <summary> /// 功能: /// 保存XML文件 /// </summary> public void SaveXmlDocument(string tempXMLFilePath) { try { //保存设置的结果 Savexml(tempXMLFilePath); } catch (XmlException xmle) { throw xmle; } } /**/ /// <summary> /// /// </summary> /// <param ></param> private void Savexml(string filepath) { xmlDoc.Save(filepath); } #endregion }}
简单操作得
using System;using System.Collections;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;namespace WebForm.Manage.BasicSet{ public partial class WebSiteSet : System.Web.UI.Page { BaseFunction.XmlControl xmlControl = new WebForm.BaseFunction.XmlControl("/XML/BasicSet.xml"); protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { TextBox_WebSiteName.Text = xmlControl.GetXmlNodeValue("/basicSet/webSiteName"); TextBox_KeyWords.Text = xmlControl.GetXmlNodeValue("/basicSet/webSiteKeyWord"); TextBox_WebSiteDescription.Text = xmlControl.GetXmlNodeValue("/basicSet/webSiteDescription"); TextBox_IndexTemplet.Text = xmlControl.GetXmlNodeValue("/basicSet/indexTemplet"); CheckBox_IsClose.Checked = xmlControl.GetXmlNodeValue("/basicSet/isClose") == "0" ? false : true; TextBox_CloseDescription.Text = xmlControl.GetXmlNodeValue("/basicSet/closeDescription"); } } /// <summary> /// 保存设置 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void Button_Save_Click(object sender, EventArgs e) { xmlControl.SetXmlNodeValue("/basicSet/webSiteName", TextBox_WebSiteName.Text.Trim()); xmlControl.SetXmlNodeValue("/basicSet/webSiteKeyWord", TextBox_KeyWords.Text); xmlControl.SetXmlNodeValue("/basicSet/webSiteDescription", TextBox_WebSiteDescription.Text); xmlControl.SetXmlNodeValue("/basicSet/indexTemplet", TextBox_IndexTemplet.Text); xmlControl.SetXmlNodeValue("/basicSet/isClose", CheckBox_IsClose.Checked ? "1" : "0"); xmlControl.SetXmlNodeValue("/basicSet/webSiteKeyWord", TextBox_CloseDescription.Text); Label_Message.Text = "保存成功！"; } }}
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