using System.Collections.Generic;using System.Text;using System.Xml;using System.Data;using System.IO;
/**//// <summary>
/// XML 操作基类
/// </summary>
public class XmlHelper
{
/**//// <summary>/// 读取Xml到DataSet中/// </summary>/// <param name="XmlPath">路径</param>
/// <returns>结果集</returns>
public static DataSet GetXml(string XmlPath){ DataSet ds = new DataSet(); ds.ReadXml(@XmlPath);return ds; }/**//// <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(); }/**//// <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; }/**//// <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); }/**//// <summary>/// 更改节点的属性值/// </summary>/// <param name="xmlPath">文件路径</param>/// <param name="NodePath">节点路径</param>/// <param name="NodeAttribute1">要更改的节点属性的名称</param>/// <param name="NodeAttributeText">更改的属性值</param>
public static void XmlAttributeEdit(string xmlPath, string NodePath, string NodeAttribute1, string NodeAttributeText){ XmlDocument objXmlDoc = new XmlDocument(); objXmlDoc.Load(xmlPath); XmlNode nodePath = objXmlDoc.SelectSingleNode(NodePath); XmlElement xe = (XmlElement)nodePath; xe.SetAttribute(NodeAttribute1, NodeAttributeText); objXmlDoc.Save(xmlPath); }/**//// <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); }/**//// <summary>/// 删除一个节点的属性/// </summary>/// <param name="xmlPath">文件路径</param>/// <param name="NodePath">节点路径（xpath）</param>/// <param name="NodeAttribute">属性名称</param>
public static void xmlnNodeAttributeDel(string xmlPath, string NodePath, string NodeAttribute){ XmlDocument objXmlDoc = new XmlDocument(); objXmlDoc.Load(xmlPath); XmlNode nodePath = objXmlDoc.SelectSingleNode(NodePath); XmlElement xe = (XmlElement)nodePath; xe.RemoveAttribute(NodeAttribute); objXmlDoc.Save(xmlPath); }/**//// <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</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); }/**//// <summary>/// 向一个节点添加属性/// </summary>/// <param name="xmlPath">xml文件路径</param>/// <param name="NodePath">节点路径</param>/// <param name="NodeAttribute1">要添加的节点属性的名称</param>/// <param name="NodeAttributeText">要添加属性的值</param>
public static void AddAttribute(string xmlPath, string NodePath, string NodeAttribute1, string NodeAttributeText){ XmlDocument objXmlDoc = new XmlDocument(); objXmlDoc.Load(xmlPath); XmlAttribute nodeAttribute = objXmlDoc.CreateAttribute(NodeAttribute1); XmlNode nodePath = objXmlDoc.SelectSingleNode(NodePath); nodePath.Attributes.Append(nodeAttribute); XmlElement xe = (XmlElement)nodePath; xe.SetAttribute(NodeAttribute1, NodeAttributeText); objXmlDoc.Save(xmlPath); }/**//// <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); }/**//// <summary>/// 插入一节点,不带属性/// </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="Content">新节点值</param>
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); }/**//// <summary>/// 在根节点下添加父节点/// </summary>
public static void AddParentNode(string xmlPath,string parentNode){ XmlDocument xdoc = new XmlDocument(); xdoc.Load(xmlPath);// 创建一个新的menber节点并将它添加到根节点下 XmlElement Node = xdoc.CreateElement(parentNode); xdoc.DocumentElement.PrependChild(Node); xdoc.Save(xmlPath); }/**//// <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; }}