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本文實例講述了C#完成的xml操作類，分享給年夜家供年夜家參考，詳細以下：
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 操作基類
/// </summary>
public class XmlHelper : IDisposable
{
//以下為單一功效的靜態類
#region 讀取XML到DataSet
/**//**************************************************
* 函數稱號:GetXml(string XmlPath)
* 功效解釋:讀取XML到DataSet
* 參 數:XmlPath:xml文檔途徑
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDnsConfig/DnsConfig.xml"); //獲得xml途徑
* DataSet ds = EC.XmlObject.GetXml(xmlPath); //讀取xml到DataSet中
************************************************/
/**//// <summary>
/// 功效:讀取XML到DataSet中
/// </summary>
/// <param name="XmlPath">xml途徑</param>
/// <returns>DataSet</returns>
public static DataSet GetXml(string XmlPath)
{
DataSet ds = new DataSet();
ds.ReadXml(@XmlPath);
return ds;
}
#endregion
#region 讀取xml文檔並前往一個節點
/**//**************************************************
* 函數稱號:ReadXmlReturnNode(string XmlPath,string Node)
* 功效解釋:讀取xml文檔並前往一個節點:實用於一級節點
* 參 數: XmlPath:xml文檔途徑;Node 前往的節點稱號
* 順應用Xml:<?xml version="1.0" encoding="utf-8" ?>
* <root>
* <dns1>ns1.everdns.com</dns1>
* </root>
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDnsConfig/DnsConfig.xml"); //獲得xml途徑
* Response.Write(XmlObject.ReadXmlReturnNode(xmlPath, "mailmanager"));
************************************************/
/**//// <summary>
/// 讀取xml文檔並前往一個節點:實用於一級節點
/// </summary>
/// <param name="XmlPath">xml途徑</param>
/// <param name="NodeName">節點</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 查找數據,前往一個DataSet
/**//**************************************************
* 函數稱號:GetXmlData(string xmlPath, string XmlPathNode)
* 功效解釋:查找數據,前往以後節點的一切上級節點,填充到一個DataSet中
* 參 數:xmlPath:xml文檔途徑;XmlPathNode:以後節點的途徑
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲得xml途徑
* DataSet ds = new DataSet();
* ds = XmlObject.GetXmlData(xmlPath, "root/items");//讀取以後途徑
* 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>
/// 查找數據,前往以後節點的一切上級節點,填充到一個DataSet中
/// </summary>
/// <param name="xmlPath">xml文檔途徑</param>
/// <param name="XmlPathNode">節點的途徑:根節點/父節點/以後節點</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節點內容
/**//**************************************************
* 函數稱號:XmlNodeWordStr(string xmlPath,string Node,string Content)
* 功效解釋:更新Xml節點內容
* 參 數:xmlPath:xml文檔途徑;Node:以後節點的途徑;Content:內容
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲得xml途徑
* XmlObject.XmlNodeWordStr(xmlPath, "root/test", "56789"); //更新節點內容
************************************************/
/**//// <summary>
/// 更新Xml節點內容
/// </summary>
/// <param name="xmlPath">xml途徑</param>
/// <param name="Node">要改換內容的節點:節點途徑 根節點/父節點/以後節點</param>
/// <param name="Content">新的內容</param>
public static void XmlNodeWordStr(string xmlPath, string Node, string Content)
{
XmlDocument objXmlDoc = new XmlDocument();
objXmlDoc.Load(xmlPath);
objXmlDoc.SelectSingleNode(Node).InnerText = Content;
objXmlDoc.Save(xmlPath);
}
#endregion
#region 刪除XML節點和此節點下的子節點
/**//**************************************************
* 函數稱號:XmlNodeDelete(string xmlPath,string Node)
* 功效解釋:刪除XML節點和此節點下的子節點
* 參 數:xmlPath:xml文檔途徑;Node:以後節點的途徑;
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲得xml途徑
* XmlObject.XmlNodeDelete(xmlPath, "root/test"); //刪除以後節點
************************************************/
/**//// <summary>
/// 刪除XML節點和此節點下的子節點
/// </summary>
/// <param name="xmlPath">xml文檔途徑</param>
/// <param name="Node">節點途徑</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 拔出一個節點和此節點的子節點
/**//**************************************************
* 函數稱號:XmlInsertNode(string xmlPath, string MailNode, string ChildNode, string Element,string Content)
* 功效解釋:拔出一個節點和此節點的字節點
* 參 數:xmlPath:xml文檔途徑;MailNode:以後節點的途徑;ChildNode:新拔出的節點;Element:拔出節點的子節點;Content:子節點的內容
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲得xml途徑
* XmlObject.XmlInsertNode(xmlPath, "root/test","test1","test2","測試內容"); //拔出一個節點和此節點的字節點
* 生成的XML格局為
* <test>
* <test1>
* <test2>測試內容</test2>
* </test1>
* </test>
************************************************/
/**//// <summary>
/// 拔出一個節點和此節點的子節點
/// </summary>
/// <param name="xmlPath">xml途徑</param>
/// <param name="MailNode">以後節點途徑</param>
/// <param name="ChildNode">新拔出節點</param>
/// <param name="Element">拔出節點的子節點</param>
/// <param name="Content">子節點的內容,曾經運用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 拔出一節點,帶一屬性
/**//**************************************************
* 函數稱號:XmlInsertElement(string xmlPath, string MainNode, string Element, string Attrib, string AttribContent, string Content)
* 功效解釋:拔出一節點,帶一屬性
* 參 數:xmlPath:xml文檔途徑;MailNode:以後節點的途徑;Element:新拔出的節點;Attrib:屬性稱號;AttribContent:屬性值;Content:節點的內容
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲得xml途徑
* XmlObject.XmlInsertElement(xmlPath, "root/test", "test1", "Attrib", "屬性值", "節點內容"); //拔出一節點,帶一屬性
* 生成的XML格局為
* <test>
* <test1 Attrib="屬性值">節點內容</test1>
* </test>
************************************************/
/**//// <summary>
/// 拔出一節點,帶一屬性
/// </summary>
/// <param name="xmlPath">Xml文檔途徑</param>
/// <param name="MainNode">以後節點途徑</param>
/// <param name="Element">新節點</param>
/// <param name="Attrib">屬性稱號</param>
/// <param name="AttribContent">屬性值</param>
/// <param name="Content">新節點值</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 拔出一節點不帶屬性
/**//**************************************************
* 函數稱號:XmlInsertElement(string xmlPath, string MainNode, string Element, string Content)
* 功效解釋:拔出一節點不帶屬性
* 參 數:xmlPath:xml文檔途徑;MailNode:以後節點的途徑;Element:新拔出的節點;Content:節點的內容
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("/EBDomainConfig/DomainConfig.xml"); //獲得xml途徑
* XmlObject.XmlInsertElement(xmlPath, "root/test", "text1", "節點內容"); //拔出一節點不帶屬性
* 生成的XML格局為
* <test>
* <text1>節點內容</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
//必需創立對象能力應用的類
private bool _alreadyDispose = false;
private XmlDocument xmlDoc = new XmlDocument();
private XmlNode xmlNode;
private XmlElement xmlElem;
#region 結構與釋構
public XmlHelper()
{
}
~XmlHelper()
{
Dispose();
}
protected virtual void Dispose(bool isDisposing)
{
if (_alreadyDispose) return;
if (isDisposing)
{
//
}
_alreadyDispose = true;
}
#endregion
#region IDisposable 成員
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
#endregion
#region 創立xml文檔
/**//**************************************************
* 對象稱號:XmlObject
* 功效解釋:創立xml文檔
* 應用示列:
* using EC; //援用定名空間
* string xmlPath = Server.MapPath("test.xml");
* XmlObject obj = new XmlObject();
* 創立根節點
* obj.CreateXmlRoot("root");
* // 創立空節點
* //obj.CreatXmlNode("root", "Node");
* //創立一個帶值的節點
* //obj.CreatXmlNode("root", "Node", "帶值的節點");
* //創立一個僅帶屬性的節點
* //obj.CreatXmlNode("root", "Node", "Attribe", "屬性值");
* //創立一個僅帶兩個屬性值的節點
* //obj.CreatXmlNode("root", "Node", "Attribe", "屬性值", "Attribe2", "屬性值2");
* //創立一個帶屬性值的節點值的節點
* // obj.CreatXmlNode("root", "Node", "Attribe", "屬性值","節點值");
* //在以後節點拔出帶兩個屬性值的節點
* obj.CreatXmlNode("root", "Node", "Attribe", "屬性值", "Attribe2", "屬性值2","節點值");
* obj.XmlSave(xmlPath);
* obj.Dispose();
************************************************/
#region 創立一個只要聲明和根節點的XML文檔
/**//// <summary>
/// 創立一個只要聲明和根節點的XML文檔
/// </summary>
/// <param name="root"></param>
public void CreateXmlRoot(string root)
{
//參加XML的聲明段落
xmlNode = xmlDoc.CreateNode(XmlNodeType.XmlDeclaration, "", "");
xmlDoc.AppendChild(xmlNode);
//參加一個根元素
xmlElem = xmlDoc.CreateElement("", root, "");
xmlDoc.AppendChild(xmlElem);
}
#endregion
#region 在以後節點下拔出一個空節點節點
/**//// <summary>
/// 在以後節點下拔出一個空節點節點
/// </summary>
/// <param name="mainNode">以後節點途徑</param>
/// <param name="node">節點稱號</param>
public void CreatXmlNode(string mainNode, string node)
{
XmlNode MainNode = xmlDoc.SelectSingleNode(mainNode);
XmlElement objElem = xmlDoc.CreateElement(node);
MainNode.AppendChild(objElem);
}
#endregion
#region 在以後節點拔出一個僅帶值的節點
/**//// <summary>
/// 在以後節點拔出一個僅帶值的節點
/// </summary>
/// <param name="mainNode">以後節點</param>
/// <param name="node">新節點</param>
/// <param name="content">新節點值</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 在以後節點的拔出一個僅帶屬性值的節點
/**//// <summary>
/// 在以後節點的拔出一個僅帶屬性值的節點
/// </summary>
/// <param name="MainNode">以後節點或途徑</param>
/// <param name="Node">新節點</param>
/// <param name="Attrib">新節點屬性稱號</param>
/// <param name="AttribValue">新節點屬性值</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 創立一個帶屬性值的節點值的節點
/**//// <summary>
/// 創立一個帶屬性值的節點值的節點
/// </summary>
/// <param name="MainNode">以後節點或途徑</param>
/// <param name="Node">節點稱號</param>
/// <param name="Attrib">屬性稱號</param>
/// <param name="AttribValue">屬性值</param>
/// <param name="Content">節點傳情</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 在以後節點的拔出一個僅帶2個屬性值的節點
/**//// <summary>
/// 在以後節點的拔出一個僅帶2個屬性值的節點
/// </summary>
/// <param name="MainNode">以後節點或途徑</param>
/// <param name="Node">節點稱號</param>
/// <param name="Attrib">屬性稱號一</param>
/// <param name="AttribValue">屬性值一</param>
/// <param name="Attrib2">屬性稱號二</param>
/// <param name="AttribValue2">屬性值二</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 在以後節點拔出帶兩個屬性的節點
/**//// <summary>
/// 在以後節點拔出帶兩個屬性的節點
/// </summary>
/// <param name="MainNode">以後節點或途徑</param>
/// <param name="Node">節點稱號</param>
/// <param name="Attrib">屬性稱號一</param>
/// <param name="AttribValue">屬性值一</param>
/// <param name="Attrib2">屬性稱號二</param>
/// <param name="AttribValue2">屬性值二</param>
/// <param name="Content">節點值</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 保留Xml
/**//// <summary>
/// 保留Xml
/// </summary>
/// <param name="path">保留確當前途徑</param>
public void XmlSave(string path)
{
xmlDoc.Save(path);
}
#endregion
#endregion
#region 依據父節點屬性值讀取子節點值
/**//**************************************************
* 函數稱號:GetSubElementByAttribute(string XmlPath, string FatherElenetName, string AttributeName, int AttributeIndex, int ArrayLength)
* 功效解釋:依據父節點屬性值讀取子節點值
* 參 數: XmlPath:xml途徑;FatherElenetName:父節點名;AttributeName:屬性值;AttributeIndex:屬性索引;ArrayLength:要前往的節點數組長度
* 順應用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>
/// 依據父節點屬性讀取字節點值
/// </summary>
/// <param name="XmlPath">xml途徑</param>
/// <param name="FatherElenetName">父節點名</param>
/// <param name="AttributeName">屬性值</param>
/// <param name="AttributeIndex">屬性索引</param>
/// <param name="ArrayLength">要前往的節點數組長度</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;
//遍歷第一層節點
foreach (XmlElement element in xn)
{
//斷定父節點能否為指定節點
if (element.Name == FatherElenetName)
{
//斷定父節點屬性的索引能否年夜於指定索引
if (element.Attributes.Count < AttributeIndex)
return null;
//斷定父節點的屬性值能否等於指定屬性
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 依據節點屬性讀取子節點值(較省資本形式)
/**//**************************************************
* 函數稱號:GetSubElementByAttribute(string XmlPath, string FatherElement, string AttributeName, string AttributeValue, int ArrayLength)
* 功效解釋:依據父節點屬性值讀取子節點值
* 參 數: XmlPath:xml途徑;FatherElenetName:父節點名;AttributeName:屬性名;AttributeValue:屬性值;ArrayLength:要前往的節點數組長度
* 順應用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>
/// 依據節點屬性讀取子節點值(較省資本形式)
/// </summary>
/// <param name="XmlPath">xml途徑</param>
/// <param name="FatherElement">父節點值</param>
/// <param name="AttributeName">屬性稱號</param>
/// <param name="AttributeValue">屬性值</param>
/// <param name="ArrayLength">前往的數組長度</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
}
}
願望本文所述對年夜家C#法式設計有所贊助。
