xmlutil.cs

XML的基础教程

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.Xml;
using System.Xml.XPath;
using System.Text;
using System.Xml.Xsl;

/// <summary>
/// Summary description for XMLUtil
/// </summary>
public class XMLUtil
{
	public XMLUtil()
	{
		//
		// TODO: Add constructor logic here
		//
	}
    public static string PrintArtistAndPrice(XmlReader reader)
    {
        string result = "";
        reader.MoveToContent();
        while (reader.Read())
        {
            if ((reader.NodeType == XmlNodeType.Element) && reader.Name.Equals("artist"))
            {
                result += "Artist:" + reader.ReadElementString();
                result += "<br/>";
                result += "Title:" + reader.ReadElementString();
                result += "<br/>";
            }
        }
        return result;
    }
    public static string PrintArtistAndPrice(XPathNavigator nav)
    {
        
        XPathNodeIterator nodeiterator = nav.Select("/items/compact-disc/artist | /items/compact-disc/title");
        
        string result = "";
        while (nodeiterator.MoveNext())
        {
            result += nodeiterator.Current.Name + ":" + nodeiterator.Current.Value + "<br/>";
        }
        return result;
        
    }
    public static string PrintArtistAndPrice(XmlDocument doc)
    {
        string result = "";
        
        foreach (XmlNode node in doc.SelectNodes("/items/compact-disc/artist"))
        {
            result +=  node.InnerText+"|";
        }
        
        return result.Remove(result.Length-1);
    }
    public static string WriteAndTransform(string xslPath)
    {
        StringBuilder sb = new StringBuilder();
        XmlWriter writer = XmlWriter.Create(sb);
        writer.WriteStartDocument();
        writer.WriteStartElement("email");
        writer.WriteStartElement("headers");

        writer.WriteStartElement("header");//<header>
        writer.WriteElementString("name", "to");//<name>to</name>
        writer.WriteElementString("value", "[e-mail]");
        writer.WriteEndElement(); //header</header>

        writer.WriteStartElement("header");
        writer.WriteElementString("name", "from");
        writer.WriteElementString("value", "[e-mail]");
        writer.WriteEndElement(); //header

        writer.WriteStartElement("header");
        writer.WriteElementString("name", "subject");
        writer.WriteElementString("value", "Test Mail");
        writer.WriteEndElement(); //header

        writer.WriteStartElement("header");
        writer.WriteElementString("name", "sent");
        writer.WriteElementString("value", "This is a test");
        writer.WriteEndElement(); //header

        writer.WriteEndElement(); //headers;

        writer.WriteStartElement("body");

        writer.WriteEndDocument(); //closes all open tags
        writer.Flush();


        //Transfer
        // XMLUtil.Write(writer);
        XmlDocument doc = new XmlDocument();
        doc.LoadXml(sb.ToString());
        XslCompiledTransform ct = new XslCompiledTransform();
        ct.Load(xslPath);
        System.IO.MemoryStream ms = new System.IO.MemoryStream();

        ct.Transform(doc, null, ms);
        return Encoding.UTF8.GetString(ms.ToArray());
    }
}