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 XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.Load(Server.MapPath("data.xml"));
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XmlNode root;//¸ù½Úµã
root = xmldoc.DocumentElement;//»ñÈ¡¸ù½Úµã
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 XmlNodeList nodeList = xmlDoc.SelectSingleNode("Employees").ChildNodes;//»ñÈ¡Employees½ÚµãµÄËùÓÐ×Ó½Úµã
        foreach (XmlNode xn in nodeList)//±éÀúËùÓÐ×Ó½Úµã
        {
            XmlElement xe = (XmlElement)xn;//½«×Ó½ÚµãÀàÐÍת»»ÎªXmlElementÀàÐÍ
            if (xe.GetAttribute("genre") == "ÕÅÈý")//Èç¹ûgenreÊôÐÔֵΪ“ÕÅÈý”
            {
                xe.SetAttribute("genre", "updateÕÅÈý");//ÔòÐ޸ĸÃÊôÐÔΪ“updateÕÅÈý”
                XmlNodeList nls = xe.ChildNodes;//¼ÌÐø»ñÈ¡xe×Ó½ÚµãµÄËùÓÐ×Ó½Úµã
                foreach (XmlNode xn1 in nls)//±éÀú
                {
                    XmlElement xe2 = (XmlElement)xn1;//ת»»ÀàÐÍ
                    if (xe2.Name == "author")//Èç¹ûÕÒµ½
                    {
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import java.awt.Image;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
public class createXml
{
public static boolean writeXml(String path,String dir,String wpath,String wname)
{
File[] files = ReaderListFiles(path);
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        {  
            XmlDocument xmlDoc = new XmlDocument();
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