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<?xml version="1.0" encoding="utf-8"?>
<userdata createuser="false">
<dataconnection>
<server>xml test</server>
<uid>sa</uid>
<pwd>sa</pwd>
</dataconnection>
<net>
<name>xml document</name>
</net>
</userdata>
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XmlDocument doc=new XmlDocument();
doc.Load("config.xml");
XmlNode xnuser=doc.SelectSingleNode("userdata");
string flag=xnuser.Attributes["createuser"].InnerText;
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XmlDocument doc=new XmlDocument();
doc.Load("config.xml");
XmlNode xnserver = doc.SelectSingleNode("userdata/dataconnection/server");
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XmlDocument doc=new XmlDocument();
doc.Load("config.xml");
XmlNode xnuser=doc.SelectSingleNode("userdata");
xnuser.Attributes["createuser"].InnerText="false";
doc.Save("config.xml");
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XmlDocument doc = new XmlDocument();
XmlTextReader reader = new XmlTextReader("config.xml");
doc.Load("config.xml");
XmlElement root = doc.DocumentElement; // »ñÈ¡¸ù½Úµã
XmlElement tagMessage = doc.CreateElement("net");
XmlElement tagText = doc.CreateElement("name");
tagText.InnerText = netname;
tagMessage.AppendChild(tagText); // ×·¼Óµ½ xml Îı¾µÄ×îºóÃæ
root.AppendChild(tagMessage);
reader.Close(); // ¹Ø±Õ XmlTextReader
doc.Save("config.xml"); // ±£´æ xml Îļþ
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import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.List;
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