创建xml并初始化

import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Iterator;
import java.util.Vector;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;
public class writeXML
{

public static void callWriteXmlFile(Document doc, Writer w,
String encoding) {
try {
Source source = new DOMSource(doc);

Result result = new StreamResult(w);

Transformer xformer = TransformerFactory.newInstance()
.newTransformer();
xformer.setOutputProperty(OutputKeys.ENCODING, encoding);
xformer.transform(source, result);

}
catch (TransformerConfigurationException e) {
e.printStackTrace();
}
catch (TransformerException e) {
e.printStackTrace();
}
}

private void writeXMLFile(String outfile)
{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder builder=null;
try
{
builder = dbf.newDocumentBuilder();
}
catch(Exception e){}
Document doc = builder.newDocument();

Element root = doc.createElement_x_x("学生花名册");
doc.appendChild(root); //将根元素添加到文档上

//获取学生信息
//创建一个学生
Element stu = doc.createElement_x_x("学生");
stu.setAttribute("性别","男");
root.appendChild(stu);//添加属性

//创建文本年龄节点
Element age = doc.createElement_x_x("年龄");
stu.appendChild(age); //将age添加到学生节点上
Text tage = doc.createTextNode("23");
age.appendChild(tage); //将文本节点放在age节点上

//创建文本姓名节点
Element name = doc.createElement_x_x("姓名");
stu.appendChild(name);
Text tname = doc.createTextNode("灰太郎");
name.appendChild(tname);
try {
FileOutputStream fos = new FileOutputStream(outfile);
OutputStreamWriter outwriter = new OutputStreamWriter(fos);
//((XmlDocument)doc).write(outwriter); //出错！
callWriteXmlFile(doc,outwriter,"gb2312");
outwriter.close();
fos.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String args[])
{
writeXML w = new writeXML();
String outfile = "D:/student.txt";
w.writeXMLFile(outfile);

}

}

上述方法可用于XML文档的初始化。
文章转载自http://blog.sina.com.cn/s/blog_49b05ad00100gcka.html