创建xml文件

public class XmlImpl {
	private Document document;
	 
    public void init() {
        try {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            this.document = builder.newDocument();
        } catch (ParserConfigurationException e) {
            System.out.println(e.getMessage());
        }
    }
 
    public void createXml(String fileName) {
        Element root = this.document.createElement("scores"); 
        this.document.appendChild(root); 
        Element employee = this.document.createElement("employee"); 
        Element name = this.document.createElement("name"); 
        name.appendChild(this.document.createTextNode("wangchenyang")); 
        employee.appendChild(name); 
        Element sex = this.document.createElement("sex"); 
        sex.appendChild(this.document.createTextNode("m")); 
        employee.appendChild(sex); 
        Element age = this.document.createElement("age"); 
        age.appendChild(this.document.createTextNode("26")); 
        employee.appendChild(age); 
        root.appendChild(employee); 
        TransformerFactory tf = TransformerFactory.newInstance();
        try {
            Transformer transformer = tf.newTransformer();
            DOMSource source = new DOMSource(document);
            transformer.setOutputProperty(OutputKeys.ENCODING, "gb2312");
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
            PrintWriter pw = new PrintWriter(new FileOutputStream(fileName));
            StreamResult result = new StreamResult(pw);
            transformer.transform(source, result);
            System.out.println("生成XML文件成功!");
        } catch (TransformerConfigurationException e) {
            System.out.println(e.getMessage());
        } catch (IllegalArgumentException e) {
            System.out.println(e.getMessage());
        } catch (FileNotFoundException e) {
            System.out.println(e.getMessage());
        } catch (TransformerException e) {
            System.out.println(e.getMessage());
        }
    }
}