XML构建

package com.dameng;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

/**
 * xml文件生成
 *
 * @author Allen
 */
public class XmlTest {

    public static void main(String[] args) throws ParserConfigurationException, TransformerException {
        Document document = DocumentBuilderFactory
                .newInstance()
                .newDocumentBuilder()
                .newDocument();
        Element root = document.createElement("root");
        Element child = document.createElement("child");
        document.appendChild(root);
        root.appendChild(child);
        child.appendChild(document.createTextNode("child content"));

        Transformer transformer = TransformerFactory
                .newInstance()
                .newTransformer();
        transformer.setOutputProperty(OutputKeys.ENCODING, "gb2312");
        // 设置缩进
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.transform(new DOMSource(document), new StreamResult("test.xml"));
    }
}