DOM方法
public void createXML() throws Exception{
//新创建一个xml文件
DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
DocumentBuilder db=dbf.newDocumentBuilder();
Document document = db.newDocument();
//创建根节点
Element root = document.createElement("bookstore");
//创建子节点
Element child = document.createElement("book");
//设置子节点的属性
child.setAttribute("id", "1");
//创建孙节点
Element grandChild1 = document.createElement("name");
//设置孙节点的名字
grandChild1.setTextContent("道德经");
//添加孙节点到子节点
child.appendChild(grandChild1);
//添加子节点到根节点
root.appendChild(child);
//添加根节点到document
document.appendChild(root);
TransformerFactory tff=TransformerFactory.newInstance();
Transformer tf=tff.newTransformer();
tf.setOutputProperty(OutputKeys.INDENT, "yes");//INDENT缩进,表示是否换行
tf.transform(new DOMSource(document), new StreamResult(new File("books1.xml")));
}
public static void main(String[] args) throws Exception {
new DOMTest().createXML();
}
SAX方法
//SAX
public void createXML() throws Exception{
SAXTransformerFactory tff=(SAXTransformerFactory) SAXTransformerFactory.newInstance();
//创建TransformerHandler对象
TransformerHandler handler = tff.newTransformerHandler();
//通过获取Transformer对象,设置输出文件的格式
Transformer tf=handler.getTransformer();
tf.setOutputProperty(OutputKeys.ENCODING, "utf-8");//编码
tf.setOutputProperty(OutputKeys.INDENT, "yes");//换行
//创建一个Result对象,使其与handler关联
Result result = new StreamResult(new FileOutputStream(new File("books2.xml")));
handler.setResult(result);
/***开始创建***/
//打开文档
handler.startDocument();
//创建AttributesImpl对象(implement--->工具)
AttributesImpl atts=new AttributesImpl();
//创建节点
handler.startElement("", "", "bookstore", atts);
atts.clear();
atts.addAttribute("", "", "id", "", "1");//设置属性
handler.startElement("", "", "book", atts);
atts.clear();
handler.startElement("", "", "name", atts);
handler.characters("小王子".toCharArray(), 0, "小王子".length());//写入文本
handler.endElement("", "", "name");
handler.endElement("", "", "book");
handler.endElement("", "", "bookstore");
//关闭文档
handler.endDocument();
}
public static void main(String[] args) throws Exception {
new SAXTest().createXML();
}
JDOM方法
public void createXML() throws Exception{
//创建根节点
Element rootElement = new Element("rss");
rootElement.setAttribute("version", "2.0");
//创建document对象
Document document = new Document(rootElement);
Element bookstore = new Element("bookstore");
rootElement.addContent(bookstore);
Element book = new Element("book");
book.setText("<小王子>");
bookstore.addContent(book);
//设置生成xml的格式
Format format=Format.getCompactFormat();
format.setIndent("");//设置换行
format.setEncoding("gbk");
//生成xml文件
XMLOutputter outputer =new XMLOutputter(format);
outputer.output(document, new FileOutputStream(new File("books3.xml")));
}
public static void main(String[] args) throws Exception {
JDOMTest s = new JDOMTest();
s.createXML();
}
DOM4J方法
public void createXML() throws Exception{
//获取document对象
Document document = DocumentHelper.createDocument();
//添加rss节点
Element rss = document.addElement("rss");
//为rss节点添加属性
rss.addAttribute("version", "2.0");
Element bookstore = rss.addElement("bookstore");
Element book = bookstore.addElement("book");
Element name = book.addElement("name");
//为节点添加文本
name.setText("<小当家>");
//设置生成xml文件的格式
OutputFormat format = OutputFormat.createPrettyPrint();
format.setEncoding("gbk");
//生成xml文件
XMLWriter writer=new XMLWriter(new FileOutputStream(new File("books4.xml")), format);
//设置是否转义,默认为true
writer.setEscapeText(false);
writer.write(document);
writer.close();
}
public static void main(String[] args) throws Exception {
new DOM4JTest().createXML();
}