創(chuàng)建xml文件的縮進(jìn)與添加相同子節(jié)點(diǎn)
寫出來xml文件怎么自動縮進(jìn)啊，不僅僅是換行？還有怎么添加多個book節(jié)點(diǎn)啊？
腳踏地
2015-01-23
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2015-01-24
縮進(jìn)可以采用tab鍵，也可以使用xml專門的編輯器；
添加多個book節(jié)點(diǎn)：
<bookstore>
????<book>...</book>
????<book>...</book>
????<book>...</book>
????....
</bookstore>
2015-01-27
//之前之所以添加的book節(jié)點(diǎn)會覆蓋前面的book節(jié)點(diǎn)，是因?yàn)樽兞棵枷嗤?，這樣的話自然下面的要替換上面的值
public static void main(String[] args) {
??new TestXml().createXml();
?}
?
?public void createXml(){
??DocumentBuilder db=getDocumentBuilder();
??Document document=db.newDocument();
??document.setXmlStandalone(true);
??Element books=document.createElement("books");
??document.appendChild(books);
??
//??添加多個節(jié)點(diǎn)
??books.appendChild(getChildNode(document,"1","冰與火之歌","喬治馬丁","39"));
??books.appendChild(getChildNode(document,"2","安徒生童話","安徒生","29"));
??
??TransformerFactory tff=TransformerFactory.newInstance();
??
??try {
???Transformer tf=tff.newTransformer();
???tf.setOutputProperty(OutputKeys.INDENT, "yes");
//設(shè)置縮進(jìn)量
???tf.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
???tf.transform(new DOMSource(document), new StreamResult(new File("lib/books1.xml")));
???
??} catch (TransformerConfigurationException e) {
???// TODO Auto-generated catch block
???e.printStackTrace();
??} catch (TransformerException e) {
???// TODO Auto-generated catch block
???e.printStackTrace();
??}
?}
?
?public DocumentBuilder getDocumentBuilder(){
??DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
??DocumentBuilder db = null;
??try {
???db=dbf.newDocumentBuilder();
??} catch (ParserConfigurationException e) {
???e.printStackTrace();
??}
??return db;
?}
?
?public Element getChildNode(Document doc,String id,String name,String author,String price){
??Element childNode=doc.createElement("book");
??childNode.setAttribute("id", id);
??childNode.appendChild(getChildNodeElement(doc,"name",name));
??childNode.appendChild(getChildNodeElement(doc,"author",author));
??childNode.appendChild(getChildNodeElement(doc,"price",price));
??return childNode;
?}
?public Element getChildNodeElement(Document doc,String name,String text){
??Element element=doc.createElement(name);
??element.setTextContent(text);
??return element;
?}