public?void?createXML(){
		DocumentBuilder?db?=getDocumentBuilder();
		Document?document=db.newDocument();
		document.setXmlStandalone(true);
		Element?bookstore=document.createElement("bookStore");
		//向bookstore根節(jié)點中添加子節(jié)點book
		Element?book=document.createElement("book");
		
		Element?book2=document.createElement("book");
		
		Element?name?=document.createElement("name");
		name.setTextContent("小王子");
		book.appendChild(name);
	
		
		Element?author=document.createElement("author");
		author.setTextContent("喬治馬丁");
		book.appendChild(author);
	
		Element?year=document.createElement("year");
		author.setTextContent("hhhh");
		book.appendChild(year);

		
		Element?language=document.createElement("language");
		author.setTextContent("English");
		book.appendChild(language);

		
		
		//向book節(jié)點添加屬性
		book.setAttribute("id",?"1");
		book2.setAttribute("id",?"2");
		//將book節(jié)點添加到bookstore根節(jié)點中
		bookstore.appendChild(book);
		bookstore.appendChild(book2);
		//將bookstore節(jié)點（已經包含了book）添加到dom樹中
		document.appendChild(bookstore);
		
		//創(chuàng)建TransformerFactory對象
		TransformerFactory?tff=TransformerFactory.newInstance();
		try?{
			
			//創(chuàng)建Transformer對象
			Transformer?tf=tff.newTransformer();
			tf.setOutputProperty(OutputKeys.INDENT,?"yes");
	
				tf.transform(new?DOMSource(document),?new?StreamResult(new?File("bookstore1.xml")));
		}?catch?(TransformerConfigurationException?e)?{
			//?TODO?自動生成的?catch?塊
			e.printStackTrace();
		}
		catch?(TransformerException?e)?{
			//?TODO?自動生成的?catch?塊
			e.printStackTrace();
		}
	}

為什么我生成的XML文件不對 ?上邊代碼寫的不對嗎 ? 試了好幾遍都是下面這樣的結果

<?xml version="1.0" encoding="UTF-8"?><bookStore>

<book id="1">

<name>小王子</name>

<author>English</author>

<year/>

<language/>

</book>

<book id="2"/>

</bookStore>