Java使用DOM生成XML文件

java代码：

package test;

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

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

public class XmlCreator {
public static void main(String[] args) {
// 创建DocumentBuilderFactory对象
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
// 创建DocumentBuilder对象
DocumentBuilder docBulider;
try {
docBulider = dbf.newDocumentBuilder();
// 创建Document对象，Document对象表示整个 HTML 或 XML 文档
Document document = docBulider.newDocument();
Element bookstore = document.createElement("bookstore");
Element book = document.createElement("book");
Element bookName = document.createElement("name");
Element year = document.createElement("year");
bookName.setTextContent("活着");
year.setTextContent("2015");
book.setAttribute("id", "123");
document.appendChild(bookstore);
bookstore.appendChild(book);
book.appendChild(bookName);
book.appendChild(year);
// 接下来将Element对象转换成xml文档
TransformerFactory tff = TransformerFactory.newInstance();
Transformer tf = tff.newTransformer();
tf.transform(new DOMSource(bookstore), new StreamResult("book1.xml"));
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (TransformerConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (TransformerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}
}


生成的book1.xml文件如下

<?xml version="1.0" encoding="UTF-8"?>
<bookstore>
<book id="123">
<name>活着</name>
<year>2015</year>
</book>
</bookstore>