演示示例
以下是我们需要创建的XML :
Ferrari 101 Ferrari 202
演示示例
CreateXmlFileDemo.java
package com.it1352.xml; import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.DocumentBuilder;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerFactory;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;import org.w3c.dom.Attr;import org.w3c.dom.Document;import org.w3c.dom.Element;import java.io.File;public class CreateXmlFileDemo { public static void main(String argv[]) { try { DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); Document doc = dBuilder.newDocument(); // root element Element rootElement = doc.createElement("cars"); doc.appendChild(rootElement); // supercars element Element supercar = doc.createElement("supercars"); rootElement.appendChild(supercar); // setting attribute to element Attr attr = doc.createAttribute("company"); attr.setValue("Ferrari"); supercar.setAttributeNode(attr); // carname element Element carname = doc.createElement("carname"); Attr attrType = doc.createAttribute("type"); attrType.setValue("formula one"); carname.setAttributeNode(attrType); carname.appendChild( doc.createTextNode("Ferrari 101")); supercar.appendChild(carname); Element carname1 = doc.createElement("carname"); Attr attrType1 = doc.createAttribute("type"); attrType1.setValue("sports"); carname1.setAttributeNode(attrType1); carname1.appendChild( doc.createTextNode("Ferrari 202")); supercar.appendChild(carname1); // write the content into xml file TransformerFactory transformerFactory = TransformerFactory.newInstance(); Transformer transformer = transformerFactory.newTransformer(); DOMSource source = new DOMSource(doc); StreamResult result = new StreamResult(new File("C:\\cars.xml")); transformer.transform(source, result); // Output to console for testing StreamResult consoleResult = new StreamResult(System.out); transformer.transform(source, consoleResult); } catch (Exception e) { e.printStackTrace(); } }}
上述程序将产生以下结果 :
Ferrari 101 Ferrari 202