java解释Xml,从数据库中读出来,解释Xml

package com.east.xml; import java.util.ArrayList; import java.util.Iterator; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.transform.Result; import javax.xml.transform.Transformer; 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; import org.w3c.dom.Text; import com.east.bean.Cate; public class DBParseXMLTest { public static void main(String[] args) { // DOM工厂创建document对象 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); try { DocumentBuilder db = dbf.newDocumentBuilder(); Document document = db.newDocument(); document.setXmlVersion("1.0"); Element root = document.createElement("cateBean"); ArrayList array = CateDAO.selectAll(); System.out.println(array); for (Iterator iterator = array.iterator(); iterator.hasNext();) { Cate cateBean = (Cate) iterator.next(); Element cate = document.createElement("cate"); Element cateId = document.createElement("cateId"); Text cateIdText = document.createTextNode(""+cateBean.getCateId()); cateId.appendChild(cateIdText); Element cateName = document.createElement("cateName"); Text cateNameText = document.createTextNode(""+cateBean.getCateName()); cateName.appendChild(cateNameText); Element oriPrice = document.createElement("oriPrice"); Text oriPriceText = document.createTextNode(""+cateBean.getOriPrice()); oriPrice.appendChild(oriPriceText); Element curPrice = document.createElement("curPrice"); Text curPriceText = document.createTextNode(""+cateBean.getCurPrice()); curPrice.appendChild(curPriceText); Element imgPath = document.createElement("imgPath"); Text imgPathText = document.createTextNode(""+cateBean.getImgPath()); imgPath.appendChild(imgPathText); Element description = document.createElement("description"); Text descriptionText = document.createTextNode(""+cateBean.getDescription()); description.appendChild(descriptionText); cate.appendChild(cateId); cate.appendChild(cateName); cate.appendChild(oriPrice); cate.appendChild(curPrice); cate.appendChild(imgPath); cate.appendChild(description); root.appendChild(cate); } document.appendChild(root); // 创建Xml文件转换器 TransformerFactory tranf = TransformerFactory.newInstance(); Transformer trans = tranf.newTransformer(); // 给文件转换器设置字符编码 trans.setOutputProperty("encoding", "utf-8"); // 定义转换器输入对象 DOMSource source = new DOMSource(document); // 定义转换器输出对象 Result target = new StreamResult("test.xml"); trans.transform(source, target); } catch (ParserConfigurationException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (TransformerException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }