dom4j解析xml和xmlstr
用到的包

import java.io.File;import java.util.Iterator;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.DocumentHelper;import org.dom4j.Element;import org.dom4j.io.SAXReader;

  String str = ""; //xml字符串  SAXReader saxReader = new SAXReader();Document document = null;try {document = DocumentHelper.parseText(str);//document = saxReader.read(new File("d:/NewFile.xml"));} catch (DocumentException e) {System.out.println(">>>>>>>>>>>>" + e.getMessage());e.printStackTrace();}Element root = document.getRootElement(); Element selitem = null, item = null;for (Iterator it = root.elementIterator("item"); it.hasNext();) {item = (Element) it.next();String sub1= item.element("sub1").getText();String sub2= item.elementText("sub2");System.out.println(sub1+">>>>>>>>>"+sub2);}