递归解析XML

　　

 package com.app.test;

 import java.io.InputStream;
 import java.util.List;

 import org.dom4j.Attribute;
 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.Element;
 import org.dom4j.io.SAXReader;
 import org.junit.Test;

 public class Dom4jTest {
     //test时Juint的常用注解，选择函数名字 右键Run as Junit Test

     @Test
     public void testParseXML() throws DocumentException {
         SAXReader reader = new SAXReader();
         InputStream is = this.getClass().getClassLoader()
                 .getResourceAsStream("weather.xml");
         Document doc = reader.read(is);
         Element root = doc.getRootElement();
         printChild(root);
     }

     public void printChild(Element root) {
         @SuppressWarnings("unchecked")
         List<Element> childList = root.elements();
         System.out.println(root.getName()+" "+root.getText());
         for (Element e : childList) {
             if (e.elements().size() == 0) {
                 @SuppressWarnings("unchecked")
                 List<Attribute> attributeList = e.attributes();
                 for (Attribute a : attributeList) {
                     System.out.println(a.getName() + ":" + a.getValue());
                 }
                 System.out.println(e.getName() + " " + e.getText());
             } else {
                 System.out.println(e.getName());
                 List<Attribute> attributeList = e.attributes();
                 for (Attribute a : attributeList) {
                     System.out.println(a.getName() + ":" + a.getValue()+"======================");
                 }
                 printChild(e);
             }
         }
     }
 }