递归解析XML

 1 package com.app.test;
 2 
 3 import java.io.InputStream;
 4 import java.util.List;
 5 
 6 import org.dom4j.Attribute;
 7 import org.dom4j.Document;
 8 import org.dom4j.DocumentException;
 9 import org.dom4j.Element;
10 import org.dom4j.io.SAXReader;
11 import org.junit.Test;
12 
13 public class Dom4jTest {
14     //test时Juint的常用注解，选择函数名字 右键Run as Junit Test
15 
16     @Test
17     public void testParseXML() throws DocumentException {
18         SAXReader reader = new SAXReader();
19         InputStream is = this.getClass().getClassLoader()
20                 .getResourceAsStream("weather.xml");
21         Document doc = reader.read(is);
22         Element root = doc.getRootElement();
23         printChild(root);
24     }
25 
26     public void printChild(Element root) {
27         @SuppressWarnings("unchecked")
28         List<Element> childList = root.elements();
29         System.out.println(root.getName()+" "+root.getText());
30         for (Element e : childList) {
31             if (e.elements().size() == 0) {
32                 @SuppressWarnings("unchecked")
33                 List<Attribute> attributeList = e.attributes();
34                 for (Attribute a : attributeList) {
35                     System.out.println(a.getName() + ":" + a.getValue());
36                 }
37                 System.out.println(e.getName() + " " + e.getText());
38             } else {
39                 System.out.println(e.getName());
40                 List<Attribute> attributeList = e.attributes();
41                 for (Attribute a : attributeList) {
42                     System.out.println(a.getName() + ":" + a.getValue()+"======================");
43                 }
44                 printChild(e);
45             }
46         }
47     }
48 }