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);
            }
        }
    }
}