import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import java.util.*;
/**
* Created by IntelliJ IDEA.<br>
* <b>User</b>: leizhimin<br>
* <b>Date</b>: 2008-4-14 14:02:12<br>
* <b>Note</b>: Java递归遍历XML所有元素
*/ public class XmlTest {
// private static Map<String, String> xmlmap = new HashMap<String, String>(); //存储xml元素信息的容器 private static List<Leaf> elemList =
new ArrayList<Leaf>();
//要测试的xml对象 private static String srcXml =
"<?xml version=\"1.0\" encoding=\"GBK\"?>\n" +
"<doc>\n" +
" <person>\n" +
" <name>某人</name>\n" +
" <adds> \n" +
" <add ID=\"10002\">\n" +
" <BS>10002</BS>\n" +
" <note>西安市太白路</note>\n" +
" </add>\n" +
" <add ID=\"\">\n" +
" <BS>10002</BS>\n" +
" <note>空ID节点啊</note>\n" +
" </add>\n" +
" <add>\n" +
" <BS>10002</BS>\n" +
" <note>空ID节点啊</note>\n" +
" </add>\n" +
"\t\t\t<add ID=\"10001\">\n" +
"\t\t\t\t<BS xmlns=\"10001\"/>\n" +
" <note>西安市太白路2</note>\n" +
" </add>\n" +
"\t\t</adds>\n" +
" </person>\n" +
" <other>\n" +
" <name ID=\"HEHE\">ASDF</name>\n" +
" </other>\n" +
"</doc>";
public static void main(String args[])
throws DocumentException {
XmlTest test =
new XmlTest();
Element root = test.getRootElement();
test.getElementList(root);
String x = test.getListString(elemList);
System.out.println(
"-----------原xml内容------------");
System.out.println(srcXml);
System.out.println(
"-----------解析结果------------");
System.out.println(x);
}
/**
* 获取根元素
*
* @return
* @throws DocumentException
*/ public Element getRootElement()
throws DocumentException {
Document srcdoc = DocumentHelper.parseText(srcXml);
Element elem = srcdoc.getRootElement();
return elem;
}
/**
* 递归遍历方法
*
* @param element
*/ public void getElementList(Element element) {
List elements = element.elements();
if (elements.size() == 0) {
//没有子元素 String xpath = element.getPath();
String value = element.getTextTrim();
elemList.add(
new Leaf(xpath, value));
}
else {
//有子元素 for (Iterator it = elements.iterator(); it.hasNext();) {
Element elem = (Element) it.next();
//递归遍历 getElementList(elem);
}
}
}
public String getListString(List<Leaf> elemList) {
StringBuffer sb =
new StringBuffer();
for (Iterator<Leaf> it = elemList.iterator(); it.hasNext();) {
Leaf leaf = it.next();
sb.append(leaf.getXpath()).append(
" = ").append(leaf.getValue()).append(
"\n");
}
return sb.toString();
}
}
/**
* xml节点数据结构
*/ class Leaf {
private String xpath;
// private String value;
public Leaf(String xpath, String value) {
this.xpath = xpath;
this.value = value;
}
public String getXpath() {
return xpath;
}
public void setXpath(String xpath) {
this.xpath = xpath;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
}