卡加:dom4j 遍历

来源：百度文库编辑：偶看新闻时间：2024/04/30 13:53:41

http://java.chinaitlab.com/XMLBeans/786805.html

DOM4J 操作 XML的工具类

http://blog.csdn.net/aoxiang_y/article/details/3986640

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.DocumentException;
import org.dom4j.Element;

import java.util.*;

/**
* Created by IntelliJ IDEA.

* User: leizhimin

* Date: 2008-4-14 14:02:12

* Note: Java递归遍历XML所有元素
*/
public class XmlTest {

//    private static Map xmlmap = new HashMap();
    //存储xml元素信息的容器
    private static List elemList = new ArrayList();

    //要测试的xml对象
    private static String srcXml = "\n" +
            "\n" +
            "    \n" +
            "        某人\n" +
            "                    \n" +
            "            \n" +
            "                10002\n" +
            "                西安市太白路\n" +
            "            \n" +
            "            \n" +
            "                10002\n" +
            "                空ID节点啊\n" +
            "            \n" +
            "            \n" +
            "                10002\n" +
            "                空ID节点啊\n" +
            "            \n" +
            "\t\t\t\n" +
            "\t\t\t\t\n" +
            "                西安市太白路2\n" +
            "            \n" +
            "\t\t\n" +
            "    \n" +
            "    \n" +
            "        ASDF\n" +
            "    \n" +
            "";

    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 elemList) {
        StringBuffer sb = new StringBuffer();
        for (Iterator 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;
    }
} 运行结果： -----------原xml内容------------
xml version="1.0" encoding="GBK"?>
<doc>
    <person>
        <name>某人name>
        <adds>
            <add ID="10002">
                <BS>10002BS>
                <note>西安市太白路note>
            add>
            <add ID="">
                <BS>10002BS>
                <note>空ID节点啊note>
            add>
            <add>
                <BS>10002BS>
                <note>空ID节点啊note>
            add>
      <add ID="10001">
    <BS xmlns="10001"/>
                <note>西安市太白路2note>
            add>
  adds>
    person>
    <other>
        <name ID="HEHE">ASDFname>
    other>
doc>
-----------解析结果------------
/doc/person/name = 某人
/doc/person/adds/add/BS = 10002
/doc/person/adds/add/note = 西安市太白路
/doc/person/adds/add/BS = 10002
/doc/person/adds/add/note = 空ID节点啊
/doc/person/adds/add/BS = 10002
/doc/person/adds/add/note = 空ID节点啊
/doc/person/adds/add/*[name()='BS'] =
/doc/person/adds/add/note = 西安市太白路2
/doc/other/name = ASDF

Process finished with exit code 0

求dom4j-1.6.1的下载地址遍历菜单遍历文件夹二叉树遍历程序 C#遍历树二叉树的遍历遍历理论是什么? 什么是遍历数组？二叉树遍历问题 ASP遍历目录问题图的遍历二叉树的遍历关于马的遍历 javascript遍历浏览器地址栏 VB中遍历网站广度优先遍历图的遍历怎么写？非连通图的遍历 matlab怎样遍历稀疏矩阵 C# 遍历文件夹的源代码怎遍历HashMap并打印？请教php如何遍历数组如何推算第三种遍历关于二叉树的遍历