package com.nikee.dom4j;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
import java.io.*;
public class XmlDom4J{
public void generateDocument(){
//使用 DocumentHelper 类创建一个文档实例。 DocumentHelper 是生成 XML 文档节点的 dom4j API 工厂类
Document document = DocumentHelper.createDocument();
//使用 addElement()方法创建根元素catalog , addElement()用于向 XML 文档中增加元素
Element catalogElement = document.addElement("catalog");
//在 catalog 元素中使用 addComment() 方法添加注释"An XML catalog" catalogElement.addComment("An XML Catalog");
//在 catalog 元素中使用 addProcessingInstruction() 方法增加一个处理指令
catalogElement.addProcessingInstruction("target","text");
//在 catalog 元素中使用 addElement() 方法增加 journal 元素
Element journalElement = catalogElement.addElement("journal");
//使用 addAttribute() 方法向 journal 元素添加 title 和 publisher 属性
journalElement.addAttribute("title", "XML Zone"); journalElement.addAttribute("publisher", "IBM developerWorks"); Element articleElement=journalElement.addElement("article"); articleElement.addAttribute("level", "Intermediate"); articleElement.addAttribute("date", "December-2001");
Element titleElement=articleElement.addElement("title"); titleElement.setText("Java configuration with XML Schema"); Element authorElement=articleElement.addElement("author");
Element firstNameElement=authorElement.addElement("firstname"); firstNameElement.setText("Marcello");
Element lastNameElement=authorElement.addElement("lastname"); lastNameElement.setText("Vitaletti");
//可以使用 addDocType() 方法添加文档类型说明
//这样就向 XML 文档中增加文档类型说明：
document.addDocType("catalog","nikee","file://c:/Dtds/catalog.dtd");
try{
//XMLWriter output = new XMLWriter(new FileWriter( new File("D:/eclipse3.2/workspace/WebServices/src/com/nikee/dom4j/catalog.xml")));
FileOutputStream fos=new FileOutputStream("D:/eclipse3.2/workspace/WebServices/src/com/nikee/dom4j/catalog.xml");
OutputFormat of=new OutputFormat(" ", true);
XMLWriter xw=new XMLWriter(fos, of);
xw.write( document );
xw.close();
}
catch(IOException e) {
System.out.println(e.getMessage());
}
}
public static void main(String[] argv){
XmlDom4J dom4j=new XmlDom4J();
dom4j.generateDocument();
} }
xml 代码
xml version="1.0" encoding="UTF-8"?>
>
target text?>
Java configuration with XML Schematitle> <br><author> <br><firstname>Marcellofirstname> <lastname>Vitalettilastname> <br><author> <article> <journal> <catalog> <br><br>这是另外一种：<br>package org.lovo.xml;<br><br>import java.io.File;<br>import java.io.IOException;<br>import java.util.List;<br><br>import org.jdom.Document;<br>import org.jdom.Element;<br>import org.jdom.JDOMException;<br>import org.jdom.input.SAXBuilder;<br><br>public class TestXml{<br> <br> public String gjd;<br> public String zjd;<br> public String jdname;<br> public String content;<br> <br> public TestXml(){<br> <br> File file = new File("Test.xml");<br> SAXBuilder builder = new SAXBuilder();<br> <br> try {<br> Document doc = builder.build(file);<br> Element root = doc.getRootElement();<br> gjd = root.getName();<br> <br> Element stu = root.getChild("student");<br> zjd = stu.getName();<br> <br> Element name = stu.getChild("name");<br> jdname = name.toString();<br> content = name.getName();<br> List<Element> list = root.getChildren();<br> <br> for(int i=0;i<list.size();i++){<br> Element el = list.get(i);<br> System.out.println(el.getValue());<br> }<br> } catch (JDOMException e) {<br> // TODO Auto-generated catch block<br> e.printStackTrace();<br> } catch (IOException e) {<br> // TODO Auto-generated catch block<br> e.printStackTrace();<br> }<br> }<br> <br> public static void main(String[] args){<br> new TestXml();<br> }<br>}</p>
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