//一下代码创建一个xml文档 import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.io.XMLWriter; import java.io.*; public class XmlDom4J{ public void generateDocument(){ Document document = DocumentHelper.createDocument();      Element catalogElement = document.addElement("catalog");      catalogElement.addComment("An XML Catalog");      catalogElement.addProcessingInstruction("target","text");      Element journalElement =  catalogElement.addElement("journal");      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");      document.addDocType("catalog",                            null,"file://c:/Dtds/catalog.dtd");     try{     XMLWriter output = new XMLWriter(             new FileWriter( new File("c:/catalog/catalog.xml") ));         output.write( document );         output.close();         }      catch(IOException e){System.out.println(e.getMessage());} } public static void main(String[] argv){ XmlDom4J dom4j=new XmlDom4J(); dom4j.generateDocument(); }}


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