利用dom4j创建XML和解析XML

来源：互联网发布：java实现md5 编辑：程序博客网时间：2024/04/28 01:31
Java代码 package com.ylt.mfz.util;  import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.Writer; import java.util.Iterator;  import org.dom4j.Attribute; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.io.SAXReader; import org.dom4j.io.XMLWriter;  public class Dom4jDemo {      /**     * 创建xml文件     * @param fileName     */     public void createXml(String fileName)      {            Document document = DocumentHelper.createDocument();  //创建文档           Element employees=document.addElement("employees");            Element employee=employees.addElement("employee");            Element name= employee.addElement("name");   //添加子节点         name.setText("ddvip"); //添加Text值；例：<a>abc</a>         name.setAttributeValue("sa", "sa"); //添加属性；例：<a item="item"></a>         Element sex=employee.addElement("sex");            sex.setText("m");            Element age=employee.addElement("age");            age.setText("29");            try {                Writer fileWriter=new FileWriter(fileName);                XMLWriter xmlWriter=new XMLWriter(fileWriter);                xmlWriter.write(document);   //写入文件中             xmlWriter.close();               } catch (IOException e) {                    System.out.println(e.getMessage());                }        }             /**     * 读取xml文件     * @param fileName     */     public void parserXml(String fileName)      {            File inputXml=new File(fileName);            SAXReader saxReader = new SAXReader();            try {                Document document = saxReader.read(inputXml);   //把文件读入到文档             Element employees=document.getRootElement();   //获取文档根节点             //System.out.println(employees);             //for(Iterator i = employees.elementIterator(); i.hasNext();){                    //Element employee = (Element) i.next();   //              System.out.println(employee); //              for(Iterator j = employee.elementIterator(); j.hasNext();){    //                  Element node=(Element) j.next();    //                  System.out.println(node.getName()+":"+node.getText()+":"); //                  for(Iterator m = node.attributeIterator();m.hasNext();) //                  {                //                      Attribute item = (Attribute)m.next(); //                      System.out.println(item.getName()+","+item.getValue()); //                  } //              }                    this.doublexml(employees);             //}            } catch (DocumentException e) {                System.out.println(e.getMessage());            }                System.out.println("dom4j parserXml");        }              //递归    private void doublexml(Element ele)     {         for(Iterator i = ele.elementIterator();i.hasNext();)         {             Element node = (Element)i.next();             System.out.println("节点名:"+node.getName());             if(node.attributes()!=null && node.attributes().size()>0)             {                 for(Iterator j = node.attributeIterator();j.hasNext();)                 {                     Attribute item = (Attribute)j.next();                     System.out.print("属性名："+item.getName()+"\t属性值："+item.getValue()+"\n");                 }             }             if(node.getText().length()>0)             {                 System.out.println("节点值："+node.getText());             }             if(node.elementIterator().hasNext())             {                 this.doublexml(node);             }         }     }          public static void main(String[] args) {         Dom4jDemo demo = new Dom4jDemo();                      demo.createXml("d:/sa.xml");                      demo.parserXml("d:/getchannels[1].xml");     } } <pre name="code" class="java"></pre><pre name="code" class="java"></pre><pre name="code" class="java"></pre> 作者“jeasonjack”
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