xml文档的生成与解析头文件字符集的设定

package com.company.item.desc;

import java.io.File;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.IOException;

import java.io.UnsupportedEncodingException;

import java.io.Writer;

import java.net.MalformedURLException;

import java.util.Iterator;

import org.dom4j.Document;

import org.dom4j.DocumentException;

import org.dom4j.DocumentHelper;

import org.dom4j.Element;

import org.dom4j.io.OutputFormat;

import org.dom4j.io.SAXReader;

import org.dom4j.io.XMLWriter;

/** * * @author hongliang.dinghl * Dom4j 生成XML文档与解析XML文档 */

public class Dom4j {

   //方法测试

    public static void main(String[] args) throws Exception {

 Dom4j.createXml("create.xml");

 try {

     Dom4j.parserXml("create.xml");

 } catch (MalformedURLException e) {

     // TODO Auto-generated catch block

     e.printStackTrace();

 }

    }

    // 生成XML文档

    public static void createXml(String fileName) throws Exception {

 Document document = DocumentHelper.createDocument();

 Element employees=document.addElement("employees"); 

 Element des=employees.addElement("des");  

 Element desms= des.addElement("desms");  

 desms.setText("加密模式为des"); 

 Element key=des.addElement("key");  

 key.setText("heooodes"); 

 Element desInfo=des.addElement("desInfo");

 desInfo.setText("加密内容为4545啊法师打发fdasdf5a4dsf54s5df");  

    // String ss = document.asXML();

      

 try {

    Writer fileWriter = new FileWriter("create.xml");

     //xml头文件字符集设定,如果xml内容是什么字节编码则这里最好对应不然解析后内容会出现乱码

     org.dom4j.io.OutputFormat format = new OutputFormat();

     format.setEncoding("utf-8");

     XMLWriter xmlWriter = new XMLWriter(fileWriter, format);

     xmlWriter.write(document);

     xmlWriter.close();

 } catch (IOException e) {

     e.printStackTrace();

 }

    }

    // 解析xml文档

    public static void parserXml(String fileName) throws MalformedURLException {

 File inputXml = new File(fileName);

      

 SAXReader saxReader = new SAXReader();

 

 try {

     Document document = saxReader.read(inputXml);

     Element employees = document.getRootElement();

     for (Iterator i = employees.elementIterator(); i.hasNext();) {

  Element employee = (Element) i.next();

  for (Iterator j = employee.elementIterator(); j.hasNext();) {

      Element node = (Element) j.next();

      System.out.println(node.getName() + ":" + node.getText());

  }

     }

   

 } catch (DocumentException e) {

     e.printStackTrace();

 }

    }

}

/*********************************************************************************************以下String ss被转换为字节对应的数字来保存字，解析方法改为GBK不会出现乱码/

  //生成TXT文件

    private static void stf(String ss) throws Exception {

 FileOutputStream fos = new FileOutputStream("des.txt");

 FileOutputStream fxs = new FileOutputStream("dex.xml");

 fos.write(ss.getBytes("GBK"));

 fxs.write(ss.getBytes("GBK"));

 fos.close();

 fxs.close();

    }

    // 生成xml文档头文件编码格式为UTF-8

    private static void xml(String ss) throws Exception {

 Document doc = DocumentHelper.createDocument();

 Element root = doc.addElement("DES");

 // 添加属性名 DES

 root.addAttribute("DES", "DES加密内容");

 // 添加节点内容

 root.setText(ss);

 String xml = doc.asXML();

 System.out.println(xml);

 FileOutputStream fxs = new FileOutputStream("DES.xml");

 fxs.write(xml.getBytes("utf-8"));

 fxs.close();

    }

    // 字符串生成xml文档头文件编码格式为GBK

    private static void createXml(String path, String ss) throws IOException {

 // 创建一个dom文档对象

 Document dom = DocumentHelper.createDocument();

 // 为文档添加根节点 des

 Element root = dom.addElement("des");

 // 为根节点添加属性名称和属性值

 root.addAttribute("des", "des加密内容");

 // 为根节点添加内容

 root.setText(ss);

 // 得到一个xml格式的字符串

 // String sxml = dom.asXML();

 FileWriter fwr = new FileWriter(path);

 OutputFormat format = new OutputFormat();

 format.setEncoding("GBK");

 XMLWriter xmlr = new XMLWriter(fwr, format);

 xmlr.write(dom);

 xmlr.close();

    }

    //解析xml文档

    private static void parseXml(String path) throws Exception{

 File file = new File(path);

 SAXReader sr = new SAXReader();

 Document dom = sr.read(file);

 Element root =dom.getRootElement();

 System.out.println("根节点为:"+root.getName()+"*****"+"根节点内容为:"+root.getText()); 

    }