Dom4j工具类源码解析

话不多说，上源码：

package com.changeyd.utils;


import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;


import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;


public class Dom4jUtils {
 
 public static final String PATH = "src/p1.xml";


 // 返回document
 public static Document getDocument(String path) {


 try {
 // 创建解析器
 SAXReader saxReader = new SAXReader();


 // 得到document
 Document document = saxReader.read(path);
 return document;
 } catch (DocumentException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
 return null;


 }


 // 回写xml的方法
 public static void xmlWriters(String path, Document document) {
 XMLWriter xmlWriter = null;
 try {
 OutputFormat format = OutputFormat.createPrettyPrint();
 xmlWriter = new XMLWriter(new FileOutputStream(path), format);
 try {
 xmlWriter.write(document);
 } catch (IOException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }


 } catch (UnsupportedEncodingException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 } catch (FileNotFoundException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 } finally {
 try {
 xmlWriter.close();
 } catch (IOException e) {
 // TODO Auto-generated catch block
 e.printStackTrace();
 }
 }


 }}