자바 기반 XML 생 성 프로 세 스 분석

package com.zyb.xml;
 
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
 
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
 
public class TestXml2 {
 
  public static void main(String[] args) throws Exception {
    // TODO Auto-generated method stub
    Document doc = DocumentHelper.createDocument();
    //1.     
    Element root = doc.addElement("books");
    for(int i=0;i<2;i++){
      //2.        
      Element book = root.addElement("book");
      //3.         
      book.addAttribute("id", "001");
      //4.         
      Element author = book.addElement("author");
      Element price = book.addElement("price");
      Element time = book.addElement("time");
      //5.       
      author.addText("    ");
      price.addText("12.25");
      time.addText("2015-09-05");
    }
 
    //       
    OutputFormat format = OutputFormat.createPrettyPrint();
    //6.//    xml  
    OutputStream out = new FileOutputStream("src/book2.xml");
    Writer wr = new OutputStreamWriter(out, "UTF-8");//       OutputStreamWriter      FileWriter         
    XMLWriter output = new XMLWriter(wr,format); 
    //7. doc   xml   
    output.write(doc);
    //8.    
    wr.close(); 
    out.close();       
    output.close();
  }
 
}