创建xml

package com.wxh.xml.create;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

import com.xml.model.Book;

public class CreateDemo {

	public static void main(String[] args) throws IOException {
		
		List<Book> books=new ArrayList<Book>(); 
		books.add(new Book("001","西游记","吴承恩","北京大学出版社",39.8));
		books.add(new Book("002","红楼梦","曹雪芹",58.8));
		books.add(new Book("003","三国演义","罗贯中",34.8));
		books.add(new Book("004","水浒传","施耐庵",28.8));
		
		File file=new File("book.xml");
		//获取目标文件的输出流
		FileOutputStream fos=new FileOutputStream(file);		
		
		//创建文档对象
		Document document=DocumentHelper.createDocument();
		//向文档中添加根标签
		Element root=document.addElement("books");
		
		//编辑数据集合，根据数据在文档中生成对应元素和属性
		for (Book book : books) {
			Element b=root.addElement("book").addAttribute("bno",book.getBno());			
			b.addElement("name").addText(book.getName());
			b.addElement("author").addText(book.getAuthor());
			b.addElement("publish").addText(book.getPublish());
			b.addElement("price").addText(book.getPrice()+"");
		}
		
		OutputFormat fmt=OutputFormat.createPrettyPrint();		
		
		XMLWriter writer=new XMLWriter(fos,fmt);
		writer.write(document);
		writer.flush();
		writer.close();
				
	}
	
}

Book.Java

package com.xml.model;

public class Book {
	private String bno; //编号
	private String name; //书名
	private String author;//作者
	private String publish;//出版社
	private double price;//单价
	
	public Book() {
	}

	public Book(String bno,String name,String author,String publish,double price) {
		super();
		this.bno = bno;
		this.name = name;
		this.author = author;
		this.publish = publish;
		this.price = price;
	}

	public String getBno() {
		return bno;
	}

	public void setBno(String bno) {
		this.bno = bno;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAuthor() {
		return author;
	}

	public void setAuthor(String author) {
		this.author = author;
	}

	public String getPublish() {
		return publish;
	}

	public void setPublish(String publish) {
		this.publish = publish;
	}

	public double getPrice() {
		return price;
	}

	public void setPrice(double price) {
		this.price = price;
	}	
}

（编辑：李大同）

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