sax解析并封装XML到bean

标签：xml解析   xml   

<?xml version="1.0" encoding="utf-8"?>
<书架>
	<书>
		<书名>JAVA就业培训教材</书名>
		<作者>张孝祥</作者>
		<价格>39.00</价格>
	</书>
	<书>
		<书名>SaxJDK7.0全解</书名>
		<作者>哈哈</作者>
		<价格>90.00</价格>
	</书>
</书架>

package XML及其操作;

public class Book {
	private String name;
	private String author;
	private String price;
	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 getPrice() {
		return price;
	}
	public void setPrice(String price) {
		this.price = price;
	}
	
}

package XML及其操作;

import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;

public class Xml的Sax解析方式并封装到Bean {

		public static void main(String[] args) throws Exception{
			//1.创建解析工厂
			SAXParserFactory sf = SAXParserFactory.newInstance();
			//2.创建解析器
			SAXParser sp = sf.newSAXParser();
			//3.得到读写器
			XMLReader xr = sp.getXMLReader();
			//4.设置内容处理器
			BeanListHandler bh = new BeanListHandler();
			xr.setContentHandler(bh);
			//5.读取xml文档
			xr.parse("src/XML及其操作/Sax解析.xml");
			List <Book> list = bh.getList();
			System.out.println(list);
		}
}

/**
 * 把xml文档中的每一本书封装到一个book对象中，并把多个 book对象放到一个list集合对象中返回
 * 
 * @author Administrator
 * 
 */
class BeanListHandler extends DefaultHandler {
	private Book book;
	private List <Book> list = new ArrayList <Book> ();
	private String currentTag;

	@Override
	public void startElement(String uri, String localName, String qName,
			Attributes attributes) throws SAXException {
		currentTag = qName;
		if("书".equals(currentTag)){
			book = new Book();
		}
	}

	@Override
	public void endElement(String uri, String localName, String qName)
			throws SAXException {
		currentTag = null;
		if("书".equals(qName)){
			list.add(book);
			book = null;
		}
	}

	@Override
	public void characters(char[] ch, int start, int length)
			throws SAXException {
		if("书名".equals(currentTag)){
			String name = new String(ch , start , length);
			book.setName(name);
		}
		if("作者".equals(currentTag)){
			String author = new String(ch , start , length);
			book.setAuthor(author);
		}
		if("价格".equals(currentTag)){
			String price = new String(ch , start , length);
			book.setPrice(price);
		}
	}
	
	public List <Book> getList(){
		return list;
	}

}

sax解析并封装XML到bean

标签：xml解析   xml   

原文地址：http://blog.csdn.net/u010218226/article/details/44099127