sax解析xml文件

package com.yangrs;

import java.io.IOException;

import javax.xml.parsers.*;

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

/**
*
* date 12008-12-16
*
* @author spirit_fly
* SAX解析XML文件
* 优点，简单
*
*/
public class SAXtoMyxml {

public static void main(String[] args) throws ParserConfigurationException,
SAXException, IOException {

// 通过工厂获得SAX解析器

SAXParserFactory sf = SAXParserFactory.newInstance();
SAXParser sax = sf.newSAXParser();

//解析器
// 通过解析器解析xml文件

sax.parse("myxml1.xml", new SAXHander()); //使用自定义的监听器

}

}

// 自定义sax解析监听器
class SAXHander extends DefaultHandler {

public void startDocument() throws SAXException {
System.out.println("文档开始 ");

}

public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
System.out.println("元素开始 "+qName);

}

public void characters(char[] ch, int start, int length) throws SAXException {

String text = new String(ch,start,length);

//去掉xml文件中的空格节点
if(text.trim().equals("")) {
return;
}
System.out.println("文本内容 "+text);
}

public void endElement(String uri, String localName, String qName) throws SAXException {

System.out.println("元素结束 "+qName);
}

public void endDocument() throws SAXException {
System.out.println("文档结束 ");
}

}