JAVA SAX 方式解析XML文件

 

package com.czp;

import java.io.File;

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

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
/***
 * 簡單的xml文件解析方式
 * @author Caozp
 * @version 1.0
 *
 */
public class MySaxXml extends DefaultHandler {
 
   @Override
 public void endDocument() throws SAXException {
  super.endDocument();
 }

 @Override
 public void endElement(String uri, String localName, String name)
   throws SAXException {
  super.endElement(uri, localName, name);
 }
    /***
     * 取XML的name and value
     *可以将其只放到map中
     * @param uri
     * @param localName
     * @param name
     * @param attributes
     * @throws SAXException
     */
 @Override
 public void startElement(String uri, String localName, String name,
   Attributes attributes) throws SAXException {
  super.startElement(uri, localName, name, attributes);
  if(attributes!=null){
   for (int i = 0; i < attributes.getLength(); i++) {
    System.out.println(attributes.getQName(i)+"\tvalue:"+attributes.getValue(i));
   }
  }
 }

/***
 * 实现解析
 * @param xmlPath
 * @throws Exception
 */
public void reader(String xmlPath) throws Exception{
 SAXParserFactory factory = SAXParserFactory.newInstance();
 SAXParser parser = factory.newSAXParser();
 parser.parse(new File(xmlPath), new MySaxXml());
}

public static void main(String[] args) throws Exception {
 new MySaxXml().reader("D:\\test.xml");
}
}