package com.fwh.handle;

import javax.xml.stream.events.StartElement;

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

public class Handletest extends DefaultHandler {
 int index=0;
 //遍历XML文件的开始标签
 @Override
 public void startElement(String uri, String localName, String qName,
   Attributes attributes) throws SAXException {
  // TODO Auto-generated method stub
  //条用DefaultHandler的startElement方法
  super.startElement(uri, localName, qName, attributes);
   if(qName.equals("book")) {
    index++;
    System.out.println("===========第"+index+"本书开始了============");
//    String a=attributes.getValue("id");
//    System.out.print("属性名ID的值为："+a);
    int a=attributes.getLength();
    for(int i=0;i<a;i++) {
     System.out.print("属性名："+attributes.getQName(i));
     System.out.println("---值为："+attributes.getValue(i));
    }
   }else if(!qName.equals("book")&&!qName.equals("bookstore")) {
    System.out.print("节点名是："+qName);
   }
 }
 //遍历XML文件的结束标签
 @Override
 public void endElement(String uri, String localName, String qName)
   throws SAXException {
  // TODO Auto-generated method stub
  super.endElement(uri, localName, qName);
  if(qName.equals("book")) {
  System.out.println("===========第"+index+"本书结束了============");
  }
 }
 //用来标识解析开始
 @Override
 public void startDocument() throws SAXException {
  // TODO Auto-generated method stub
  super.startDocument();
  System.out.println("现在，解析xml开始了！");
 }
 //用来标识解析结束
 @Override
 public void endDocument() throws SAXException {
  // TODO Auto-generated method stub
  super.endDocument();
  System.out.println("现在，解析xml结束了！");
 }
 @Override
 public void characters(char[] ch, int start, int length) throws SAXException {
  // TODO Auto-generated method stub
  super.characters(ch, start, length);
  String a=new String(ch, start, length);
  if(!a.trim().equals(" ")) {
   System.out.println("---属性值为："+a);
  }
 }

}