SAX方式创建/解析xml

package com.test;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import javax.xml.parsers.ParserConfigurationException;
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;

import com.inter.XmlDocument;

public class SaxDemo implements XmlDocument
{

public void createXml(String fileName)
{
System.out.println("<<" + fileName + ">>");
}

public void parserXml(String fileName)
{
SAXParserFactory saxfac = SAXParserFactory.newInstance();
try
{
SAXParser saxparser = saxfac.newSAXParser();
InputStream is = new FileInputStream(fileName);
saxparser.parse(is, new MySAXHandler());
}
catch (ParserConfigurationException e)
{
e.printStackTrace();
}
catch (SAXException e)
{
e.printStackTrace();
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
System.out.println("-----sax解析完毕------");
}
}

class MySAXHandler extends DefaultHandler
{
boolean hasAttribute = false;
Attributes attributes = null;

public void startDocument() throws SAXException
{
System.out.println("开始打印");
}

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

public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException
{
if (qName.equals("employees"))
{
return;
}
if (qName.equals("employee"))
{
System.out.println(qName);
}
if (attributes.getLength() > 0)
{
this.attributes = attributes;
this.hasAttribute = true;
}
}

public void endElement(String uri, String localName, String qName)
throws SAXException
{
if (hasAttribute && (attributes != null))
{
for (int i = 0; i < attributes.getLength(); i++)
{
System.out.println(attributes.getQName(0)
+ attributes.getValue(0));
}
}
}

public void characters(char[] ch, int start, int length)
throws SAXException
{
System.out.println(new String(ch, start, length));
}
}

public class TestDom
{
public static void main(String[] args)
{
Saxdemo    sax  =  new  Saxdemo();

//创建的xml见图一
sax.createXml("D://employee.xml");
//解析的xml见图二
sax.parseXml("E://employee.xml");

}
}