SAX解析XML

一、使用SAX解析xml文件

新建一个类，继承之DefaultHandler:

示例代码如下:

package org.demo.saxxml;

import org.xml.sax.Attributes;

import org.xml.sax.SAXException;

import org.xml.sax.helpers.DefaultHandler;

public class MyContentsHandler extends DefaultHandler {

       String Name,Sex;

       String tagName;

       String xmlContent="";

       @Override

//解析每个标签的时候调用的方法

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

                     throws SAXException {

              if(tagName.equals("Name")){

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

                     System.out.println(Name);

              }else if(tagName.equals("Sex")){

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

              }

              super.characters(ch, start, length);

       }

//解析xml文档结束时

       @Override

       public void endDocument() throws SAXException {

              // TODO Auto-generated method stub

              System.out.println("End...");

             

              super.endDocument();

       }

//解析xml标签结束时

       @Override

       public void endElement(String uri, String localName, String qName)

                     throws SAXException {

              // TODO Auto-generated method stub

              if(localName.equals("Name")){

                     xmlContent+=Name+"|";

                     System.out.println(xmlContent);

              }else if(localName.equals("Sex")){

                     xmlContent+=Sex+"<br>";

              }

              super.endElement(uri, localName, qName);

       }

//解析xml文档开始时

       @Override

       public void startDocument() throws SAXException {

              // TODO Auto-generated method stub

              super.startDocument();

       }

//解析xml标签开始时

       @Override

       public void startElement(String uri, String localName, String qName,

                     Attributes attributes) throws SAXException {

              // TODO Auto-generated method stub

              tagName=localName;

              super.startElement(uri, localName, qName, attributes);

       }

       public String getContent(){

              return xmlContent;

       }

      

}