新版本突显原生 XML 类型和高级数据处理的优势

核心提示： package simpleTest;import org.xml(标准化越来越近了).sax.Attributes;import org.xml(标准化越来越近了).sax.SAXException;import org.xml(标准化越来越近了).sax.Locator;import org.xml(标准化越来越

　　package simpleTest;

import org.xml(标准化越来越近了).sax.Attributes;

import org.xml(标准化越来越近了).sax.SAXException;

import org.xml(标准化越来越近了).sax.Locator;

import org.xml(标准化越来越近了).sax.ContentHandler;

import org.xml(标准化越来越近了).sax.InputSource;

import org.xml(标准化越来越近了).sax.helpers.DefaultHandler;

import java.io.IOException;

import javax.xml(标准化越来越近了).parsers.SAXParser;

import javax.xml(标准化越来越近了).parsers.SAXParserFactory;

class TestSAX extends DefaultHandler

{

private StringBuffer buf;

public TestSAX()

{

super();

}

public void setDocumentLocator(Locator locator)

{

}

public void startDocument() throws SAXException

{

buf=new StringBuffer();

System.out.println("*******开始解析文档*******");

}

public void endDocument() throws SAXException

{

System.out.println("*******文档解析结束*******");

}

public void startPrefixMapping( String prefix, String uri )

{

System.out.println(" 前缀映射: " + prefix +" 开始!"+ " 它的URI是:" + uri);

}

public void endPrefixMapping( String prefix )

{

System.out.println(" 前缀映射: "+prefix+" 结束!");

}

public void processingInstruction( String target, String instruction )

throws SAXException

{

}

public void ignorableWhitespace( char[] chars, int start, int length ) throws SAXException

{

}

public void skippedEntity( String name ) throws SAXException

{

}

public void startElement(String namespaceURI,String localName,String qName,Attributes atts)

{

System.out.println("*******开始解析元素*******");

System.out.println("元素名"+qName);

for(int i=0;i<atts.getLength();i++)

{

System.out.println("元素名"+atts.getLocalName(i)+"属性值"+atts.getValue(i));

}

}

public void endElement(String namespaceURI,String localName,String fullName )throws SAXException

{

System.out.println("******元素解析结束********");

}

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

{

//将元素内容累加到StringBuffer中

buf.append(chars,start,length);

}

public static void main(String args[])

{

try{

SAXParserFactory sf = SAXParserFactory.newInstance();

SAXParser sp = sf.newSAXParser();

TestSAX testsax=new TestSAX();

sp.parse(new InputSource("D:\test\simpleTest\classes\simpleTest\test.xml(标准化越来越近了)"),testsax);

}catch(IOException e)

{

e.printStackTrace();

}catch(SAXException e)

{

e.printStackTrace();

}catch(Exception e)

{

e.printStackTrace();

}

}

}

xml(标准化越来越近了)文件如下:

<?xml(标准化越来越近了) version="1.0" encoding="gb2312"?>

<row>

<person>

<name>王小明</name>

<college>信息学院</college>

<telephone>6258113</telephone>

<notes>男,1955年生,博士，95年调入海南大学</notes>

</person>

</row>