dom解析xml
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
public class DOMParsePage {
public DOMParsePage() {
DocumentBuilderFactory domfac=DocumentBuilderFactory.newInstance();
try {
DocumentBuilder dombuilder=domfac.newDocumentBuilder();
InputStream is=new FileInputStream("C:/123.xml");
Document doc=dombuilder.parse(is);
Element root=doc.getDocumentElement();
NodeList books=root.getChildNodes();
if(books!=null){
for(int i=0;i<books.getLength();i++){
Node book=books.item(i);
for(Node node=book.getFirstChild();node!=null;node=node.getNextSibling())
{
if(node.getNodeType()==Node.ELEMENT_NODE){
if(node.getNodeName().equals("title")){
String bookname=node.getFirstChild().getNodeValue();
System.out.println(bookname);
}
if(node.getNodeName().equals("author")){
String author1=node.getFirstChild().getNodeValue();
System.out.println(author1);
}
if(node.getNodeName().equals("description")){
String addtime=node.getFirstChild().getNodeValue();
System.out.println(addtime);
}
if(node.getNodeName().equals("pubDate")){
String price=node.getFirstChild().getNodeValue();
System.out.println(price);
}
}
}
}
}
}catch (ParserConfigurationException e) {
e.printStackTrace();
}catch (FileNotFoundException e) {
e.printStackTrace();
}catch (SAXException e) {
e.printStackTrace();
}catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
new DOMParsePage();
}
}
SAX解析XML
package simpleTest;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.Locator;
import org.xml.sax.ContentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.helpers.DefaultHandler;
import java.io.IOException;
import javax.xml.parsers.SAXParser;
import javax.xml.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("\n前缀映射: " + prefix +" 开始!"+ " 它的URI是:" + uri);
}
public void endPrefixMapping( String prefix )
{
System.out.println("\n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"),testsax);
}catch(IOException e) {
e.printStackTrace();
}catch(SAXException e) {
e.printStackTrace();
}catch(Exception e) {
e.printStackTrace();
}
}
} XML文件如下: <?xml 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>
原文地址：http://blog.csdn.net/xiaokui_wingfly/article/details/46453363
