<?xml version="1.0" encoding="UTF-8"?>
<beans>
<bean id="computer" class="com.yangtianb.entity.Computer">
</bean>
</beans>我要得到“computer” 和“com.yangtianb.entity.Computer”也就是id,class的值
<beans>
<bean id="computer" class="com.yangtianb.entity.Computer">
</bean>
</beans>我要得到“computer” 和“com.yangtianb.entity.Computer”也就是id,class的值
去看看XML的解析方式:Jdom,dom4j之类的就行
import java.io.File;import org.dom4j.*;
import org.dom4j.io.SAXReader;
public class dom4jComputers { public static void main(String[] args) throws DocumentException {
SAXReader saxReader = new SAXReader();
Document doc = saxReader.read(new File("c:/computers.xml"));
doc.accept(new Visitor());
} private static class Visitor extends VisitorSupport{
public void visit(Attribute node){
System.out.println(node.getName() + " " + node.getText());
}
}
}
/* Output:
id computer
class com.yangtianb.entity.Computer
*///:-
package com.luowei.parseXML.dom;
import java.io.IOException;
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.NodeList;
import org.xml.sax.SAXException;public class ParseXML {
public static void main(String[] args) {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory
.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
// 获取XML文件
Document document = builder.parse("你XML文件的名称");
// 根据元素的名称获取节点
NodeList nodeList = document.getElementsByTagName("beans"); for (int i = 0; i < nodeList.getLength(); i++) {
// 获取子节点
NodeList childNodeList = nodeList.item(i).getChildNodes(); for (int j = 0; j < childNodeList.getLength(); j++) {
String uuid = null;
String className = null;
//判断此元素是否有属性
if (childNodeList.item(j).hasAttributes()) {
// 获取元素的属性值
Element element = (Element) childNodeList.item(j);
uuid = element.getAttribute("id");
className = element.getAttribute("class");
System.out.print("id: "+uuid+" class: "+className);
}
}
}
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} }
}
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;public class FileReader
{
public static void main(String[] args)
{
try
{
readXML();
} catch (ParserConfigurationException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SAXException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
} private static void readXML() throws ParserConfigurationException,
SAXException, IOException
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
// 获取XML文件
Document document = builder.parse("config.xml");
// 根据元素的名称获取节点
NodeList nodeList = document.getElementsByTagName("bean"); for (int i = 0; i < nodeList.getLength(); i++)
{
Node node = nodeList.item(i);
NamedNodeMap map = node.getAttributes();
for (int j = 0; j < map.getLength(); j++)
{
Node attr = map.item(j); if (attr.getNodeName().equals("id"))
{
System.out.println("id = " + attr.getNodeValue());
}
if (attr.getNodeName().equals("class"))
{
System.out.println("class = " + attr.getNodeValue());
}
}
} }
}