DOM解析器

package com.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.NodeList;

import org.w3c.do
9bfc
m.Node;

import org.xml.sax.SAXException;

public class DomTest {

public static void main(String[] args) {
// TODO Auto-generated method stub
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

try {
DocumentBuilder builder = factory.newDocumentBuilder();//创建DOM的解析工厂
Document document = builder.parse("d:\\11.txt");//使用解析器解析文档生成倒树的Document
NodeList list = document.getElementsByTagName("Weather");//得到文档中的所有Weather标签
Node node = list.item(0);//得到第一个Weather
Node child = node.getFirstChild();//得到weather的第一个子标签city
Node next = child.getNextSibling();//得到city的下一个标签
while (next != null) {//判断有没有走到最后一个标签
if (next.getNodeType() == node.ELEMENT_NODE) {//判断节点类型是ELEMENT_NODE
Node content = next.getFirstChild();//得到该节点的第一个子节点不能为空

if (content != null) {
System.out.println(next.getFirstChild().getNodeValue().trim());
}
}
next=next.getNextSibling();//得到下一个标签

}

} 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();
}

}

}