用SAX解析xml文件

[java]代码库

import org.xml.sax.*;
import org.xml.sax.helpers.*;
import javax.xml.parsers.*;

public class MyXMLReader extends DefaultHandler {

	java.util.Stack tags = new java.util.Stack();

	public MyXMLReader() {
		super();
	}

	public static void main(String args[]) {
		long lasting = System.currentTimeMillis();
		try {
			SAXParserFactory sf = SAXParserFactory.newInstance();
			SAXParser sp = sf.newSAXParser();
			MyXMLReader reader = new MyXMLReader();
			sp.parse(new InputSource("data.xml"), reader);
		} catch (Exception e) {
			e.printStackTrace();
		}

		System.out.println("运行时间：" + (System.currentTimeMillis() - lasting)
				+ "毫秒");
	}

	public void characters(char ch[], int start, int length)
			throws SAXException {
		String tag = (String) tags.peek();
		if (tag.equals("NO")) {
			System.out.print("车牌号码：" + new String(ch, start, length));
		}
		if (tag.equals("ADDR")) {
			System.out.println("地址:" + new String(ch, start, length));
		}
	}

	public void startElement(String uri, String localName, String qName,
			Attributes attrs) {
		tags.push(qName);
	}
}