import java.io.File;import java.util.LinkedList;import java.util.List; import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory; import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler; public class ParseXMLFileWithSAX extends DefaultHandler { private StringBuffer buffer = new StringBuffer(); private static String responseCode; private static String date; private static String title; private static Currency currency; private static Rates rates; public static void main(String[] args) throws Exception { DefaultHandler handler = new ParseXMLFileWithSAX(); SAXParserFactory factory = SAXParserFactory.newInstance(); factory.setValidating(false); SAXParser parser = factory.newSAXParser(); parser.parse(new File("in.xml"), handler); System.out.println("Response Code:" + responseCode); System.out.println("Date:" + date); System.out.println("Title:" + title); System.out.println("Rates:"); for (Currency curr : rates.currencies) { System.out.println("\tCode:" + curr.code + " - Rate:" + curr.rate); } } private static class Currency { public String code; public String rate; } private static class Rates { public List currencies = new LinkedList(); } @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { buffer.setLength(0); if (qName.equals("response")) { responseCode = attributes.getValue("code"); } else if (qName.equals("date")) { date = ""; } else if (qName.equals("title")) { title = ""; } else if (qName.equals("rates")) { rates = new Rates(); } else if (qName.equals("currency")) { currency = new Currency(); } } @Override public void endElement(String uri, String localName, String qName)throws SAXException { if (qName.equals("date")) { date = buffer.toString(); } else if (qName.equals("title")) { title = buffer.toString(); } else if (qName.equals("currency")) { rates.currencies.add(currency); } else if (qName.equals("code")) { currency.code = buffer.toString(); } else if (qName.equals("rate")) { currency.rate = buffer.toString(); } } public void characters(char[] ch, int start, int length) { buffer.append(ch, start, length); } }
输入xml文件:
2008-11-07Exchange rates for 2008-11-07 EUR1.220USD1.275
输出：
Response Code:200Date:2008-11-07Title:Exchange rates for 2008-11-07Rates: Code:EUR - Rate:1.0 Code:USD - Rate:1.275600
以上就是java使用SAX解析xml的代码实例的详细内容，更多请关注创想鸟其它相关文章！
版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。
如发现本站有涉嫌抄袭侵权/违法违规的内容， 请发送邮件至 chuangxiangniao@163.com 举报，一经查实，本站将立刻删除。
发布者：程序猿，转转请注明出处：https://www.chuangxiangniao.com/p/1429032.html
微信扫一扫 
支付宝扫一扫 
