SAX解析器的工作流程是怎样的？

org.xml.sax.helpers.DefaultHandler

books.xml

            Gambardella, Matthew                Computer        44.95                Ralls, Kim                Fantasy        5.95    

import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler;public class MyBookHandler extends DefaultHandler {    private boolean inTitle = false; // 标记我们是否在结束，打印标题            inTitle = false; // 重置标记        }    }    @Override    public void startDocument() throws SAXException {        System.out.println("Parsing started...");    }    @Override    public void endDocument() throws SAXException {        System.out.println("Parsing finished.");    }}// 在主程序中这样使用：// SAXParserFactory factory = SAXParserFactory.newInstance();// SAXParser saxParser = factory.newSAXParser();// MyBookHandler handler = new MyBookHandler();// saxParser.parse("books.xml", handler);

inTitle