xpath问题

java__net 2012-09-20 11:46:02





javax.xml.parsers.DocumentBuilderFactory factory = javax.xml.parsers.DocumentBuilderFactory.newInstance();

factory.setNamespaceAware(true);

javax.xml.parsers.DocumentBuilder builder = factory.newDocumentBuilder();

org.w3c.dom.Document doc = builder.parse("120828204636756754.xml");

javax.xml.xpath.XPathFactory xFactory = javax.xml.xpath.XPathFactory.newInstance();

javax.xml.xpath.XPath xpath = xFactory.newXPath();

javax.xml.xpath.XPathExpression expr = xpath.compile("//Question");



Object result = expr.evaluate(doc,javax.xml.xpath.XPathConstants.NODESET);



org.w3c.dom.NodeList nodeList = (org.w3c.dom.NodeList)result;

javax.xml.xpath.XPathExpression expr1 = xpath.compile("//QuestionText");



for(int i =0;i<nodeList.getLength();i++){

	System.out.println(nodeList.item(i).getAttributes().getNamedItem("QuestionId").toString());

	System.out.println(nodeList.item(i).toString());

	Object result1 = expr1.evaluate(nodeList.item(i),javax.xml.xpath.XPathConstants.NODESET);

	org.w3c.dom.NodeList nodeList1 = (org.w3c.dom.NodeList)result1;

	System.out.println(nodeList1.getLength());

}