com.sun.org.apache.xerces.internal.dom.DeferredTextImpl cannot be cast to org.w3
public class DomXmlTest{public static void main(String[] args) {
DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
try {
DocumentBuilder db=dbf.newDocumentBuilder();
Document doc=db.parse("test/url.xml");
NodeList ol=doc.getElementsByTagName("helloworld");
for(int i=0;i<ol.getLength();i++){
Element e=(Element) ol.item(i);
System.out.println(e.getAttribute("name"));
NodeList ol1=e.getChildNodes();
for(int k=0;k<ol1.getLength();k++){
//在xml文档节点前存在回车,制表符等都会占用一个节点Node，这一类Node是无法转为Element，会抛com.sun.org.apache.xerces.internal.dom.DeferredTextImpl cannot be cast to org.w3c.dom.Element。可在前加if判断节点类型
if(ol1.item(k).getNodeType()==Node.ELEMENT_NODE){
Element e1=(Element) ol1.item(k);
System.out.println(e1.getNodeName());
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
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