请教网页数据抓取问题

package org.htmlparser.NodeFilter;
import org.htmlparser.Parser;
import org.htmlparser.filters.HasAttributeFilter;
import org.htmlparser.filters.NodeClassFilter;
import org.htmlparser.tags.LinkTag;
import org.htmlparser.util.NodeList;
import org.htmlparser.util.ParserException;
public class TestHtmlparser {
    /**
     * @author rrong_m
     * @throws ParserException
     */
    public static void getWords(String url) throws ParserException {
        Parser parser = new Parser(url);
        NodeFilter filter = new HasAttributeFilter("id", "word_more_con");
        NodeList nodelist = parser.extractAllNodesThatMatch(filter);
        NodeFilter filter1 = new NodeClassFilter(LinkTag.class);
        nodelist = nodelist.extractAllNodesThatMatch(filter1, true);
        for (int i = 0; i < nodelist.size(); i++) {
            LinkTag link = (LinkTag) nodelist.elementAt(i);
            System.out.println(link.getLinkText() + ":" + link.getLink());
        }
    }
    public static void main(String[] args) throws ParserException {
        getWords("http://baike.baidu.com/view/598725.htm");
    }
}