请教如何使用htmlparser取的html表单中的值？

Question

<input id="news_Id" name="newsId" type="hidden" value="8434"/>
怎样用htmlparser把 8434 提取出来?

Answer 1

public class Testhtmlparser {
public static void main(String[] args) {
       Parser parser = null;
      NodeFilter filter = null;
       NodeList list = null;         
       try {
           parser = new Parser("http://www.cando100.com/news/20090226/12356117756402369890.html");
           //创建过超链接滤器          
           filter = new HasAttributeFilter( "id","news_Id" );           
           //过滤节点内容， 返回节点集
           list = parser.extractAllNodesThatMatch(filter);
           //遍历           
            if(list!=null) {
                       for (int i = 0; i < list.size(); i++) {                 
         InputTag inputtag = (InputTag) list.elementAt(i);   
                        System.out.println(inputtag.getAttribut ("value"));                                     
                }        
                  }       
        } catch (Exception e) {            e.printStackTrace();        }     }
}