HtmlParser解析百度指数

检索词为：java
主要获得java的相关检索词和上升最快相关检索词。获得相关的百分比

package cn.com.htmlparser.use;  import org.htmlparser.Node; import org.htmlparser.NodeFilter; import org.htmlparser.Parser; import org.htmlparser.filters.HasAttributeFilter; import org.htmlparser.tags.Span; import org.htmlparser.tags.TableColumn; import org.htmlparser.tags.TableRow; import org.htmlparser.tags.TableTag; import org.htmlparser.util.NodeList; import org.htmlparser.util.ParserException;  public class BaiduZhishu {      /**      * @author rrong_m      * @param args      * @throws ParserException       */     public static void getXiangguan(String url) throws ParserException//相关检索词     {         Parser parser=new Parser(url);         parser.setEncoding("gb2312");         NodeFilter filter=new HasAttributeFilter("style","margin-left:10px; float:left");         NodeList nodelist=parser.extractAllNodesThatMatch(filter);         NodeList n1=P(nodelist.elementAt(0).getChildren(),"class","tdkeyr");         NodeList n2=P(nodelist.elementAt(0).getChildren(),"class","bar");         for(int i=0;i<n1.size();i++)         {             System.out.print(n1.elementAt(i).toPlainTextString()+"||||");             Node node=n2.elementAt(i);             if(node instanceof Span)             {                 Span s=(Span) node;                 String temp=s.getAttribute("style");                 System.out.println(temp.split("%")[0].split(":")[1]);             }//获得百分比。。        }     }     public static NodeList P(NodeList nodelist,String a,String b)     {         NodeFilter filter=new HasAttributeFilter(a,b);         nodelist=nodelist.extractAllNodesThatMatch(filter, true);         return nodelist;     }     public static void getShangSheng(String url) throws ParserException//上升最快的检索词     {         Parser parser=new Parser(url);         parser.setEncoding("gb2312");         NodeFilter filter=new HasAttributeFilter("style","margin-left:10px; float:right");         NodeList nodelist=parser.extractAllNodesThatMatch(filter);         if(nodelist.size()>0)         {             Node node=nodelist.elementAt(0);             if(node instanceof TableTag)             {                 TableTag table=(TableTag) node;                 for(TableRow tr:table.getRows())                 {                     String temp="";                     for(TableColumn tc:tr.getColumns())                     {                         temp=temp+tc.toPlainTextString();                     }                     System.out.println(temp);                 }             }         }     }     public static void main(String[] args) throws ParserException {         getXiangguan("http://index.baidu.com/main/word.php?word=java");         getShangSheng("http://index.baidu.com/main/word.php?word=java");      }  }