Lucene高亮显示内容 

 1     public String highlight(Query query,String filedname,String text){
 2         try {
 3             QueryScorer queryScorer=new QueryScorer(query);
 4             Fragmenter fragmenter=new SimpleSpanFragmenter(queryScorer);
 5             Formatter formatter=new SimpleHTMLFormatter("<strong>", "</strong>");
 6             Highlighter highlighter=new Highlighter(formatter,queryScorer);
 7             highlighter.setTextFragmenter(fragmenter);
 8             String str=highlighter.getBestFragment(new MMSegAnalyzer(), filedname, text);
 9             return str;
10         }  catch (IOException e) {
11             e.printStackTrace();
12         } catch (InvalidTokenOffsetsException e) {
13             e.printStackTrace();
14         }
15         return text;
16     }
 1 public void search(String word){
 2         try {
 3             IndexSearcher searcher=Utils.getIndexSearcher();
 4             MultiFieldQueryParser parser=new MultiFieldQueryParser(Version.LUCENE_35, new String[]{"title","summary"}, new MMSegAnalyzer());
 5             Query query=parser.parse(word);
 6             TopDocs topDocs=searcher.search(query, 200);
 7             ScoreDoc[] docs=topDocs.scoreDocs;
 8             for(ScoreDoc s:docs){
 9                 Document d=searcher.doc(s.doc);
10                 System.out.println(this.highlight(query,"title", d.get("title")));
11                 System.out.println(this.highlight(query,"summary",d.get("summary")));
12             }
13         } catch (CorruptIndexException e) {
14             e.printStackTrace();
15         } catch (ParseException e) {
16             e.printStackTrace();
17         } catch (IOException e) {
18             e.printStackTrace();
19         }
20     }
    @Test
    public void testHighlight02(){
        hl.search("百度");
    }

 

posted @ 2012-04-24 22:41  Paul.Lau  阅读(1967)  评论(1)    收藏  举报