Lucene高亮显示,排序，过滤

Lucene高亮显示,排序，过滤

/** * lucene高亮显示,排序,过滤 * @author Administrator * */public class TestlighterHighter {@Testpublic  void testLigghterhighter() throws IOException, ParseException, InvalidTokenOffsetsException{//创建目录 Directory directory=FSDirectory.open(new File("D://luceneDirluceneDir"));//版本    Version version  = Version.LUCENE_44;//分词器Analyzer analyzer = new StandardAnalyzer(version);//创建indexReaderIndexReader indexReader = DirectoryReader.open(directory);IndexSearcher indexSearcher  = new IndexSearcher(indexReader);//关键字及查询字段String keyword = "全文检索";String [] fields = {"title","content"};//查询对象QueryParser queryParser = new MultiFieldQueryParser(version,fields,analyzer);Query query = queryParser.parse(keyword);//创建highlighter对象Formatter formatter  = new SimpleHTMLFormatter("<font color='green'>","</font>");Scorer fragmentScorer = new QueryScorer(query);Highlighter highlighter  = new Highlighter(formatter,fragmentScorer);//排序 SortField sortedField = new SortField("id",Type.INT,true);Sort sort  = new Sort(sortedField);//过滤器Filter filter = NumericRangeFilter.newIntRange("id", 1, 4, true, true);TopDocs topDocs  =indexSearcher.search(query, filter, 10, sort);System.out.println("total==="+topDocs.totalHits);ScoreDoc[] scoreDocs = topDocs.scoreDocs;for (ScoreDoc scoreDoc : scoreDocs) {int docID = scoreDoc.doc;System.out.println("documentID===="+docID);Document document = indexSearcher.doc(docID);String id = document.get("id");String title = document.get("title");String content = document.get("content");String hightitle = highlighter.getBestFragment(analyzer, "title", title);String highcontent = highlighter.getBestFragment(analyzer, "content", content);System.out.println("id==="+id);System.out.println("title==="+title);System.out.println("content===="+content);System.out.println("hightitle===="+hightitle);System.out.println("highcontent==="+highcontent);System.out.println("------------------------------------------------------------------");       }}   }