亲亲宝宝

       private static void search(String str) throws Exception {

              IndexReader reader = IndexReader.open(FSDirectory.open(new File(

                            INDEX_DIR)), true); // only searching,

              // so read-only=true

              Searcher searcher = new IndexSearcher(reader);

              Analyzer analyzer = new IKAnalyzer();

              String field = "contents";

              QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, field,

              Query query = null;

              str = getKeyWord(str);

              query = parser.parse(str);

              BooleanQuery q = new BooleanQuery();

              q.add(query, BooleanClause.Occur.MUST);

              QueryParser parser2 = new QueryParser(Version.LUCENE_CURRENT, "keyword",  analyzer);

              Query q2 = parser2.parse(str);

              q.add(q2, BooleanClause.Occur.SHOULD);

              searcher.search(q, collector);

              ScoreDoc[] hits = collector.topDocs().scoreDocs;