public class Searcher { * main(这里用一句话描述这个方法的作用) public static void main(String[] args) throws IOException, ParseException { String indexDir = "F:/lucene/indexDir"; String queryString = "patent AND freedom"; search(indexDir, queryString); } public static void search( String indexDir, String queryString ) throws IOException, ParseException { Directory dir = FSDirectory.open( new File( indexDir ) ); IndexSearcher indexSearcher = new IndexSearcher( dir ); QueryParser queryParser = new QueryParser( Version.LUCENE_34, "contents", new StandardAnalyzer( Version.LUCENE_34 ) ); Query query = queryParser.parse( queryString ); long beginQueryTime = System.currentTimeMillis(); TopDocs hits = indexSearcher.search( query, 10 ); long endQueryTime = System.currentTimeMillis(); System.err.println( "Found " + hits.totalHits + " document(s) in " + (endQueryTime - beginQueryTime) + " milliseconds that matched query '" + queryString + "':"); for (ScoreDoc scoreDoc : hits.scoreDocs) { Document doc = indexSearcher.doc( scoreDoc.doc ); System.out.println( doc.get("fullpath") ); } indexSearcher.close(); } }