问用lucene实现模糊搜索

EN

    public String[] luceneQuery(String query, int numberOfHits, String path)
        throws ParseException, IOException {

    File dir = new File(path);
    Directory index = FSDirectory.open(dir);

    query = query + "~";
    Query q = new QueryParser(Version.LUCENE_43, "label", analyzer)
            .parse(query);

    IndexReader reader = DirectoryReader.open(index);
    IndexSearcher searcher = new IndexSearcher(reader);

    Query fuzzyQuery = new FuzzyQuery(new Term("label", query), 2);

    ScoreDoc[] fuzzyHits = searcher.search(fuzzyQuery, numberOfHits).scoreDocs;
    String[] fuzzyResults = new String[fuzzyHits.length];

    for (int i = 0; i < fuzzyHits.length; ++i) {
        int docId = fuzzyHits[i].doc;
        Document d = searcher.doc(docId);
        fuzzyResults[i] = d.get("label");
    }

    reader.close();
    return fuzzyResults;
}