[DotLucene]分布式访问多个索引库的例子

            string indexDirectory1 = Server.MapPath("index/0-200000/");
            IndexSearcher searcher1 = new IndexSearcher(indexDirectory1); 
            string indexDirectory2 = Server.MapPath("index/200000-400000/");
            IndexSearcher searcher2 = new IndexSearcher(indexDirectory2); 
            string indexDirectory3 = Server.MapPath("index/400000-600000/");
            IndexSearcher searcher3 = new IndexSearcher(indexDirectory3); 
            string indexDirectory4 = Server.MapPath("index/600000-800000/");
            IndexSearcher searcher4 = new IndexSearcher(indexDirectory4); 
            string indexDirectory5 = Server.MapPath("index/800000-1000000/");
            IndexSearcher searcher5 = new IndexSearcher(indexDirectory5); 
            MultiSearcher searcher = new MultiSearcher(new Lucene.Net.Search.Searchable[]...{searcher1, searcher2, searcher3, searcher4, searcher5});

            // parse the query, "text" is the default field to search
            Query query = QueryParser.Parse(this.Q, "Text", new StandardAnalyzer()); 

            // search
            Hits hits = searcher.Search(query);

            this.total = hits.Length();