Lucene分页-----SearcherAfter

 /**
      * 分页，SearcherAfter
      * @param query
      * @param pageIndex
      * @param pageSize
      */
     public void searchPageByAfter(String query,int pageIndex,int pageSize){
         try {
             IndexSearcher indexSearcher = getSearcher();
             QueryParser parser = new QueryParser("content", new StandardAnalyzer());
             Query q = parser.parse(query);
             //获取上一页的最后一个元素
             ScoreDoc lastScoreDoc = getLastScoreDoc(pageIndex, pageSize, q, indexSearcher);
             //通过最后一个元素搜索下页的pageSize个元素
             TopDocs topDocs = indexSearcher.searchAfter(lastScoreDoc,q,pageSize);
             System.out.println("共："+topDocs.totalHits);
             for (ScoreDoc item : topDocs.scoreDocs) {
                 Document doc = indexSearcher.doc(item.doc);
                 System.out.println("名字:" + doc.get("name") + ",邮箱:" + doc.get("email") + ",id:" + doc.get("id"));
             }
         } catch (Exception e) {
             // TODO: handle exception
             e.printStackTrace();
         }finally{
             try {
                 directory.close();
             } catch (IOException e) {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }
         }
     }

测试：

@Test
    public void searchPageByAfter(){
        SearchUtil util = new SearchUtil();
        util.searchPageByAfter("like",1,3);
    }