手动创建索引及全文检索

  /**       * 创建索引       * @param path       */      public void createIndex(String path){           try {               IndexWriter writer = new IndexWriter(path,new StandardAnalyzer(),true);               Document docA = new Document();               //相当于数据库中列的概念，因此第一个参数是列名，第二个参数是列的值，最后两个参数是enum类型的(JDK1.5)，对创建的索引的设置               //Field.Store 是否覆盖原来的索引文件，而不是重新建一个               Field fieldA = new Field("content","搜索引擎",Field.Store.YES,Field.Index.TOKENIZED);               //我们把列(fieldA)加到某一行(docA)中               docA.add(fieldA);                              docA.add(new Field("title","你好中国",Field.Store.YES,Field.Index.TOKENIZED));               docA.add(new Field("content","欢迎你llying",Field.Store.YES,Field.Index.TOKENIZED));               docA.add(new Field("lastModifyTime","2008-9-17",Field.Store.YES,Field.Index.TOKENIZED));               docA.add(new Field("testCapital","HelloWangzi",Field.Store.YES,Field.Index.TOKENIZED));               docA.add(new Field("testAndOr","test and",Field.Store.YES,Field.Index.TOKENIZED));                              Document docB = new Document();               //相当于数据库中列的概念，因此第一个参数是列名，第二个参数是列的值，最后两个参数是enum类型的(JDK1.5)，对创建的索引的设置               Field fieldB = new Field("content","创建索引",Field.Store.YES,Field.Index.TOKENIZED);               //我们把列(fieldA)加到某一行(docA)中               docB.add(fieldB);               docB.add(new Field("title","你好世界",Field.Store.YES,Field.Index.TOKENIZED));               docB.add(new Field("content","欢迎加入jee高级开发群46176507",Field.Store.YES,Field.Index.TOKENIZED));               docB.add(new Field("lastModifyTime","2008-9-6",Field.Store.YES,Field.Index.TOKENIZED));               docB.add(new Field("testCapital","hellowangZi",Field.Store.YES,Field.Index.TOKENIZED));               docB.add(new Field("testAndOr","test or",Field.Store.YES,Field.Index.TOKENIZED));                              writer.addDocument(docA);               writer.addDocument(docB);                              //如果对海量数据进行创建索引的时候，需要对索引进行优化，以便提高速度               writer.optimize();                              //跟数据库类似，打开一个连接，使用完后，要关闭它               writer.close();           } catch (CorruptIndexException e) {               e.printStackTrace();           } catch (LockObtainFailedException e) {               e.printStackTrace();           } catch (IOException e) {               e.printStackTrace();           }       }     

public Wrapper searchDigitalBook(final PageExtNative page){return (Wrapper) this.baseDao.execute(new HibernateCallback(){public Object doInHibernate(Session session) throws HibernateException, SQLException{// 将SESSION转换成lucence session，执行全文检索FullTextSession fullSession = Search.getFullTextSession(session);//Map<String, String> search = page.getMSearch();StringBuffer searchQuery = new StringBuffer();Wrapper wrap = null;Query luceneQuery = null;QueryParser parser = new QueryParser("dboSourceName", new StandardAnalyzer());try {searchQuery.append("( dboSourceName:").append(page.getMSearch().get("contantion"));//书名searchQuery.append(" OR dboAuthor:").append(page.getMSearch().get("contantion"));//作者searchQuery.append(" OR dboSummary:").append(page.getMSearch().get("contantion"));//摘要searchQuery.append(" OR dboKeyword:").append(page.getMSearch().get("contantion"));//关键词searchQuery.append(") AND ddbId:").append(page.getMSearch().get("ddbId"));//资源库IDluceneQuery = parser.parse(searchQuery.toString());FullTextQuery query = fullSession.createFullTextQuery(luceneQuery, DigitalBookDetail.class);//总记录数int size = query.getResultSize();query.setFirstResult(page.getStart());query.setMaxResults(page.getLimit());List<DigitalBookDetail> books = query.list();wrap = new Wrapper(books,String.valueOf(size));} catch (ParseException e) {e.printStackTrace();}return wrap;}});}