Lucene全文检索

Posted 2020-08-10 彼扬

  Lucene写入和更新操作：            
            if (id.equals("")) {
 2                 this.goodsService.save(goods);
 3 
 4                 String goods_lucene_path = System.getProperty("user.dir")
 5                         + File.separator + "luence" + File.separator + "goods";
 6                 File file = new File(goods_lucene_path);
 7                 if (!file.exists()) {
 8                     CommUtil.createFolder(goods_lucene_path);
 9                 }
10                 LuceneVo vo = new LuceneVo();
11                 vo.setVo_id(goods.getId());
12                 vo.setVo_title(goods.getGoods_name());
13                 vo.setVo_content(goods.getGoods_details());
14                 vo.setVo_type("goods");
15                 vo.setVo_store_price(CommUtil.null2Double(goods
16                         .getStore_price()));
17                 vo.setVo_add_time(goods.getAddTime().getTime());
18                 vo.setVo_goods_salenum(goods.getGoods_salenum());
19                 LuceneUtil lucene = LuceneUtil.instance();
20                 LuceneUtil.setIndex_path(goods_lucene_path);
21                 lucene.writeIndex(vo);
22             } else {
23                 this.goodsService.update(goods);
24 
25                 String goods_lucene_path = System.getProperty("user.dir")
26                         + File.separator + "luence" + File.separator + "goods";
27                 File file = new File(goods_lucene_path);
28                 if (!file.exists()) {
29                     CommUtil.createFolder(goods_lucene_path);
30                 }
31                 LuceneVo vo = new LuceneVo();
32                 vo.setVo_id(goods.getId());
33                 vo.setVo_title(goods.getGoods_name());
34                 vo.setVo_content(goods.getGoods_details());
35                 vo.setVo_type("goods");
36                 vo.setVo_store_price(CommUtil.null2Double(goods
37                         .getStore_price()));
38                 vo.setVo_add_time(goods.getAddTime().getTime());
39                 vo.setVo_goods_salenum(goods.getGoods_salenum());
40                 LuceneUtil lucene = LuceneUtil.instance();
41                 LuceneUtil.setIndex_path(goods_lucene_path);
42                 lucene.update(CommUtil.null2String(goods.getId()), vo);
43             }

     Lucene查询：

　　　LuceneResult pList = lucene.search(keyword, 
         CommUtil.null2Int(currentPage), 
         CommUtil.null2Int(store_price_begin), 
         CommUtil.null2Int(store_price_end), null, sort);
       for (LuceneVo vo : pList.getVo_list()) {
         Goods goods = this.goodsService.getObjById(vo.getVo_id());
         pList.getGoods_list().add(goods);
       }
       CommUtil.saveLucene2ModelAndView("goods", pList, mv);
　　　　

public static void saveLucene2ModelAndView(String type, LuceneResult pList, ModelAndView mv)
   {
     if (pList != null) {
       if (type.equals("goods")) {
         mv.addObject("objs", pList.getGoods_list());
       }
       if (type.equals("store")) {
         mv.addObject("objs", pList.getStore_list());
       }
       mv.addObject("totalPage", Integer.valueOf(pList.getPages()));
       mv.addObject("pageSize", Integer.valueOf(pList.getPageSize()));
       mv.addObject("rows", Integer.valueOf(pList.getRows()));
       mv.addObject("currentPage", new Integer(pList.getCurrentPage()));
       mv.addObject(
         "gotoPageFormhtml", 
         showPageFormHtml(pList.getCurrentPage(), 
         pList.getPages()));
     }
   }