数值和日期索引

【数值型】

    /**
     * 创建索引
     */
    @Test
    public void testIndex(){
        //存储3篇文章的信息。包括：id、标题、作者、字数、发布日期、内容
        int[] ids = {1,2,3};
        String[] titles = {"Hello","I love you","morning"};
        String[] authors = {"Hello Mike","HanMeimei","Tom"};
        //正文的字数（数值类型数据）
        int[] sizes = {7000,98092,500};
        //发布日期(日期类型数据)
        Date[] publishDate={fmt("2010-2-23"),fmt("2015-8-06"),fmt("2017-3-12")};
        
        String[] contents= {"Hello,My Name Is Mike; good","Tome,I Love You; good，good,good","Good Moring,I'm so sorry; good,，good,good，good,good"};
        
        IndexWriter writer = null;
        
        try {
            //1、创建Directory
            Directory directory = FSDirectory.open(new File("E:\lucene\index2"));
            
             ......
            //3、创建Document
            Document doc = null;
            
            //4、设置Field
            for(int i = 0;i<ids.length;i++){
                doc = new Document();
                //为文档添加域(属性)
                String id = Integer.toString(ids[i]);
                doc.add(new Field("id",id,Field.Store.YES,Field.Index.NOT_ANALYZED_NO_NORMS));
                doc.add(new Field("title",titles[i],Field.Store.YES,Field.Index.NOT_ANALYZED));
                doc.add(new Field("author",authors[i],Field.Store.YES,Field.Index.NOT_ANALYZED));                
                doc.add(new Field("content", contents[i],Field.Store.NO,Field.Index.ANALYZED));
                
                //数值型索引
                doc.add(new NumericField("size",Field.Store.YES,false).setIntValue(sizes[i]));
                
                //日期类型数据索引
                doc.add(new NumericField("date", Field.Store.YES, false).setLongValue(publishDate[i].getTime()));
                
                //修改索引的权值
                //默认权值为1.0
                //将Id为1的数据权值调整到5.0
                if(ids[i] == 1)
                    doc.setBoost(5.0f);
                
                writer.addDocument(doc);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        finally{
         ......
        }
    }