摘要: 一:多字段排序 可以如下构造Sort。example.displayHits(allBooks,new Sort(new SortField[]{new SortField("category"),SortField.FIELD_SCORE,new SortField("pubmonth", SortField.INT, true)}));备注:knowing that sorting by a String is the most expensive type in termsof resources(对字符型数据排序是最耗资源的)-------参考& 阅读全文
posted @ 2012-04-21 11:24 李克华 阅读(743) 评论(0) 推荐(0)