22.11. Example 范例

   
/*
* 范例：/restful/search/article/list/23/0/20.json?tags=美国
*/
@RequestMapping(value = "/article/list/{siteId}/{from}/{size}")
public List<Map<String, Object>> listBySiteIdAndTags(@PathVariable String siteId, @PathVariable int from, @PathVariable int size, @RequestParam(value = "tags", required = false) String tags) {
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();

SearchRequestBuilder searchRequestBuilder = client.prepareSearch("information").setTypes("article").setSearchType(SearchType.DFS_QUERY_THEN_FETCH).addSort("ctime", SortOrder.DESC)
// .addFields("_source","title", "description", "ctime")
;

if (tags != null && !tags.equals("")) {
// logger.info(tags);
searchRequestBuilder.setQuery(QueryBuilders.matchQuery("tags", tags));
}
searchRequestBuilder.setPostFilter(QueryBuilders.termQuery("site_id", siteId)).setFrom(from).setSize(size).setExplain(true);

// logger.info(searchRequestBuilder.toString());

SearchResponse response = searchRequestBuilder.get();

for (final SearchHit hit : response.getHits().getHits()) {
// logger.info(hit.getSourceAsString());
hit.getSourceAsMap().remove("content");
list.add(hit.getSourceAsMap());
}
logger.info(tags);
return list;
}
}
   
  

原文出处：Netkiller 系列 手札
本文作者：陈景峯
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