ES基础-ES实现高亮显示

许多应用都倾向于在每个搜索结果中 高亮 部分文本片段

 

 

GET zkgdsgoods/_search
{
    "query": {
        "match": {
            "goodsName": "数码电器"
        }
    },
    "highlight": {
        "fields" : {
            "goodsName" : {},//要高亮的字段
            "goodsIntro" : {}//不会高亮
        }
    }
}

 

 结构显示

 

{
  "took" : 17,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : 491,
    "max_score" : 17.428253,
    "hits" : [
      {
        "_index" : "zkgdsgoods",
        "_type" : "mchgoods",
        "_id" : "189651",
        "_score" : 17.428253,
        "_source" : {
          "goodsImg" : null,
          "modifiedTime" : "2019-05-18T09:01:46.000",
          "addTime" : "2018-08-17T15:24:10.000",
          "goodsSn" : "G57279",
          "spec" : "1*1",
          "goodsGalleryImgs" : null,
          "latestSalePrice" : 7.5,
          "latestProcPrice" : null,
          "mchGoodsId" : 189651,
          "barcode" : "6925787410481",
          "goodsName" : "OY-623电源充电器",
          "mchNo" : "8181224167928",
          "brandCode" : null,
          "custNo" : "50000617415",
          "isDelete" : "1",
          "isAll" : "",
          "version" : 57,
          "addType" : "01",
          "catCode" : "70398",
          "unit" : "个",
          "createTime" : "2018-08-17T15:24:10.000",
          "goodsIntro" : "OY-623电源充电器",
          "parentCatCode" : "70383",
          "sortOrder" : 1,
          "goodsThumb" : null,
          "isMarket" : "1"
        },
        "highlight" : {
          "goodsName" : [
            "OY-623<em>电</em>源充<em>电</em><em>器</em>"
          ]
        }
      },
      {
        "_index" : "zkgdsgoods",
        "_type" : "mchgoods",
        "_id" : "188063",
        "_score" : 17.098892,

 

java 版高亮：

 SearchResponse response = client.prepareSearch("zkgdsgoods")
	             .setTypes("mchgoods")
	.setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
	      .setQuery(QueryBuilders.matchQuery("goodsName","数码电器"))
	.addHighlightedField("goodsName")  
	               .setHighlighterPreTags("<font color='red'>")  
	               .setHighlighterPostTags("</font>")
	               .setSize(2)
	                .get();
	        
	        SearchHits hits = response.getHits();
	        System.out.println("总量"+hits.getTotalHits());