elasticsearch highlight高亮查询

高亮查询highlight

预制数据

PUT zhifou/doc/4
{ 
  "name":"石头",
  "age":29,
  "from":"gu",
  "desc":"粗中有细，狐假虎威",
  "tags":["粗", "大","猛"]
}

默认的高亮

"highlight" : {
          "name" : [
            "<em>石</em><em>头</em>"
          ]
        }
GET zhifou/doc/_search
{ 
  "query": { 
    "match": { 
      "name": "石头"
    }
  },
  "highlight": { 
    "fields": { 
      "name": { }
    }
  }
}
------> 返回
{ 
  "took" : 3,
  "timed_out" : false,
  "_shards" : { 
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : { 
    "total" : { 
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 0.5753642,
    "hits" : [
      { 
        "_index" : "zhifou",
        "_type" : "doc",
        "_id" : "4",
        "_score" : 0.5753642,
        "_source" : { 
          "name" : "石头",
          "age" : 29,
          "from" : "gu",
          "desc" : "粗中有细，狐假虎威",
          "tags" : [
            "粗",
            "大",
            "猛"
          ]
        },
        "highlight" : { 
          "name" : [
            "<em>石</em><em>头</em>"
          ]
        }
      }
    ]
  }
}

自定义高亮

"highlight": { 
    "pre_tags": "<b class='key' style='color:red'>", // 标签前半段
    "post_tags": "</b>", //标签后半段
    "fields": { 
      "from": { } // 高亮数据字段
    }
GET zhifou/doc/_search
{ 
  "query": { 
    "match": { 
      "from": "gu"
    }
  },
  "highlight": { 
    "pre_tags": "<b class='key' style='color:red'>",
    "post_tags": "</b>",
    "fields": { 
      "from": { }
    }
  }
}
------> 返回
{ 
  "took" : 2,
  "timed_out" : false,
  "_shards" : { 
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : { 
    "total" : { 
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 0.2876821,
    "hits" : [
      { 
        "_index" : "zhifou",
        "_type" : "doc",
        "_id" : "4",
        "_score" : 0.2876821,
        "_source" : { 
          "name" : "石头",
          "age" : 29,
          "from" : "gu",
          "desc" : "粗中有细，狐假虎威",
          "tags" : [
            "粗",
            "大",
            "猛"
          ]
        },
        "highlight" : { 
          "from" : [
            "<b class='key' style='color:red'>gu</b>"
          ]
        }
      }
    ]
  }
}