script_score(帖子--根据 销量和浏览人数进行相关度提升)

PUT product_test/_bulk
{"index":{"_id":1}}
{"name":"A","sales":10,"visitors":10}
{"index":{"_id":2}}
{"name":"B","sales":20,"visitors":20}
{"index":{"_id":3}}
{"name":"C","sales":30,"visitors":30}

POST product_test/_search
{
  "query": {
    "function_score": {
      "query": {
        "match_all": {}
      },
      "script_score": {
        "script": {
          "source": "_score * (doc['sales'].value+doc['visitors'].value)"
        }
      }
    }
  }
}