elasticsearch计算词频

发表于

安装环境：
elasticsearch-7.0
analysis_ik

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GET /sale_comment/_search
{
    "size": 0,
    "aggs":{
        "content":{
            "terms":{
                "size":1000,
                "field":"content",
                "include":"[\u4E00-\u9FA5]{2,6}",
                "exclude":"的.*|很.*|不.*|了.*|也.*|買.*|好.*|錯.*"
            }
        }
    }
}
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"aggregations": {
     "content": {
        "doc_count_error_upper_bound": 0,
        "sum_other_doc_count": 205350,
        "buckets": [
           {
              "key": "舒服",
              "doc_count": 6051
           },
           {
              "key": "非常",
              "doc_count": 5583
           },
           {
              "key": "效果",
              "doc_count": 5289
           },
           {
              "key": "真的",
              "doc_count": 3404
           },
           {
              "key": "到了",
              "doc_count": 3383
           }
        ]
     }
  }