• 自定义分词器
  put ip:9200/mytest

{
    "settings": {
        "analysis": {
            "analyzer": {
                "nik": {
                    "tokenizer": "ik_smart",
                    "filter": "n_length"
                }
            },
            "filter": {
                "n_length": {
                    "min": 2,
                    "max": 4,
                    "type": "length"
                }
            }
        }
    }
}