ElasticSearch学习 - （九）Elasticsearch自动补齐建议-completion suggester

最新推荐文章于 2024-12-04 21:31:49 发布

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最新推荐文章于 2024-12-04 21:31:49 发布

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分类专栏： ElasticSearch 文章标签： elasticsearch 自动补齐 completion

本文链接：https://blog.youkuaiyun.com/qq_28988969/article/details/79611097

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本文介绍如何在Elasticsearch中设置自定义拼音分析器，并实现对商品名称的精确拼音匹配搜索功能，包括创建索引、映射及执行建议搜索等步骤。

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创建index

-put http://localhost:9200/demo

{
    "settings": {
        "analysis": {
            "analyzer": {
                "ik_pinyin_analyzer": {
                    "type": "custom",
                    "tokenizer": "ik_max_word",
                    "filter": ["my_pinyin"]
                }
            },
            "filter": {
                "my_pinyin": {
                    "type": "pinyin",
                    "keep_first_letter": true,
                    "keep_full_pinyin": true,
                    "keep_joined_full_pinyin": true,
                    "keep_none_chinese": true,
                    "keep_none_chinese_together": true,
                    "keep_none_chinese_in_first_letter": true,
                    "keep_none_chinese_in_joined_full_pinyin": true,
                    "none_chinese_pinyin_tokenize": true,
                    "keep_original": true,
                    "lowercase": true,
                    "trim_whitespace": true
                }
            }
        }
    }
}

创建mapping

-post http://localhost:9200/demo/goods/_mapping

{
  "properties": {
    "goodsName": {
      "type": "text",
      "analyzer": "ik_pinyin_analyzer"
    },
    "goodsSearch": {
      "type": "completion",
      "analyzer": "ik_pinyin_analyzer"
    }
  }
}

搜索

-post http://localhost:9200/demo/goods/_search

{
    "suggest": {
        "my-suggestion": {
            "text": "男士",
            "completion": {
                "analyzer": "ik_smart",
                "field": "goodsSearch"
            }
        }
    }
}