elasticsearch 中文分词（elasticsearch-analysis-ik）

古城微笑少年丶 2023-06-29 12:00 144阅读 0赞

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### elasticsearch 中文分词（elasticsearch-analysis-ik） ###

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**默认中文分词：将中文分割成单独的字**

**示例**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 1][]

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**elasticsearch-analysis-ik**

**官网地址：[elasticsearch-analysis-ik][]**

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**安装elasticsearch-analysis-ik**

**创建容器**

docker run -it --net fixed --ip 172.18.0.33 -p 9201:9200 -p 9301:9300  \
    -e ES_JAVA_OPTS="-Xms512m -Xmx512m"  \
    -v /usr/elasticsearch/single/conf/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \
    --name es-single2 elasticsearch:7.5.1

**进入容器安装elasticsearch-analysis-ik，重启后生效**

./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.5.1/elasticsearch-analysis-ik-7.5.1.zip

**elasticsearch-plugin相关命令**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 2][]

**查看安装的插件**

![20200114104954649.png][]

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**测试 analysis-ik**

**ik\_max\_word：将文本做最细粒度的拆分，适合term query**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 3][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 4][]

**ik\_smart：会将文本做最粗粒度的拆分，适合phrase query，常使用该分词方式**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 5][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 6][]

## ##

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**添加本地词库：词库修改后需重启生效**

**词典配置文件位置：****/usr/share/elasticsearch/****config/analysis-ik/IKAnalyzer.cfg.xml**

在目录：**/usr/share/elasticsearch/config/analysis-ik**新增**hot.dic**

厉害了
    厉害了我的国
    厉害了，我的国

**修改配置文件后，重启elasticsearch**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 7][]

**测试分词**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 8][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 9][]

## ##

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**添加远程词库：词库修改后只要重启远程应用，elasticsearch不需要重启就会自动加载最新词库**

**未添加远程词库分词测试**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 10][]

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**添加远程词库相关操作**

**创建应用，使用docker创建容器**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 11][]

**配置文件添加远程词库**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 12][]

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**测试远程词库分词**

**撒浪嘿**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 13][]

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**动态添加远程词库，之后重启远程应用：撒浪嘿撒浪嘿**

**未添加前**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 14][]

**添加后，重启远程应用**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzkzMTYyNQ_size_16_color_FFFFFF_t_70 15][]

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[elasticsearch-analysis-ik]: https://github.com/medcl/elasticsearch-analysis-ik/releases
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[20200114104954649.png]: https://img-blog.csdnimg.cn/20200114104954649.png
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