拼音分词扩展elasticsearch-analysis-pinyin安装

1、打开找到对应的版本
https://github.com/medcl/elasticsearch-analysis-pinyin/releases

2、复制下载链接安装

例如：
我的elasticsearch是5.6.16

./bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-pinyin/releases/download/v5.6.16/elasticsearch-analysis-pinyin-5.6.16.zip

3、重启ES！

4、分词测试

GET _analyze
{
  "text": "学习",
  "analyzer": "pinyin"
}

分词结果

{
  "tokens": [
    {
      "token": "xue",
      "start_offset": 0,
      "end_offset": 1,
      "type": "word",
      "position": 0
    },
    {
      "token": "xi",
      "start_offset": 1,
      "end_offset": 2,
      "type": "word",
      "position": 1
    },
    {
      "token": "xx",
      "start_offset": 0,
      "end_offset": 2,
      "type": "word",
      "position": 1
    }
  ]
}

自定义参数

参数	默认值	说明
keep_first_letter	true	刘德华>ldh
keep_separate_first_letter	false	刘德华>l,d,h
limit_first_letter_length	16	set max length of the first_letter result
keep_full_pinyin	true	刘德华> [liu,de,hua]
keep_joined_full_pinyin	false	刘德华> [liudehua]
keep_none_chinese	true	keep non chinese letter or number in result
keep_none_chinese_together	true	true：DJ音乐家 -> DJ,yin,yue,jia； false：DJ音乐家 -> D,J,yin,yue,jia
keep_none_chinese_in_first_letter	true	刘德华AT2016->ldhat2016
keep_none_chinese_in_joined_full_pinyin	false	eg: 刘德华2016->liudehua2016
none_chinese_pinyin_tokenize	true	eg: liudehuaalibaba13zhuanghan -> liu,de,hua,a,li,ba,ba,13,zhuang,han
keep_original	false	-
lowercase	true	-
trim_whitespace	true	-
remove_duplicated_term	false	de的 > de
ignore_pinyin_offset	true	-