1. 什麼是IK分詞器

2. 下載IK分詞器

下載地址，版本要和ES的版本對應上

https://github.com/medcl/elasticsearch-analysis-ik/releases/tag/v7.3.1

注意下載zip版本

下載完畢後，放入到我們的elasticsearch/plus/ik外掛目錄裡即可

3. 重啟觀察ES，可以看到IK分詞器被載入了！
   

4. elasticsearch-plugin可以通過這個命令檢視載入進來的外掛
   

docker下載的安裝的檢視方法

root@haima-PC:/usr/local/docker/efk/docker_compose_efk# docker ps -a
CONTAINER ID        IMAGE                                                 COMMAND                  CREATED             STATUS                      PORTS                                                          NAMES
c43439e99ff0        docker_compose_efk_fluentd                            "/bin/entrypoint.sh …"   29 seconds ago      Up 27 seconds               5140/tcp, 0.0.0.0:24224->24224/tcp, 0.0.0.0:24224->24224/udp   docker_compose_efk_fluentd_1
00eda4c1585d        docker_compose_efk_kibana                             "/usr/local/bin/dumb…"   29 seconds ago      Up 26 seconds               0.0.0.0:5601->5601/tcp                                         docker_compose_efk_kibana_1
6e2e42f9e3ca        docker.elastic.co/elasticsearch/elasticsearch:7.3.1   "/usr/local/bin/dock…"   31 seconds ago      Up 29 seconds               0.0.0.0:9200->9200/tcp, 9300/tcp                               docker_compose_efk_elasticsearch_1
root@haima-PC:/usr/local/docker/efk/docker_compose_efk# docker exec -it docker_compose_efk_elasticsearch_1 bash ./bin/elasticsearch-plugin list
ik