Elasticsearch

install es and plugins

elasticsearch-6.4.1 download
plugin:
analysis-smartcn (eg: ./bin/elasticsearch-plugin install analysis-smartcn)
ik

then start es: bin/elasticsearch

surfing

验证分词器是否生效

1
2
3
4
5
6
7
curl --request POST \
  --url http://localhost:9200/_analyze \
  --header 'Content-Type: application/json'  -d \
'{
    "analyzer": "pinyin",
    "text": "小明"
}'

hibernate-search-elasticsearch

code

config index and mapping

  1. 设置analyzer
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    curl --request PUT \
      --url http://localhost:9200/com.wework.entity.company -d \
    '{
        "index": {
            "analysis": {
            "analyzer": {
                "pinyin_analyzer": {
                    "tokenizer": "my_pinyin"
                }
            },
            "tokenizer": {
                "my_pinyin": {
                    "type": "pinyin",
                    "keep_separate_first_letter" : false,
                    "keep_full_pinyin" : true,
                    "keep_original" : true,
                    "limit_first_letter_length" : 16,
                    "lowercase" : true,
                    "remove_duplicated_term" : true
                    }
                }
            }
        }
    }'
  2. 设置mapping
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    curl --request PUT \
      --url http://localhost:9200/com.wework.entity.company/_mapping/com.wework.entity.Company -d \
    '{
        "properties": {
            "name": {
                "type": "text",
                "analyzer": "ik_smart",
                "fields": {
                    "pinyin": {
                        "type": "text",
                        "store": false,
                        "term_vector": "with_offsets",
                        "analyzer": "pinyin_analyzer",
                        "boost": 10
                    },
                    "keyword": {
                        "type": "keyword",
                        "ignore_above": 256
                    }
                }
            }
        }
    }'
  3. 查看mapping
    1
    2
    curl --request GET \
      --url http://localhost:9200/com.wework.entity.user/_mapping \
  4. 搜索
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    curl --request POST \
      --url 'http://localhost:9200/com.wework.entity.user/_search?pretty=' -d \
    '{
        "query": {
            "match": {
                "name.pinyin": "xiao明"
            }
        },
        "from": 0,
        "size": 10,
        "sort": ["_score"]
    }'