elasticsearch中文分词插件IK使用
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ES支持中文的前提是安装正确的分词组件,比如elasticsearch-analysis-ik。
版本支持如下:
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安装
# git clone https://github.com/medcl/elasticsearch-analysis-ik.git --depth 1 # cd elasticsearch-analysis-ik/ # mvn package # unzip ./target/releases/elasticsearch-analysis-ik-1.2.9.zipOR
# git clone https://github.com/medcl/elasticsearch-analysis-ik # cd elasticsearch-analysis-ik # mvn compile # mvn package # plugin --install analysis-ik --url file:///#{project_path}/elasticsearch-analysis-ik/target/releases/elasticsearch-analysis-ik-1.3.0.zipzip解压得到5个jar包:
- []- elasticsearch-analysis-ik-1.2.9.jar[/][]- httpclient-4.3.5.jar[/][]- httpcore-4.3.2.jar[/][]- commons-logging-1.1.3.jar[/][]- commons-codec-1.6.jar[/]
index:
analysis:
analyzer:
ik:
alias: [news_analyzer_ik,ik_analyzer]
type: org.elasticsearch.index.analysis.IkAnalyzerProvider
index.analysis.analyzer.default.type : "ik"
OR[b]index.analysis.analyzer.ik.type : "ik"[/b]注意配置分词组件必须在创建索引之前,否则是无效的。
1.create a indexExample
# curl -XPUT http://localhost:9200/index2.create a mapping
# curl -XPUT http://localhost:9200/index create a mapping curl -XPOST http://localhost:9200/index/fulltext/_mapping -d' { "fulltext": { "_all": { "indexAnalyzer": "ik", "searchAnalyzer": "ik", "term_vector": "no", "store": "false" }, "properties": { "content": { "type": "string", "store": "no", "term_vector": "with_positions_offsets", "indexAnalyzer": "ik", "searchAnalyzer": "ik", "include_in_all": "true", "boost": 8 } } } }'3.index some docs
# curl -XPOST http://localhost:9200/index/fulltext/1 -d' {"content":"美国留给伊拉克的是个烂摊子吗"} '
# curl -XPOST http://localhost:9200/index/fulltext/2 -d' {"content":"公安部:各地校车将享最高路权"} '
# curl -XPOST http://localhost:9200/index/fulltext/3 -d' {"content":"中韩渔警冲突调查:韩警平均每天扣1艘中国渔船"} '
# curl -XPOST http://localhost:9200/index/fulltext/4 -d' {"content":"中国驻洛杉矶领事馆遭亚裔男子枪击 嫌犯已自首"} '4.query with highlighting
# curl -XPOST http://localhost:9200/index/fulltext/_search -d' { "query" : { "term" : { "content" : "中国" }}, "highlight" : { "pre_tags" : ["Result", " ", ""], "fields" : { "content" : {} } } } '"], "post_tags" : ["
{ "took": 14, "timed_out": false, "_shards": { "total": 5, "successful": 5, "failed": 0 }, "hits": { "total": 2, "max_score": 2, "hits": [ { "_index": "index", "_type": "fulltext", "_id": "4", "_score": 2, "_source": { "content": "中国驻洛杉矶领事馆遭亚裔男子枪击 嫌犯已自首" }, "highlight": { "content": [ "中国 驻洛杉矶领事馆遭亚裔男子枪击 嫌犯已自首 " ] } }, { "_index": "index", "_type": "fulltext", "_id": "3", "_score": 2, "_source": { "content": "中韩渔警冲突调查:韩警平均每天扣1艘中国渔船" }, "highlight": { "content": [ "均每天扣1艘中国 渔船 " ] } } ] } }