ElasticSearch Java Rest Client Examples
POST http://127.0.0.1:9200/news/_search?q=李克强 { "query" : { match_all:{} }, "highlight" : { "pre_tags" : ["<font color='red'>", "<b>", "<em>"], "post_tags" : ["</font>", "<b>", "</em>"], "fields" : [ {"title" : {}}, {"content" : { "fragment_size" : 350, "number_of_fragments" : 3, "no_match_size": 150 }} ] } } POST http://127.0.0.1:9200/news/_search?q=李克强 { "query" : { match_all:{} }, "highlight" : { "pre_tags" : ["<font color='red'><b><em>"], "post_tags" : ["</font><b></em>"], "fields" : [ {"title" : {}}, {"content" : { "fragment_size" : 350, "number_of_fragments" : 3, "no_match_size": 150 }} ] } } https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-delete-index.html
DELETE http://127.0.0.1:9200/news https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-create-index.html
PUT http://127.0.0.1:9200/news https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-put-mapping.html
PUT /{index}/_mapping/{type} PUT http://127.0.0.1:9200/news/_mapping/article { "article": { "properties": { "pubdate": { "type": "date", "format": "dateOptionalTime" }, "author": { "type": "string" }, "content": { "type": "string" }, "id": { "type": "long" }, "source": { "type": "string" }, "title": { "type": "string" }, "url": { "type": "string" } } } } https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-get-mapping.html
GET http://127.0.0.1:9200/_all/_mapping GET http://127.0.0.1:9200/_mapping GET http://127.0.0.1:9200/news/_mapping/article 输出:
{ "news": { "mappings": { "article": { "properties": { "author": { "type": "string" }, "content": { "type": "string" }, "id": { "type": "long" }, "pubdate": { "type": "date", "store": true, "format": "yyyy-MM-dd HH:mm:ss" }, "source": { "type": "string" }, "title": { "type": "string" }, "url": { "type": "string" } } } } } } https://www.elastic.co/guide/en/elasticsearch/reference/current/indices-delete-mapping.html
[DELETE] /{index}/{type} [DELETE] /{index}/{type}/_mapping [DELETE] /{index}/_mapping/{type} DELETE http://127.0.0.1:9200/news/_mapping/article http://127.0.0.1:9200/news/_analyze?analyzer=ansj_index&text=习近平
http://127.0.0.1:9200/news/_analyze?analyzer=ansj_index&text=我是中国人
- 普通查询
http://127.0.0.1:9200/news/_search?q=习近平&analyzer=ansj_index&size=50
- 指定term查询
http://127.0.0.1:9200/news/_search?q=content:江泽民&analyzer=ansj_index&size=50
http://127.0.0.1:9200/news/_search?q=title:江泽民&analyzer=ansj_index&size=50
http://127.0.0.1:9200/news/_search?q=source:新华网&analyzer=ansj_index&size=50
- 其中
ansj_index为在elasticsearch.yml文件中配置的ansj分词器
@echo off set DIR=%~dp0 set LIB="%DIR%\..\lib\*" set BIN="%DIR%\..\bin\*" REM ??? echo {^ "type" : "jdbc",^ "jdbc" : {^ "url" : "jdbc:mysql://localhost:3306/news",^ "user" : "root",^ "password" : "root",^ "schedule" : "0 0/15 * ? * *",^ "sql" : [^ {"statement":"SELECT title,content,url,source,author,pubdate FROM news"},^ {^ "statement":"SELECT title,content,url,source,author,pubdate FROM news where pubdate > ?",^ "parameter" : [ "$metrics.lastexecutionstart" ]^ }^ ],^ "autocommit" : true,^ "treat_binary_as_string" : true,^ "elasticsearch" : {^ "cluster" : "elasticsearch",^ "host" : "localhost",^ "port" : 9300^ },^ "index" : "news",^ "type" : "article"^ }^ }^ | "%JAVA_HOME%\bin\java" -cp "%LIB%" -Dlog4j.configurationFile="file://%DIR%\log4j2.xml" "org.xbib.tools.Runner" "org.xbib.tools.JDBCImporter"