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Use elasticSearch+ik word segmenter for full-text search in PHP environmentUse elasticSearch+ik word segmenter for full-text search in PHP environment
The first thing to note is that if you need to enable the ik word segmenter, the version of the word segmenter must be consistent with the es version, that is, the 6.3.0 word segmenter needs the same 6.3.0 version of es support.
Install java
Win-64bit installation package needs to be found on the java English official website
Install elasticSearch (ES)
6.3.0 version es download address:
https://www.elastic.co/downloads/past-releases/elasticsearch-6-3-0
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Install IK
In the win environment, enter the bin command line and then execute
elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.3.0/elasticsearch-analysis-ik-6.3.0.zip
Then restart es. In addition, es does not have a hot restart function. If you want to restart after the daemon is started, you can only kill the process first and then start es
Install the php client
composer require elasticsearch/elasticsearch
Configure ik remote dictionary
Change the response configuration in IKAnalyzer.cfg.xml
<!--用户可以在这里配置远程扩展字典 --> <entry key="remote_ext_dict">http://xxx.com/getDic.php</entry> <!--用户可以在这里配置远程扩展停止词字典--> <entry key="remote_ext_stopwords">http://xxx.com/getDicStop.php</entry>
If something like "java.security.AccessControlException: access denied (java.net. SocketPermission 127.0.0.1:8080 connect,resolve)" error, the solution is to find the %JAVA_HOME%/jre6/lib/security/java.policy file and add permission java.net.SocketPermission "127.0.0.1:8080","connect "; Then restart es
About ik remote dictionary
The words in the extended dictionary will be filtered out, and the words in the extended stop words will be filtered out;
That is, if you want certain words to be treated as one word, such as various popular words, add them to the extended dictionary;
If you want to filter out certain words, add them Added to extended stop words.
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