elasticsearch拼音分词器
2024-01-09 18:31:36
PUT /yx
{
"settings": {
"analysis": {
"analyzer": {
"my_analyzer":{
"tokenizer":"ik_max_word",
"filter":"py"
},
"completion_analyzer":{
"tokenizer":"keyword",
"filter":"py"
}
},
"filter": {
"py": {
"type":"pinyin",
"keep_full_pinyin":false,
"keep_joined_full_pinyin":true,
"keep_original":true,
"limit_first_letter_length":16,
"remove_duplicated_term":true,
"none_chinese_pinyin_tokenize":false
}
}
}
},
"mappings": {
"messaged":{
"properties": {
"uuid": {
"type": "keyword"
},
"username": {
"type": "completion",
"analyzer": "completion_analyzer"
},
"messaged": {
"type": "completion",
"analyzer": "completion_analyzer"
},
"tabled": {
"type": "completion",
"analyzer": "completion_analyzer"
},
"datetime": {
"type": "date"
},
"state": {
"type": "text",
"analyzer": "my_analyzer",
"search_analyzer": "ik_smart"
}
}
}
}
}
然后加入一条数据后,就可以开始查询了
package com;
import com.example.demo.pojo.Messaged;
import com.google.gson.Gson;
import org.apache.http.HttpHost;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestClientBuilder;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.aggregations.Aggregations;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightField;
import org.elasticsearch.search.suggest.Suggest;
import org.elasticsearch.search.suggest.SuggestBuilder;
import org.elasticsearch.search.suggest.SuggestBuilders;
import org.elasticsearch.search.suggest.completion.CompletionSuggestion;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import java.io.IOException;
import java.util.Map;
import java.util.TreeSet;
@SpringBootTest
public class ElasticsearchTests {
private RestHighLevelClient restHighLevelClient1;
// JSON?具
private Gson gson = new Gson();
/** 初始化客户端 */
@Before
public void init() {
RestClientBuilder restClientBuilder = RestClient.builder(
new HttpHost("139.196.166.21", 9200, "http")
);
restHighLevelClient1 = new RestHighLevelClient(restClientBuilder);
}
/** 关闭客户端 */
@After
public void close() throws IOException {
// 关闭客户端
restHighLevelClient1.close();
}
/** 删除?档 */
@Test
public void delete() throws IOException {
// 1.创建request
SearchRequest request = new SearchRequest("yx");
SuggestBuilder suggestBuilder = new SuggestBuilder();
suggestBuilder.addSuggestion("messaged", SuggestBuilders.completionSuggestion("messaged")
.prefix("s")
//跳过
.skipDuplicates(true)
.size(10));
// 2.准备DSL参数
request.source().suggest(suggestBuilder);
// 3.发送请求
SearchResponse response = restHighLevelClient1.search(request, RequestOptions.DEFAULT);
// 4.解析响应
Suggest suggest = response.getSuggest();
TreeSet<String> treeSet = new TreeSet<String>();
CompletionSuggestion suggestion1 = suggest.getSuggestion("messaged1");
for (CompletionSuggestion.Entry.Option option : suggestion1.getOptions()) {
String string = option.getText().toString();
System.out.println(string);
SearchHit hit = option.getHit();
String sourceAsString = hit.getSourceAsString();
System.out.println(sourceAsString);
}
}
}
?
文章来源:https://blog.csdn.net/weixin_62907807/article/details/135426641
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本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。 如若内容造成侵权/违法违规/事实不符,请联系我的编程经验分享网邮箱:veading@qq.com进行投诉反馈,一经查实,立即删除!