ElasticSearch(七):Java操作elasticsearch基于smartcn中文分词查询

时间:2023-03-10 01:37:22
ElasticSearch(七):Java操作elasticsearch基于smartcn中文分词查询
 package com.gxy.ESChap01;

 import java.net.InetAddress;

 import org.elasticsearch.action.search.SearchRequestBuilder;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* 使用smartcn分词查询
* @author 郭祥跃
*
*/
public class ESQuerySmartcn {
private static String host="192.168.56.3"; // 服务器地址
private static int port=9300; // 端口 public static final String CLUSTER_NAME = "my-application"; //集群名称 private TransportClient client=null; private static final String ANALYZER="smartcn"; private static Settings settings= Settings.builder()
.put("cluster.name",CLUSTER_NAME)
.put("client.transport.sniff", true)
.build(); //获取客户端
@SuppressWarnings({ "resource", "unchecked" })
@Before
public void getClient() throws Exception {
try {
client = new PreBuiltTransportClient(settings)
.addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(host),port));
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} //关闭客户端
@After
public void close() {
if(client!=null) {
client.close();
}
}
/**
* 条件分词查询
*/
@Test
public void search() {
SearchRequestBuilder srb=client.prepareSearch("book").setTypes("kehuan");
SearchResponse sr=srb.setQuery(QueryBuilders.matchQuery("title", "三体").analyzer(ANALYZER))
.setFetchSource(new String[] {"title","price"},null)
.execute()
.actionGet();
SearchHits hits=sr.getHits();
for(SearchHit hit:hits){
System.out.println(hit.getSourceAsString());
}
}
/**
* 多字段条件分词查询
*/
@Test
public void search2() {
SearchRequestBuilder srb=client.prepareSearch("book").setTypes("kehuan");
SearchResponse sr=srb.setQuery(QueryBuilders.multiMatchQuery("美国宇宙红岸", "title","content")
.analyzer(ANALYZER))
.setFetchSource(new String[] {"title","price"},null)
.execute()
.actionGet();
SearchHits hits=sr.getHits();
for(SearchHit hit:hits){
System.out.println(hit.getSourceAsString());
}
}
}