mask/src/test/java/com/sw/EsDocTests.java

package com.sw;

import com.alibaba.fastjson.JSON;
import com.sw.domain.SysTest;
import com.sw.domain.po.EsProduct;
import com.sw.util.ParseHtml;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.delete.DeleteRequest;
import org.elasticsearch.action.get.GetRequest;
import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchRequestBuilder;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.update.UpdateRequest;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.client.core.CountRequest;
import org.elasticsearch.common.document.DocumentField;
import org.elasticsearch.common.text.Text;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.core.TimeValue;
import org.elasticsearch.index.query.*;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightField;
import org.elasticsearch.search.sort.SortBuilder;
import org.elasticsearch.search.sort.SortBuilders;
import org.elasticsearch.search.sort.SortOrder;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author yegang
 * @create 2022-03-09 14:21
 **/
@SpringBootTest
@RunWith(SpringJUnit4ClassRunner.class)
public class EsDocTests {
    @Autowired
    private ElasticsearchRestTemplate elasticsearchRestTemplate;
    @Autowired
    @Qualifier("restHighLevelClient")
    private RestHighLevelClient client;

    /**
     * 添加文档
     * @throws IOException
     */
    @Test
    public  void putTest() throws IOException {
        //创建数据对象
        EsProduct esProduct = new EsProduct(1,"水浒传","https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimgservice.suning.cn%2Fuimg1%2Fb2c%2Fimage%2Fxqvo6GQUdf3Qi65VvhzkrQ.png_800w_800h_4e&refer=http%3A%2F%2Fimgservice.suning.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1649469488&t=95064a70d6145bbf6f1615b1806709ad","99.8",100);
        IndexRequest indexRequest = new IndexRequest("yg");
        //设置请求规则，设置请求id
        indexRequest.id("1");
        //设置请求规则，设置请求超时时间
        indexRequest.timeout(TimeValue.timeValueSeconds(1));
        indexRequest.timeout("1s");
        //请求绑定数据 以json格式
        indexRequest.source(JSON.toJSONString(esProduct), XContentType.JSON);
        //执行请求
        IndexResponse index = client.index(indexRequest, RequestOptions.DEFAULT);
        System.out.println(index.toString());
        System.out.println(index.status());
    }

    @Test
    /**
     * 批量添加
     */
    public  void putbatchTest() throws IOException {
        //创建数据对象
        List<EsProduct> list = ParseHtml.parse("java");
        BulkRequest bulkRequest = new BulkRequest();
        bulkRequest.timeout("2m");
        for(EsProduct esProduct :list){
            bulkRequest.add(new IndexRequest("jd_list").source(JSON.toJSONString(esProduct), XContentType.JSON));
        }
      client.bulk(bulkRequest,RequestOptions.DEFAULT);
    }
    /**
     * 获取文档
     */
    @Test
    public  void getTest() throws IOException {
        GetRequest getRequest = new GetRequest("yg","1");
        boolean exists = client.exists(getRequest, RequestOptions.DEFAULT);
        if(exists){
            GetResponse documentFields = client.get(getRequest, RequestOptions.DEFAULT);
            Map<String, Object> source = documentFields.getSource();
            System.out.println(source);
        }
    }

    /**
     * 更新文档
     */
    @Test
    public  void updateTest() throws IOException {
        EsProduct esProduct = new EsProduct(1,"水浒传","https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimgservice.suning.cn%2Fuimg1%2Fb2c%2Fimage%2Fxqvo6GQUdf3Qi65VvhzkrQ.png_800w_800h_4e&refer=http%3A%2F%2Fimgservice.suning.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1649469488&t=95064a70d6145bbf6f1615b1806709ad","100.8",100);
        UpdateRequest updateRequest = new UpdateRequest("yg","1");
        updateRequest.timeout("2s");
        updateRequest.doc(JSON.toJSONString(esProduct),XContentType.JSON);
        client.update(updateRequest,RequestOptions.DEFAULT);
    }

    /**
     * 更新文档
     */
    @Test
    public  void delTest() throws IOException {
        EsProduct esProduct = new EsProduct(1,"水浒传","https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimgservice.suning.cn%2Fuimg1%2Fb2c%2Fimage%2Fxqvo6GQUdf3Qi65VvhzkrQ.png_800w_800h_4e&refer=http%3A%2F%2Fimgservice.suning.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1649469488&t=95064a70d6145bbf6f1615b1806709ad","100.8",200);
        DeleteRequest deleteRequest = new DeleteRequest("yg","1");
        deleteRequest.timeout("2s");
        client.delete(deleteRequest,RequestOptions.DEFAULT);
    }

    /**
     * 查询
     */
    @Test
    public void searchTest() throws IOException {
        SearchRequest searchRequest = new SearchRequest("jd_list");
        SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
        QueryBuilder queryBuilder = QueryBuilders.termQuery("name","JavaScript高级程序设计 第4版(图灵出品） web前端开发教程，JS'红宝书'升级，入门+实战，涵盖ECMAScript，2019，提供教学视频+配套编程环境，可直接在线运行随书代码");
        searchSourceBuilder.query(queryBuilder);
        searchSourceBuilder.timeout(new TimeValue(60, TimeUnit.SECONDS));
        searchSourceBuilder.from(1);
        SearchResponse search = client.search(searchRequest, RequestOptions.DEFAULT);
        SearchHits hits = search.getHits();
        System.out.println(JSON.toJSONString(hits));


    }
    /**
     * 查询
     */
    @Test
    public void searchTest2() throws IOException {
        SearchRequest searchRequest = new SearchRequest("jd_list");
        SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
        String[] includes  =new String[4];
        includes[0]="name";
        includes[1]="price";
        includes[2]="url";
        includes[3]="num";
        searchSourceBuilder.fetchSource(includes, null);//过滤为null数据
        searchSourceBuilder.sort("num",SortOrder.DESC);
        //模糊查询
        QueryBuilder queryBuilder = QueryBuilders.termQuery("name","java");
        searchSourceBuilder.query(queryBuilder);
        //设置高亮
        HighlightBuilder highlightBuilder = new HighlightBuilder();
        highlightBuilder.field("name");
        highlightBuilder.postTags("</span>");
        highlightBuilder.preTags("<span style='color:red'>");
        highlightBuilder.requireFieldMatch(false);
        searchSourceBuilder.highlighter(highlightBuilder);
        //设置超时
        searchSourceBuilder.timeout(new TimeValue(60, TimeUnit.SECONDS));
        //设置起始位置
        searchSourceBuilder.from(1);
        //设置页大小
        searchSourceBuilder.size(30);
        //绑定build
        searchRequest.source(searchSourceBuilder);
        //执行搜索
        SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
        //遍历hits
        for (SearchHit hit : searchResponse.getHits().getHits()) {
            Map<String, Object> sourceAsMap = hit.getSourceAsMap();
            //获取高亮字段
            Map<String, HighlightField> highlightFields = hit.getHighlightFields();
            //获取name字段的高亮信息
            HighlightField highlightField = highlightFields.get("name");

            if(highlightField !=null){
                Text[] fragments = highlightField.getFragments();
                String n_name ="";
                for (Text fragment : fragments) {
                    n_name+=fragment;
                }
                //置换
                sourceAsMap.put("name",n_name);
            }
            System.out.println(sourceAsMap);
        }

    }
    /**
     * 查询
     */
    @Test
    public void searchTest3() throws IOException {
        SearchRequest searchRequest = new SearchRequest("jd_list");
        SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();

        searchSourceBuilder.sort("num",SortOrder.DESC);
        //模糊查询
        BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();

        boolQueryBuilder.must(QueryBuilders.matchQuery("name","java"));
        boolQueryBuilder.must(QueryBuilders.rangeQuery("price").gt("100").lt("200"));
        searchSourceBuilder.query(boolQueryBuilder);
        //设置超时
        searchSourceBuilder.timeout(new TimeValue(60, TimeUnit.SECONDS));
        //设置起始位置
        searchSourceBuilder.from(10);
        //设置页大小
        searchSourceBuilder.size(10);
        //绑定build
        searchRequest.source(searchSourceBuilder);
        //执行搜索
        SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
        System.out.println(searchResponse.getHits().getTotalHits());
        //遍历hits
        for (SearchHit hit : searchResponse.getHits().getHits()) {
            Map<String, Object> sourceAsMap = hit.getSourceAsMap();
            System.out.println(sourceAsMap);
        }

    }
}