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@@ -0,0 +1,485 @@
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+package com.ruoyi.framework.config;
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+
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+import cn.hutool.core.util.StrUtil;
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+import com.ruoyi.framework.config.properties.ElasticSearchConfig;
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+import lombok.extern.slf4j.Slf4j;
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+import org.apache.http.HttpHost;
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+import org.elasticsearch.action.ActionListener;
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+import org.elasticsearch.action.DocWriteRequest;
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+import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
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+import org.elasticsearch.action.bulk.BulkRequest;
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+import org.elasticsearch.action.bulk.BulkResponse;
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+import org.elasticsearch.action.delete.DeleteRequest;
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+import org.elasticsearch.action.delete.DeleteResponse;
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+import org.elasticsearch.action.get.GetRequest;
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+import org.elasticsearch.action.get.GetResponse;
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+import org.elasticsearch.action.index.IndexRequest;
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+import org.elasticsearch.action.index.IndexResponse;
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+import org.elasticsearch.action.search.SearchRequest;
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+import org.elasticsearch.action.search.SearchResponse;
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+import org.elasticsearch.action.support.WriteRequest;
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+import org.elasticsearch.action.support.master.AcknowledgedResponse;
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+import org.elasticsearch.action.update.UpdateRequest;
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+import org.elasticsearch.action.update.UpdateResponse;
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+import org.elasticsearch.client.RequestOptions;
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+import org.elasticsearch.client.RestClient;
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+import org.elasticsearch.client.RestHighLevelClient;
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+import org.elasticsearch.client.indices.CreateIndexRequest;
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+import org.elasticsearch.client.indices.CreateIndexResponse;
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+import org.elasticsearch.client.indices.GetIndexRequest;
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+import org.elasticsearch.common.Strings;
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+import org.elasticsearch.common.settings.Settings;
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+import org.elasticsearch.common.unit.DistanceUnit;
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+import org.elasticsearch.common.xcontent.XContentBuilder;
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+import org.elasticsearch.common.xcontent.XContentFactory;
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+import org.elasticsearch.common.xcontent.XContentType;
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+import org.elasticsearch.core.TimeValue;
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+import org.elasticsearch.index.query.BoolQueryBuilder;
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+import org.elasticsearch.index.query.GeoDistanceQueryBuilder;
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+import org.elasticsearch.index.query.MultiMatchQueryBuilder;
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+import org.elasticsearch.index.query.QueryBuilders;
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+import org.elasticsearch.search.SearchHit;
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+import org.elasticsearch.search.SearchHits;
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+import org.elasticsearch.search.builder.SearchSourceBuilder;
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+import org.elasticsearch.search.fetch.subphase.FetchSourceContext;
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+import org.elasticsearch.search.sort.FieldSortBuilder;
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+import org.elasticsearch.search.sort.SortOrder;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.context.annotation.Bean;
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+import org.springframework.stereotype.Component;
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+import org.springframework.util.CollectionUtils;
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+
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+import javax.annotation.PostConstruct;
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+import java.io.IOException;
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+import java.util.ArrayList;
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+import java.util.HashMap;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.concurrent.TimeUnit;
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+
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+/**
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+ * ES客户端
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+ */
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+@Component
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+@Slf4j
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+public class ElasticSearchClient {
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+
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+ @Autowired
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+ ElasticSearchConfig elasticSearchConfig;
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+
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+ public static RestHighLevelClient client;
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+
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+ /**
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+ * 设置创建索引的相关参数
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+ */
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+ @PostConstruct
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+ public void init() {
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+ try {
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+ if (client != null) {
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+ client.close();
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+ }
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+ //创建
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+ HttpHost httpHost = new HttpHost(elasticSearchConfig.getIp(),
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+ elasticSearchConfig.getPort(), elasticSearchConfig.getType());
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+ client = new RestHighLevelClient(RestClient.builder(httpHost));
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ /**
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+ * 如果注释以下代码，默认访问127.0.0.1:9200 或者添加下面代码，访问的是yml文件配置的IP，端口，类型
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+ *
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+ * @return
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+ */
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+ @Bean
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+ public RestHighLevelClient client() {
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+ return new RestHighLevelClient(RestClient.builder(new HttpHost(elasticSearchConfig.getIp(),
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+ elasticSearchConfig.getPort(), elasticSearchConfig.getType())));
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+ }
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+
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+ /**
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+ * 创建索引
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+ *
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+ * @param index
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+ * @return
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+ */
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+ public boolean createIndex(String index) throws IOException {
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+ if (isIndexExist(index)) {
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+ log.error("Index is exits!");
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+ return false;
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+ }
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+ //1.创建索引请求
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+ CreateIndexRequest request = new CreateIndexRequest(index);
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+ //2.执行客户端请求
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+ CreateIndexResponse response = client.indices()
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+ .create(request, RequestOptions.DEFAULT);
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+ return response.isAcknowledged();
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+ }
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+
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+ /**
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+ * 删除索引
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+ *
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+ * @param index
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+ * @return
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+ */
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+ public boolean deleteIndex(String index) throws IOException {
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+ if (!isIndexExist(index)) {
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+ log.error("Index is not exits!");
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+ return false;
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+ }
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+ DeleteIndexRequest request = new DeleteIndexRequest(index);
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+ AcknowledgedResponse delete = client.indices()
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+ .delete(request, RequestOptions.DEFAULT);
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+ return delete.isAcknowledged();
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+ }
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+
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+ /**
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+ * 新增单条文档数据
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+ *
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+ * @param indexName 索引名称
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+ * @param id
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+ * @throws Exception
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+ */
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+ public void createDocument(String indexName, String id, Map<String, Object> paramMap) throws Exception {
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+ // 指定单条文档数据，最终会转化成Json格式
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+ XContentBuilder builder = XContentFactory.jsonBuilder();
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+ builder.startObject();
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+ {
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+ if (!CollectionUtils.isEmpty(paramMap)) {
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+ paramMap.forEach((key, value) -> {
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+ try {
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+ builder.field(key, value);
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+ } catch (IOException ignored) {
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+ }
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+ });
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+ }
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+ }
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+ builder.endObject();
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+ // 创建新增文档数据的请求
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+ IndexRequest indexRequest = new IndexRequest(indexName).id(id).source(builder);
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+ // 手动指定路由的key，文档查询时可提高性能
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+ indexRequest.routing("route_" + indexName);
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+ // 等待主分片保存的超时时长
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+ indexRequest.timeout(TimeValue.timeValueSeconds(elasticSearchConfig.getMasterShardTimeOut()));
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+ // 刷新策略，WAIT_UNTIL设置则表示刷新使此请求的内容对搜索可见为止
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+ indexRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.WAIT_UNTIL);
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+ // 操作类型为新增
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+ indexRequest.opType(DocWriteRequest.OpType.CREATE);
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+
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+ // 异步执行新增文档数据请求
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+ client.indexAsync(indexRequest, RequestOptions.DEFAULT, new ActionListener<IndexResponse>() {
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+ @Override
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+ public void onResponse(IndexResponse indexResponse) {
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+ log.info("新增单条文档数据，结果：{}", indexResponse.toString());
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+ }
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+
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+ @Override
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+ public void onFailure(Exception e) {
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+ e.printStackTrace();
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+ }
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+ });
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+ }
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+
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+
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+ /**
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+ * 更新文档内容
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+ *
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+ * @param indexName 索引名称
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+ * @param id
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+ */
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+ public void updateDocument(String indexName, String id, Map<String, Object> paramMap) {
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+
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+ // 创建更新文档请求并设置参数
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+ UpdateRequest updateRequest = new UpdateRequest(indexName, id);
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+ updateRequest.doc(paramMap);
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+ // 主分片执行更新的超时时长
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+ updateRequest.timeout(TimeValue.timeValueSeconds(elasticSearchConfig.getMasterShardTimeOut()));
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+ // 刷新策略
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+ updateRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.WAIT_UNTIL);
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+ // 重试更新操作多少次
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+ updateRequest.retryOnConflict(3);
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+
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+ // 异步执行更新文档的请求
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+ client.updateAsync(updateRequest, RequestOptions.DEFAULT, new ActionListener<UpdateResponse>() {
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+ @Override
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+ public void onResponse(UpdateResponse updateResponse) {
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+ log.info("更新文档内容,结果：{}", updateResponse.toString());
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+ }
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+
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+ @Override
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+ public void onFailure(Exception e) {
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+ e.printStackTrace();
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+ }
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+ });
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+ }
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+
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+ /**
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+ * 删除文档数据
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+ *
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+ * @param indexName 索引名称
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+ * @param id
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+ * @throws Exception
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+ */
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+ public void deleteDocument(String indexName, String id) throws Exception {
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+ DeleteRequest deleteRequest = new DeleteRequest(indexName, id);
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+ // 主分片执行删除的超时时长
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+ deleteRequest.timeout(TimeValue.timeValueMinutes(2));
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+ // 刷新策略
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+ deleteRequest.setRefreshPolicy(WriteRequest.RefreshPolicy.WAIT_UNTIL);
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+ // 异步执行删除
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+ client.deleteAsync(deleteRequest, RequestOptions.DEFAULT, new ActionListener<DeleteResponse>() {
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+ @Override
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+ public void onResponse(DeleteResponse deleteResponse) {
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+ log.info("删除成功:" + deleteResponse.toString());
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+ }
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+
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+ @Override
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+ public void onFailure(Exception e) {
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+ log.info("删除失败:" + e.getMessage());
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+ }
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+ });
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+ }
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+
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+
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+ /**
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+ * 文档数据批量插入
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+ *
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+ * @param mapList 行数据
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+ * @param indexName 索引
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+ * @param idName 主键名称
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+ * @return
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+ * @throws Exception
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+ */
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+ public void importDocument(List<Map<String, Object>> mapList, String indexName, String idName) {
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+ IndexRequest indexRequest;
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+ BulkRequest bulkRequest = new BulkRequest();
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+ try {
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+ for (Map<String, Object> mp : mapList) {
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+ indexRequest = new IndexRequest(indexName).id(mp.get(idName).toString()).source(mp);
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+ bulkRequest.add(indexRequest);
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+ }
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+ BulkResponse bulkResponse = client.bulk(bulkRequest, RequestOptions.DEFAULT);
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+ log.info("批量插入结果：{}", bulkResponse.toString());
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+ } catch (Exception ex) {
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+ ex.printStackTrace();
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+ }
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+ }
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+
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+ /**
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+ * 根据经纬度查询范围查找location 经纬度字段，distance 距离中心范围KM，lat lon 圆心经纬度
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+ *
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+ * @param index
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+ * @param longitude
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+ * @param latitude
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+ * @param distance
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+ * @return
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+ */
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+ public List<Map<String, Object>> geoDistanceQuery(String index, Float longitude, Float latitude, String distance) throws IOException {
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+ if (longitude == null || latitude == null) {
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+ return null;
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+ }
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+ //拼接条件
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+ BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
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+// QueryBuilder isdeleteBuilder = QueryBuilders.termQuery("isdelete", false);
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+ // 以某点为中心，搜索指定范围
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+ GeoDistanceQueryBuilder distanceQueryBuilder = new GeoDistanceQueryBuilder("location");
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+ distanceQueryBuilder.point(latitude, longitude);
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+ //查询单位：km
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+ distanceQueryBuilder.distance(distance, DistanceUnit.KILOMETERS);
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+ boolQueryBuilder.filter(distanceQueryBuilder);
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+// boolQueryBuilder.must(isdeleteBuilder);
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+
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+ SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
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+ searchSourceBuilder.query(boolQueryBuilder);
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+
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+ SearchRequest searchRequest = new SearchRequest(index);
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+ searchRequest.source(searchSourceBuilder);
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+
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+ SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
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+ // 返回结果
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+ SearchHits searchHitArray = searchResponse.getHits();
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+ List<Map<String, Object>> mapList = new ArrayList<>();
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+ for (SearchHit searchHit : searchHitArray.getHits()) {
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+ Map<String, Object> sourceAsMap = searchHit.getSourceAsMap();
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+ mapList.add(sourceAsMap);
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+ }
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+ return mapList;
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+ }
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+
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+ /**
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+ * 通过id查询数据
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+ *
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+ * @param indexName
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+ * @param id
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+ * @param fields 需要显示的字段，逗号分隔（缺省为全部字段）
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+ * @return
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+ */
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+ public Map<String, Object> getDocById(String indexName, String id, String fields) {
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+ Map<String, Object> getDocByIdMap = new HashMap<>();
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+ GetRequest getRequest = new GetRequest(indexName, id);
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+ if (StrUtil.isNotBlank(fields)) {
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+ //只查询特定字段。如果需要查询所有字段则不设置该项。
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+ getRequest.fetchSourceContext(new FetchSourceContext(true, fields.split(","), Strings.EMPTY_ARRAY));
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+ }
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+ GetResponse getResponse;
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+ try {
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+ getResponse = client.get(getRequest, RequestOptions.DEFAULT);
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+ if (getResponse.isExists()) {
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+ getDocByIdMap.put("msg", "操作成功！");
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+ getDocByIdMap.put("data", getResponse.getSource());
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+ getDocByIdMap.put("code", 200);
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+ } else {
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+ getDocByIdMap.put("msg", "数据不存在");
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+ getDocByIdMap.put("code", -1);
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+ getDocByIdMap.put("data", null);
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+ }
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+ return getDocByIdMap;
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ return null;
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+ }
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+
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+ /**
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+ * 检索、分页
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+ *
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+ * @param indexName 索引名称
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+ * @param mpParams 查询参数
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+ * @param from 起始页
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+ * @param size 每页数量
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+ * @param fields 返回列
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+ * @param preciseQuery 1:精确查询 2:模糊查询
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+ * @return
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+ */
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+ public List<Map<String, Object>> searchDocument(String indexName, Map<String, Object> mpParams,
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+ int from, int size, String fields, String sorts, Integer preciseQuery) {
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+ SearchRequest searchRequest = new SearchRequest(indexName);
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+ // 大多数搜索参数添加到searchSourceBuilder
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+ SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
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+ List<Map<String, Object>> mapList = new ArrayList<>();
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+ try {
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+ // 组合字段查询
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+ BoolQueryBuilder boolQueryBuilder = this.getBoolQueryBuilder(mpParams, preciseQuery);
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+ searchSourceBuilder.query(boolQueryBuilder);
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+ // 自定义返回列
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+ if (StrUtil.isNotBlank(fields)) {
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+ searchSourceBuilder.fetchSource(new FetchSourceContext(true, fields.split(","), Strings.EMPTY_ARRAY));
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+ }
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+ // 排序
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+ if (StrUtil.isNotBlank(sorts)) {
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+ searchSourceBuilder.sort(sorts + ".keyword", SortOrder.DESC);
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+ }
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+ // 分页
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+ searchSourceBuilder.from(from);
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+ searchSourceBuilder.size(size);
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+ // 允许搜索的超时时长,10s
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+ searchSourceBuilder.timeout(new TimeValue(elasticSearchConfig.getSearchTimeOut(), TimeUnit.SECONDS));
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+ searchRequest.source(searchSourceBuilder);
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+ SearchResponse searchResponse = client.search(searchRequest, RequestOptions.DEFAULT);
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+ // 返回结果
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+ SearchHits searchHitArray = searchResponse.getHits();
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+ for (SearchHit searchHit : searchHitArray.getHits()) {
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+ Map<String, Object> sourceAsMap = searchHit.getSourceAsMap();
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+ mapList.add(sourceAsMap);
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+ }
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+ return mapList;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 组合字段查询条件
|
|
|
+ *
|
|
|
+ * @param mpParams
|
|
|
+ * @param preciseQuery 1:精确查询 2:模糊查询 3.匹配多个字段的模糊查询（使用IK中文分词器）
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public BoolQueryBuilder getBoolQueryBuilder(Map<String, Object> mpParams, Integer preciseQuery) {
|
|
|
+ BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
|
|
|
+ try {
|
|
|
+ if (null != mpParams.get("search") && null != mpParams.get("fields")) {
|
|
|
+ if (mpParams.get("fields") instanceof List) {
|
|
|
+ String[] fields = (String[]) ((List) mpParams.get("fields")).
|
|
|
+ toArray(new String[((List) mpParams.get("fields")).size()]);
|
|
|
+ MultiMatchQueryBuilder multiMatchQueryBuilder = QueryBuilders.multiMatchQuery(mpParams.get("search"), fields);
|
|
|
+ boolQueryBuilder = boolQueryBuilder.must(multiMatchQueryBuilder);
|
|
|
+ }
|
|
|
+ }
|
|
|
+// if (mpParams != null) {
|
|
|
+//
|
|
|
+// if (preciseQuery != null && preciseQuery == 1) {
|
|
|
+// for (Map.Entry<String, Object> entry : mpParams.entrySet()) {
|
|
|
+// // 精确匹配
|
|
|
+// TermQueryBuilder termQueryBuilder = QueryBuilders.termQuery(entry.getKey() + ".keyword", entry.getValue());
|
|
|
+// boolQueryBuilder = boolQueryBuilder.must(termQueryBuilder);
|
|
|
+// }
|
|
|
+//
|
|
|
+// }
|
|
|
+// } else if (preciseQuery != null && preciseQuery == 2) {
|
|
|
+// for (Map.Entry<String, Object> entry : mpParams.entrySet()) {
|
|
|
+// // 模糊匹配
|
|
|
+// MatchQueryBuilder matchQueryBuilder = QueryBuilders.matchQuery(entry.getKey(), entry.getValue());
|
|
|
+// boolQueryBuilder = boolQueryBuilder.must(matchQueryBuilder);
|
|
|
+// }
|
|
|
+//
|
|
|
+// } else if (preciseQuery != null && preciseQuery == 3) {
|
|
|
+// //多词模糊匹配
|
|
|
+//// List<Object> values = ((MultiValueMap) mpParams).get("fields");
|
|
|
+//
|
|
|
+// /* for (String value : values) {
|
|
|
+//
|
|
|
+// log.info(key + ": " + value);
|
|
|
+//
|
|
|
+// }*/
|
|
|
+// ((MultiValueMap) mpParams).entrySet().forEach(entry -> {
|
|
|
+//
|
|
|
+// MultiMatchQueryBuilder multiMatchQueryBuilder = QueryBuilders.multiMatchQuery("新品", entry.).minimumShouldMatch("50%");
|
|
|
+// boolQueryBuilder = boolQueryBuilder.must(multiMatchQueryBuilder);
|
|
|
+// });
|
|
|
+//
|
|
|
+// }
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ }
|
|
|
+ return boolQueryBuilder;
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 索引创建前，判断索引是否存在
|
|
|
+ */
|
|
|
+ public static Boolean isIndexExist(String checkIndex) {
|
|
|
+ Boolean flag = false;
|
|
|
+ try {
|
|
|
+ GetIndexRequest getIndexRequest = new GetIndexRequest(checkIndex);
|
|
|
+ getIndexRequest.local(false);
|
|
|
+ getIndexRequest.humanReadable(true);
|
|
|
+ getIndexRequest.includeDefaults(false);
|
|
|
+ flag = client.indices().exists(getIndexRequest, RequestOptions.DEFAULT);
|
|
|
+
|
|
|
+ } catch (Exception e) {
|
|
|
+ e.printStackTrace();
|
|
|
+ }
|
|
|
+ return flag;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 通过ID判断文档是否存在
|
|
|
+ *
|
|
|
+ * @param index 索引，类似数据库
|
|
|
+ * @param id 数据ID
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public boolean existsById(String index, String id) throws IOException {
|
|
|
+ GetRequest request = new GetRequest(index, id);
|
|
|
+ //不获取返回的_source的上下文
|
|
|
+ request.fetchSourceContext(new FetchSourceContext(false));
|
|
|
+ request.storedFields("_none_");
|
|
|
+ return client.exists(request, RequestOptions.DEFAULT);
|
|
|
+ }
|
|
|
+
|
|
|
+
|
|
|
+}
|
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