es根据id获取文章

nngkxxdp/src/main/java/com/example/nngkxxdp/elk/ElkController.java

@@ -3,9 +3,17 @@ package com.example.nngkxxdp.elk;
 import java.io.IOException;
 import java.util.*;
 
+import cn.hutool.http.HttpRequest;
+import cn.hutool.http.HttpUtil;
 import com.example.nngkxxdp.dao.ElkDao;
+import org.apache.http.HttpHost;
+import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
+import org.elasticsearch.action.admin.indices.create.CreateIndexResponse;
+import org.elasticsearch.action.get.GetRequest;
+import org.elasticsearch.action.get.GetResponse;
 import org.elasticsearch.action.search.SearchRequest;
 import org.elasticsearch.action.search.SearchRequestBuilder;
+import org.elasticsearch.client.RestClient;
 import org.elasticsearch.search.aggregations.bucket.terms.Terms;
 import org.elasticsearch.search.aggregations.bucket.terms.Terms.Bucket;
 import org.elasticsearch.action.search.SearchResponse;
@@ -245,7 +253,6 @@ public class ElkController {
 
     /**
      * 搜索热门文章
-     *
      * @param page
      * @param limit
      * @return
@@ -289,6 +296,23 @@ public class ElkController {
     }
 
     /**
+     * 根据id获取文章
+     * @return
+     * @throws IOException
+     */
+    @GetMapping("getarticle")
+    public Map<String, Object> getarticle(Integer id) throws IOException{
+        RestHighLevelClient client = new RestHighLevelClient(RestClient.builder(new HttpHost("localhost", 9200, "http")));
+        //1.创建请求对象
+        GetRequest request = new GetRequest().index("elk_article").id(String.valueOf(id));
+        //2.客户端发送请求，获取响应对象
+        GetResponse response = client.get(request, RequestOptions.DEFAULT);
+        //3.打印结果信息
+        System.out.println("_id:" + response.getId());
+        return null;
+    }
+
+    /**
      * 获取所有部门
      *
      * @return