ES批量提交-RestHighLevelClient

引包：

            <dependency>
                <groupId>org.elasticsearch.client</groupId>
                <artifactId>elasticsearch-rest-high-level-client</artifactId>
                <version>6.8.13</version>
            </dependency>

批量提交： 

import org.apache.commons.lang3.RandomStringUtils;
import org.apache.http.HttpHost;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestClientBuilder;
import org.elasticsearch.client.RestHighLevelClient;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Test {
    
    private static RestHighLevelClient restClient;

    public static void main(String[] args) {

        RestClientBuilder builder = RestClient.builder(
//                new HttpHost("21.145.229.153",9200,"http"),
//                new HttpHost("21.145.229.253",9200,"http"),
                new HttpHost("192.168.0.1", 9200, "http"));
//        CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
//        credentialsProvider .setCredentials(AuthScope.ANY,new UsernamePasswordCredentials("elastic","1qaz!QAZ"));
//        builder.setHttpClientConfigCallback(f->f.setDefaultCredentialsProvider(credentialsProvider ));
        restClient = new RestHighLevelClient(builder);

        /**
         * 造点假数据
         */
        List<Map<String, Object>> list = new ArrayList<>();
        for (int i = 0; i < 100; i++) {
            Map<String, Object> map = new HashMap<>();
            map.put("message", RandomStringUtils.randomAlphanumeric(28));
            map.put("user", RandomStringUtils.randomAlphanumeric(8));
            map.put("postDate", new Date());
            list.add(map);
        }
        /**
         * 批量从插入数据
         */
        BulkRequest request = new BulkRequest();
        for (int j = 0; j < list.size(); j++) {
            Map<String, Object> item = list.get(j);
            request.add(new IndexRequest("TestIndex", "TestType").source(item));
        }
        try {
            BulkResponse bulk = restClient.bulk(request, RequestOptions.DEFAULT);
            if (bulk.status().getStatus() == 200) {
                System.out.println("批量插入成功！");
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}