網上找了很多，我的es是2.3.5版本，網上的客戶端最少都是5.x版本，所以沒有能用的。自己整合了一下 2.3.5版本的。

pom文件：

org.elasticsearch

elasticsearch

2.3.5

com.alibaba

fastjson

1.1.35

org.apache.commons

commons-io

1.3.2

org.apache.commons

commons-lang3

3.1

代碼：

package com.topcom.tjs.create.elaticsearch;

import org.apache.commons.lang3.StringUtils;

import org.elasticsearch.action.bulk.BulkRequestBuilder;

import org.elasticsearch.action.bulk.BulkResponse;

import org.elasticsearch.action.index.IndexRequest;

import org.elasticsearch.action.search.SearchRequestBuilder;

import org.elasticsearch.action.search.SearchResponse;

import org.elasticsearch.bootstrap.Elasticsearch;

import org.elasticsearch.client.transport.TransportClient;

import org.elasticsearch.common.settings.Settings;

import org.elasticsearch.common.transport.InetSocketTransportAddress;

import org.elasticsearch.common.unit.TimeValue;

import org.elasticsearch.index.query.QueryBuilders;

import org.elasticsearch.search.SearchHit;

import java.io.*;

import java.net.InetAddress;

import java.net.InetSocketAddress;

/**

* @author rstyro

*/

public class ElasticSearch {

public static void main(String[] args) throws Exception {

String clustName = "tc-es";

String indexName = "yuqing_0006_6";

String clusttIp = "192.168.1.14";

int clustPort = 20069;

String filePath = "I:\\data\\data\\esdata.json";

String typeName = "article";

//outToFile(clustName, indexName, typeName, clusttIp, clustPort, filePath);

fileToEs(clustName, indexName, typeName, clusttIp, clustPort, filePath);

}

/**

* elasticsearch 數據到文件

*

* @param clustName 集群名稱

* @param indexName 索引名稱

* @param typeName type名稱

* @param sourceIp ip

* @param sourcePort transport 服務端口

* @param filePath 生成的文件路徑

*/

public static void outToFile(String clustName, String indexName, String typeName, String sourceIp, int sourcePort, String filePath) throws Exception {

TransportClient client = createClient(clustName, sourceIp, sourcePort);

SearchRequestBuilder builder = client.prepareSearch(indexName);

if (typeName != null) {

builder.setTypes(typeName);

}

builder.setQuery(QueryBuilders.matchAllQuery()).setQuery(QueryBuilders.matchQuery("type","NEWS"));

builder.setSize(10000);

builder.setScroll(new TimeValue(6000));

SearchResponse scrollResp = builder.execute().actionGet();

try {

//把導出的結果以JSON的格式寫到文件里

BufferedWriter out = new BufferedWriter(new FileWriter(filePath, true));

long count = 0;

while (true) { //循環插入，直到所有結束

for (SearchHit hit : scrollResp.getHits().getHits()) {

String json = hit.getSourceAsString();

if (StringUtils.isNotEmpty(json) && !"".equals(json)) {

out.write(json);

out.write("\r\n");

count++;

System.out.println("*******************"+count);

}

}

scrollResp = client.prepareSearchScroll(scrollResp.getScrollId())

.setScroll(new TimeValue(6000)).execute().actionGet();

if (scrollResp.getHits().getHits().length == 0) {

break;

}

}

System.out.println("總共寫入數據:" + count);

out.close();

client.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* 把json 格式的文件導入到elasticsearch 服務器

*

* @param clustName 集群名稱

* @param indexName 索引名稱

* @param typeName type 名稱

* @param sourceIp ip

* @param sourcePort 端口

* @param filePath json格式的文件路徑

*/

@SuppressWarnings("deprecation")

public static void fileToEs(String clustName, String indexName, String typeName, String sourceIp, int sourcePort, String filePath) throws Exception {

TransportClient client = createClient(clustName, sourceIp, sourcePort);

try {

//把導出的結果以JSON的格式寫到文件里

BufferedReader br = new BufferedReader(new FileReader(filePath));

String json = null;

int count = 0;

//開啟批量插入

BulkRequestBuilder bulkRequest = client.prepareBulk();

while ((json = br.readLine()) != null) {

bulkRequest.add(client.prepareIndex(indexName, typeName).setSource(json));

//每一千條提交一次

count++;

if (count % 1000 == 0) {

System.out.println("本次提交了1000條");

BulkResponse bulkResponse = bulkRequest.execute().actionGet();

if (bulkResponse.hasFailures()) {

System.out.println("message:" + bulkResponse.buildFailureMessage());

}

//重新創建一個bulk

bulkRequest = client.prepareBulk();

}

}

bulkRequest.execute().actionGet();

System.out.println("總提交了：" + count);

br.close();

client.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* 建立連接

* @param cluster

* @param ip

* @param port

* @return

* @throws Exception

*/

private static TransportClient createClient(String cluster, String ip, Integer port) throws Exception {

TransportClient client = null;

if (client == null) {

synchronized (Elasticsearch.class) {

Settings settings = Settings.settingsBuilder().put("cluster.name", cluster).build();

client = TransportClient.builder().settings(settings).build().addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName(ip),

port));

}

}

return client;

}

}

總結

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