SpringBoot【ElasticSearch集成 02】Java HTTP Rest client for ElasticSearch Jest 客户端集成（依赖+配置+增删改查测试源码）推荐使用

<!-- https://mvnrepository.com/artifact/io.searchbox/jest -->
<dependency>
  <groupId>io.searchbox</groupId>
  <artifactId>jest</artifactId>
  <version>6.3.1</version>
</dependency>

spring:
  elasticsearch:
    jest:
      uris: http://localhost:9200

// Construct a new Jest client according to configuration via factory
 JestClientFactory factory = new JestClientFactory();
 factory.setHttpClientConfig(new HttpClientConfig
                        .Builder("http://localhost:9200")
                        .multiThreaded(true)
      //Per default this implementation will create no more than 2 concurrent connections per given route
      .defaultMaxTotalConnectionPerRoute(<YOUR_DESIRED_LEVEL_OF_CONCURRENCY_PER_ROUTE>)
      // and no more 20 connections in total
      .maxTotalConnection(<YOUR_DESIRED_LEVEL_OF_CONCURRENCY_TOTAL>)
                        .build());
 JestClient client = factory.getObject();

@Autowired
    JestClient jestClient;

@SpringBootTest
class EsJestApplicationTests {
    @Autowired
    JestClient jestClient;
    @Test
    void createIndex() {
        // 创建对象
        User user = User.builder().id(1001).name("1号用户").age(22).build();
        // 创建索引
        Index index = new Index.Builder(user).index("user").type("name").build();
        // 执行创建方法
        try {
            jestClient.execute(index);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

@Test
    void queryIndex(){
        // 查询语句【可以在HiJson工具里编辑】
        String queryJson = "{\n" +
                "    \"query\": {\n" +
                "        \"match\": {\n" +
                "            \"name\": \"1号\"\n" +
                "        }\n" +
                "    }\n" +
                "}";
        // 创建查询
        Search search = new Search.Builder(queryJson).addIndex("user").addType("name").build();
        // 执行查询方法
        try {
            SearchResult result = jestClient.execute(search);
            System.out.println(result.toString());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Result: 
{"took":47,"timed_out":false,
"_shards":{"total":5,"successful":5,"skipped":0,"failed":0},
"hits":{"total":1,"max_score":0.5753642,
"hits":[
{"_index":"user","_type":"name","_id":"1001","_score":0.5753642,
"_source":{"id":1001,"name":"1号用户","age":22}
}]}}, 
isSucceeded: true, 
response code: 200, 
error message: null

@Test
    void updateIndex() {
        // 更新语句【可以在HiJson工具里编辑】
        String script = "{\n" +
                "    \"script\": {\n" +
                "        \"inline\": \"ctx._source.name += params.nameInfo\",\n" +
                "        \"params\": {\n" +
                "            \"new_nameInfo\": \"（懂事长）\"\n" +
                "        }\n" +
                "    }\n" +
                "}";
        // 创建更新
        Update update = new Update.Builder(script).index("user").type("name").id("1001").build();
        // 执行更新方法
        try {
            DocumentResult result = jestClient.execute(update);
            System.out.println(result.toString());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Result: {"_index":"user","_type":"name","_id":"1001","_version":3,"result":"updated",
"_shards":{"total":2,"successful":1,"failed":0},"_seq_no":2,"_primary_term":1}, 
isSucceeded: true, 
response code: 200, 
error message: null

@Test
    void deleteIndex() {
        // 创建删除
        Delete delete = new Delete.Builder("1001").index("user").type("name").build();
        // 执行删除方法
        try {
            DocumentResult result = jestClient.execute(delete);
            System.out.println(result);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

Result: {"_index":"user","_type":"name","_id":"1001","_version":4,"result":"deleted",
"_shards":{"total":2,"successful":1,"failed":0},"_seq_no":3,"_primary_term":1}, 
isSucceeded: true, 
response code: 200, 
error message: null