主要引用xml为：
  
    <dependency>
        <groupId>org.elasticsearch.client</groupId>
        <artifactId>transport</artifactId>
        <version>6.4.3</version>
    </dependency>

    方式1 

      GetResponse response = this.client.prepareGet("book","novel",id).get();

    XContentBuilder xContentBuilder = XContentFactory.jsonBuilder().startObject()
                    .field("name",name).field("country" ,country).field("age",age).field("date","2019-09-03" )
                    .endObject();
            IndexResponse  response = this.client.prepareIndex("book","novel").setSource(xContentBuilder).get();  

   DeleteResponse deleteRequestBuilder = this.client.prepareDelete("book","novel",id).get();

  UpdateRequest update =  new UpdateRequest("book","novel",id);
  XContentBuilder builder = XContentFactory.jsonBuilder().startObject();
  if (name != null) {
      builder.field("name",name);
  }
  builder.endObject();
  update.doc(builder);
  UpdateResponse response=  this.client.update(update).get(); 

     @PostMapping("/book/novel/query")
     @ResponseBody
     public  ResponseEntity query(@RequestParam(value = "name",required = false)String name ,
                                  @RequestParam(value = "age",required = false) Integer age,
                                  @RequestParam(value = "lgt" ,required =  false) String lgt ){
         BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
         if (name!= null ){
            // boolQueryBuilder.must(QueryBuilders.matchQuery("name",name));
          //   boolQueryBuilder.must(QueryBuilders.matchAllQuery());
             boolQueryBuilder.must(QueryBuilders.multiMatchQuery(name,"name","country"));
         }
            RangeQueryBuilder rangeQueryBuilder =QueryBuilders.rangeQuery("age").format("0");
         if(lgt!= null){
             rangeQueryBuilder.to(lgt);
         }
         boolQueryBuilder.filter(rangeQueryBuilder);
         SearchRequestBuilder builder=  this.client.prepareSearch("book")
                 .setTypes("novel").setSearchType(SearchType.DEFAULT)
                 .setQuery(boolQueryBuilder).setFrom(0).setSize(10);
         log.info("build"+builder);
 
         SearchResponse response = builder.get();
         List<Map<String,Object>> res= new ArrayList<>();
         for(SearchHit hit :response.getHits()){
             res.add(hit.getSourceAsMap());
         }
 
         StringBuffer sb = new StringBuffer();
         sb.append("")
 
             .append("");
         UserBook userBook = new UserBook() ;
         userBook.toString();
         return new ResponseEntity(res,HttpStatus.OK);
     }

https://blog.csdn.net/prestigeding/article/details/83188043