1.创建连接: SearchRequest request = new SearchRequest(GlobalConstant.INDEX_NAME_NEW); SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder(); request.source(searchSourceBuilder); RestHighLevelClient client = null; try { client = getNewClient(); SearchResponse search = client.search(request, RequestOptions.DEFAULT); Aggregations aggregations = search.getAggregations(); Terms byCompanyAggregation2 = aggregations.get("by_code"); public static volatile String CLUSTER_NODES_NEW; public...