RestTemplate restTemplate = new RestTemplate();
        String json = restTemplate.getForObject("http://192.168.245.129:9200/hw/emp/_search?pretty",String.class);
        ObjectMapper mapper = new ObjectMapper();
        JsonNode root = mapper.readTree(json);
        JsonNode arrayNode=root.get("hits").get("hits");
        Iterator<JsonNode> it=arrayNode.elements();
        while(it.hasNext()){
            JsonNode itemNode=it.next();
            JsonNode nameNode=itemNode.get("_source").get("name");
            System.out.println(nameNode.asText());
cindy
douglas

【源码下载】

https://files.cnblogs.com/files/heyang78/ObjectMapper_JsonNode_Resttemplate_220301.zip?t=1646142327