restTemplate http请求

import org.springframework.http.*;
import org.springframework.web.client.RestTemplate;
import com.alibaba.fastjson.JSONObject;

String url = url地址;
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        HttpEntity<List<对象>> request = new HttpEntity<>(params, headers);
        ResponseEntity<ResultEntity> entity = RestTemplate.postForEntity(url, request, ResultEntity.class);
        if (HttpStatus.OK.equals(entity.getStatusCode())) {
            ResultUtil body = entity.getBody();
            if (ResponseCode.SUCCESS.getCode().equals(body.getReturncode())) {
                //请求成功
                List<对象> commentResponses = JSONObject.parseArray(JSONObject.toJSONString(body.getResult()), CommentResponse.class);
                return commentResponses;
            } else {
                logger.error("调用接口报错:{}", JSONObject.toJSONString(body));
                throw new Exception("调用信息接口报错");
            }
        } else {
            throw new Exception("调用网络请求失败");
        }