SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();

            requestFactory.setConnectTimeout(4000);

            requestFactory.setReadTimeout(4000);

            RestTemplate restTemplate = new RestTemplate(requestFactory);

            ResultEntity resultStr = restTemplate.postForObject(url,JSON.toJSON(sendMap),ResultEntity.class);

            System.out.println("返回结果:"+resultStr.getCode());