示例：

JSONObject requestParams = new JSONObject();
requestParams.put("母亲姓名", mothername);
                requestParams.put("母亲联系电话", mothertelephone);
                requestParams.put("母亲证件号码", motheridcard);
                requestParams.put("父亲姓名", fathername);
                requestParams.put("父亲联系电话", fathertelephone);
                requestParams.put("父亲证件号码", fatheridcard);
                requestParams.put("家庭住址", house);
                requestParams.put("预产期", childbirthdate);
                requestParams.put("分娩医院", hospital);
                requestParams.put("交费方式", jffs);
                requestParams.put("优惠金额", youhui);
                requestParams.put("应交", yingjiao);
                requestParams.put("实交金额", shijiao);
                requestParams.put("样本类型", yangbentype);
          //  }

                //json对象转换成字符串方便传参
                String paramsvalue = requestParams.toString();
                //测试
                // this.getView().showTipNotification("当前选中的是" + paramsvalue);
                //接口post请求
                CloseableHttpClient httpClient = HttpClients.createDefault();
                //header
                HttpPost httpPost = new HttpPost(ContractConstants.getCREATEBYTEMPLATE());
                httpPost.setHeader("Content-Type", "application/json;charset=utf-8");
                httpPost.setHeader("x-qys-accesstoken", ContractConstants.getAPPTOKEN());
            Date now = new Date();
            long timestamp = DateUtils.dateToTimeStamp(now);
                httpPost.setHeader("x-qys-timestamp", timestamp+"");
                httpPost.setHeader("x-qys-signature", ContractConstants.getSignature(timestamp));
                //body
                MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
                entityBuilder.addTextBody("templateid", templateid);
                entityBuilder.addTextBody("params", paramsvalue);
                entityBuilder.addTextBody("title", TITLE);

                HttpEntity entity = entityBuilder.build();
                httpPost.setEntity(entity);

                try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
                    // Handle response here
                    System.out.println("Response code: " + response.getStatusLine().getStatusCode());
                } catch (IOException d) {
                    d.printStackTrace();
                }