java后端发送请求并获取响应

	            URL wsUrl = new URL(url);
	            HttpURLConnection conn = (HttpURLConnection) wsUrl.openConnection();
	            conn.setDoInput(true);
	            conn.setDoOutput(true);
	            conn.setRequestMethod("POST");
	            conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
//	            conn.setRequestProperty("Authorization", " Bearer "+authTokenService.getSysAuthToken(request,response));
	            OutputStream os = conn.getOutputStream();
	            String json=JsonUtil.objectToJsonStr(map);
	            //logger.error("============="+JsonUtil.objectToJsonStr(map));
	            //转换为字节数组
	           // System.out.println("=============="+json);
	            //byte[] data = (json.toString()).getBytes();
	            os.write((json.toString()).getBytes("UTF-8"));
	            logger.error("============="+json);

                int code = conn.getResponseCode();
                System.out.println(conn.getResponseMessage());
                System.out.println(code+"------------------------------------");
                if (code == 200) {
                    InputStream is = conn.getInputStream();
                    String jsonResult = getResponseString(is);
                    JSONObject jsonre=JSONObject.fromObject(jsonResult);

                    logger.error("============="+jsonResult);
                    String handleResult = jsonre.getString("handleResult");}