Springboot http请求

    @Override
    @Async()
    public String httpFormData(String path, HashMap<String, String> formMap) {
        String result = "";
        HttpURLConnection connection = null;
        String boundary = "--------------------------132183525382215881770481";
        try {
            URL url = new URL(cvbsHost+path);
            connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setRequestProperty("Connection", "Keep-Alive");
            // 不使用缓存
            connection.setUseCaches(false);
            StringBuffer formSB = new StringBuffer();
            if (formMap != null) {
                if (formMap.size() > 0) {
                    for (Map.Entry<String, String> entry : formMap.entrySet()) {
                        String inputName = entry.getKey();
                        String inputValue = entry.getValue();
                        formSB.append("\r\n").append("--").append(boundary).append("\r\n");
                        formSB.append("Content-Disposition: form-data; name=\"" + inputName + "\"\r\n\r\n");
                        formSB.append(inputValue);
                    }
                    formSB.append("\r\n").append("--").append(boundary).append("--");
                }
            }
            connection.connect();
            PrintWriter out = new PrintWriter(new OutputStreamWriter(connection.getOutputStream(), "UTF-8"));
            out.print(formSB.toString());
            out.flush();
            //获得响应状态
            int resultCode = connection.getResponseCode();
            if (HttpURLConnection.HTTP_OK == resultCode) {
                formSB = new StringBuffer();
                String readLine;
                BufferedReader responseReader = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
                while ((readLine = responseReader.readLine()) != null) {
                    formSB.append(readLine).append("\n");
                }
                responseReader.close();
                result = formSB.toString();
            } else {
                result = "{\"code\":\"" + resultCode + "\"}";
            }
            out.close();
        } catch (Exception e) {
            logger.info("[ ~~serviceMpt4uAndmccmForm~~            fail~~ ]{}", e.toString());

            return "{\"code\":500,\"result\":\"" + "POST表单请求 " + path + " 时出现异常\"}";
        } finally {
            connection.disconnect();
        }
        logger.info("[ ~~serviceMpt4uAndmccmForm~~            fail~~ ]{}", result);

        return result;
    }

  @Override
    public String httpFormUrlencoded(String path,String objectName) {
        String result;
        HttpURLConnection connection = null;
        try {
            URL url = new URL(cvbsHost+path);
            connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setRequestProperty("Connection", "Keep-Alive");
            // 不使用缓存
            connection.setUseCaches(false);
            connection.connect();
            PrintWriter out = new PrintWriter(new OutputStreamWriter(connection.getOutputStream(), StandardCharsets.UTF_8));
            out.print(objectName);
            out.flush();

            int resultCode = connection.getResponseCode();
            if (HttpURLConnection.HTTP_OK == resultCode) {
                StringBuffer stringBuffer = new StringBuffer();
                String readLine;
                BufferedReader responseReader = new BufferedReader(new InputStreamReader(connection.getInputStream(), StandardCharsets.UTF_8));
                while ((readLine = responseReader.readLine()) != null) {
                    stringBuffer.append(readLine).append("\n");
                }
                responseReader.close();
                result = stringBuffer.toString();
            } else {
                result = "{\"code\":\"" + resultCode + "\"}";
            }
            out.close();
        } catch (Exception e) {
            logger.error(e.toString());
            return "{\"code\":500,\"result\":\"x-www-form-urlencoded请求 " + cvbsHost+"/QuerySubsInfoReq" + " 时出现异常\"}";
        } finally {
            if (connection != null) {
                connection.disconnect();
            }
        }
        return result;
    }