private String sendPost(Map<String,Object> data, String url) {

        CloseableHttpClient httpClient = HttpClientBuilder.create().build();

        StringBuffer sb = new StringBuffer();

        HttpPost httpPost = new HttpPost(url);

        List<NameValuePair> valuePairs = new ArrayList<>();

        if(null != data) {

            for (String key : data.keySet()) {

                if(data.get(key) != null){

                    valuePairs.add(new BasicNameValuePair(key, data.get(key)

                            .toString()));

                }

            }

        }

        try {

            httpPost.setEntity(new UrlEncodedFormEntity(valuePairs));

            HttpResponse response = httpClient.execute(httpPost);

            HttpEntity httpEntity = response.getEntity();

            BufferedInputStream bis = new BufferedInputStream(httpEntity.getContent());

            byte [] buffer;

            while (0<bis.read(buffer=new byte[128])){

                sb.append(new String(buffer,"utf-8"));

            }

        }catch (UnsupportedEncodingException e){//数据格式有误

            e.printStackTrace();

        }catch (IOException e){//请求出错

            e.printStackTrace();

        }finally {

            httpPost.releaseConnection();

        }

        return sb.toString();

    }

    public String sendGet(String url) {

        CloseableHttpClient httpClient = HttpClientBuilder.create().build();

        StringBuffer sb = new StringBuffer();

        HttpGet httpGet = new HttpGet(url);

        try {

            HttpResponse response = httpClient.execute(httpGet);

            HttpEntity entity = response.getEntity();

            InputStreamReader reader = new InputStreamReader(entity.getContent(), "utf-8");

            char[] charbufer;

            while (0 < reader.read(charbufer = new char[10])) {

                sb.append(charbufer);

            }

        } catch (IOException e) {//

            e.printStackTrace();

        } finally {

            httpGet.releaseConnection();

        }

        return sb.toString();

    }