HttpURLConnection 使用POST请求方式

        new Thread(new Runnable() {
            @Override
            public void run() {
                intView();
            }
        }).start();
    }

    private void intView() {
 try {
                        URL url = new URL(path);
                        try {
                            HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();  // 创建一个HTTP连接
                            urlConn.setRequestMethod("POST"); // 指定使用POST请求方式
                            urlConn.setDoInput(true); // 向连接中写入数据
                            urlConn.setDoOutput(true); // 从连接中读取数据
                            urlConn.setUseCaches(false); // 禁止缓存
                            urlConn.setInstanceFollowRedirects(true);    //自动执行HTTP重定向
                            urlConn.setRequestProperty("Content-Type",
                                    "application/x-www-form-urlencoded"); // 设置内容类型
                            DataOutputStream out = new DataOutputStream(
                                    urlConn.getOutputStream()); // 获取输出流
                            String key = Utils.getContentKey(contentss).replace("gradle/","");
                            String Etag = Utils.getContentEtag(contentss);
                            Long Size = Utils.getContentSize(contentss);
                            String data = "name="+key+"&Size="+Size+"&Etag="+Etag;
                            out.writeBytes(data);//将要传递的数据写入数据输出流
                            out.flush();    //输出缓存
                            out.close();    //关闭数据输出流
                            if (urlConn.getResponseCode() == HttpURLConnection.HTTP_OK) {  //判断是否响应成功
                                InputStreamReader in = new InputStreamReader(
                                        urlConn.getInputStream()); // 获得读取的内容
                                BufferedReader buffer = new BufferedReader(in); // 获取输入流对象
                                String inputLine = null;
                                String resul = null;
                                while ((inputLine = buffer.readLine()) != null) {  //通过循环逐行读取输入流中的内容
                                    resul += inputLine;
                                    System.out.println(resul);
                                }
                                in.close();    //关闭字符输入流
                            }
                            urlConn.disconnect();    //断开连接
                        } catch (MalformedURLException e) {
                            e.printStackTrace();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                    } catch (IOException e) {
                        e.printStackTrace();
                    }

}