使用HttpsURLConnection发送POST请求

重写X509TrustManager

 private static TrustManager myX509TrustManager = new X509TrustManager() { 

     @Override
     public X509Certificate[] getAcceptedIssuers() {
         return null;
     } 

     @Override
     public void checkServerTrusted(X509Certificate[] chain, String authType)
     throws CertificateException {
     } 

     @Override
     public void checkClientTrusted(X509Certificate[] chain, String authType)
     throws CertificateException {
     }
 };

 static public String SendHttpsPOST(String url, List<NameValuePair> param, String data)
 {
         String result = null; 

         //使用此工具可以将键值对编码成"Key=Value&Key2=Value2&Key3=Value3”形式的请求参数
         String requestParam = URLEncodedUtils.format(param, "UTF-8");
         try {
             //设置SSLContext
             SSLContext sslcontext = SSLContext.getInstance("TLS");
             sslcontext.init(null, new TrustManager[]{myX509TrustManager}, null);

             //打开连接
         //要发送的POST请求url?Key=Value&Key2=Value2&Key3=Value3的形式
            URL requestUrl = new URL(url + "?" + requestParam);
            HttpsURLConnection httpsConn = (HttpsURLConnection)requestUrl.openConnection();

             //设置套接工厂
             httpsConn.setSSLSocketFactory(sslcontext.getSocketFactory());

             //加入数据
             httpsConn.setRequestMethod("POST");
             httpsConn.setDoOutput(true);
             DataOutputStream out = new DataOutputStream(
                     httpsConn.getOutputStream());
             if (data != null)
                 out.writeBytes(data); 

             out.flush();
             out.close();

             //获取输入流
             BufferedReader in = new BufferedReader(new InputStreamReader(httpsConn.getInputStream()));
             int code = httpsConn.getResponseCode();
             if (HttpsURLConnection.HTTP_OK == code){
                 String temp = in.readLine();
                 /*连接成一个字符串*/
                 while (temp != null) {
                     if (result != null)
                         result += temp;
                     else
                         result = temp;
                     temp = in.readLine();
                 }
             }
         } catch (KeyManagementException e) {
             e.printStackTrace();
         } catch (NoSuchAlgorithmException e) {
             e.printStackTrace();
         } catch (MalformedURLException e) {
             e.printStackTrace();
         } catch (ProtocolException e) {
             e.printStackTrace();
         } catch (IOException e) {
             e.printStackTrace();
         }

         return result;
 }