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; 
}