private static final int CONNECTION_TIMEOUT = 10000;     public static String doHttpGet(String serverURL) throws Exception {
         HttpParams httpParameters = new BasicHttpParams();
         HttpConnectionParams.setConnectionTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpConnectionParams.setSoTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpClient hc = new DefaultHttpClient();
         HttpGet get = new HttpGet(serverURL);
         get.addHeader("Content-Type", "text/xml");
         get.setParams(httpParameters);
         HttpResponse response = null;
         try {
             response = hc.execute(get);
         } catch (UnknownHostException e) {
             throw new Exception("Unable to access " + e.getLocalizedMessage());
         } catch (SocketException e) {
             throw new Exception(e.getLocalizedMessage());
         }
         int sCode = response.getStatusLine().getStatusCode();
         if (sCode == HttpStatus.SC_OK) {
             return EntityUtils.toString(response.getEntity());
         } else
             throw new Exception("StatusCode is " + sCode);
     }     public static String doHttpsGet(String serverURL) throws Exception {
         HttpParams httpParameters = new BasicHttpParams();
         HttpConnectionParams.setConnectionTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpConnectionParams.setSoTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpClient hc = initHttpClient(httpParameters);
         HttpGet get = new HttpGet(serverURL);
         get.addHeader("Content-Type", "text/xml");
         get.setParams(httpParameters);
         HttpResponse response = null;
         try {
             response = hc.execute(get);
         } catch (UnknownHostException e) {
             throw new Exception("Unable to access " + e.getLocalizedMessage());
         } catch (SocketException e) {
             throw new Exception(e.getLocalizedMessage());
         }
         int sCode = response.getStatusLine().getStatusCode();
         if (sCode == HttpStatus.SC_OK) {
             return EntityUtils.toString(response.getEntity());
         } else
             throw new Exception("StatusCode is " + sCode);
     }     public static String doHttpPost(String serverURL, String xmlString) throws Exception {
         Log.d("doHttpPost", "serverURL="+serverURL);
         HttpParams httpParameters = new BasicHttpParams();
         HttpConnectionParams.setConnectionTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpConnectionParams.setSoTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpProtocolParams.setVersion(httpParameters, HttpVersion.HTTP_1_1);
         HttpProtocolParams.setContentCharset(httpParameters, HTTP.UTF_8);
         HttpClient hc = new DefaultHttpClient();
         HttpPost post = new HttpPost(serverURL);
         post.addHeader("Content-Type", "text/xml");
         post.setEntity(new StringEntity(xmlString, "UTF-8"));
         post.setParams(httpParameters);
         HttpResponse response = null;
         try {
             response = hc.execute(post);
         } catch (UnknownHostException e) {
             throw new Exception("Unable to access " + e.getLocalizedMessage());
         } catch (SocketException e) {
             throw new Exception(e.getLocalizedMessage());
         }
         int sCode = response.getStatusLine().getStatusCode();
         Log.d("response code ", "sCode="+sCode);
         if (sCode == HttpStatus.SC_OK) {
             return EntityUtils.toString(response.getEntity());
         } else
             throw new Exception("StatusCode is " + sCode);
     }     public static String doHttpsPost(String serverURL, String xmlString) throws Exception {
         HttpParams httpParameters = new BasicHttpParams();
         HttpConnectionParams.setConnectionTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpConnectionParams.setSoTimeout(httpParameters, CONNECTION_TIMEOUT);
         HttpClient hc = initHttpClient(httpParameters);
         HttpPost post = new HttpPost(serverURL);
         post.addHeader("Content-Type", "text/xml");
         post.setEntity(new StringEntity(xmlString, "UTF-8"));
         post.setParams(httpParameters);
         HttpResponse response = null;
         try {
             response = hc.execute(post);
         } catch (UnknownHostException e) {
             throw new Exception("Unable to access " + e.getLocalizedMessage());
         } catch (SocketException e) {
             throw new Exception(e.getLocalizedMessage());
         }
         int sCode = response.getStatusLine().getStatusCode();
         if (sCode == HttpStatus.SC_OK) {
             return EntityUtils.toString(response.getEntity());
         } else
             throw new Exception("StatusCode is " + sCode);
     }     public static HttpClient initHttpClient(HttpParams params) {
         try {
             KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
             trustStore.load(null, null);             SSLSocketFactory sf = new SSLSocketFactoryImp(trustStore);
             sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);             HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
             HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);             SchemeRegistry registry = new SchemeRegistry();
             registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
             registry.register(new Scheme("https", sf, 443));             ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);             return new DefaultHttpClient(ccm, params);
         } catch (Exception e) {
             return new DefaultHttpClient(params);
         }
     }     public static class SSLSocketFactoryImp extends SSLSocketFactory {
         final SSLContext sslContext = SSLContext.getInstance("TLS");         public SSLSocketFactoryImp(KeyStore truststore) throws NoSuchAlgorithmException,
                 KeyManagementException, KeyStoreException, UnrecoverableKeyException {
             super(truststore);             TrustManager tm = new X509TrustManager() {
                 public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                     return null;
                 }                 @Override
                 public void checkClientTrusted(java.security.cert.X509Certificate[] chain,
                         String authType) throws java.security.cert.CertificateException {
                 }                 @Override
                 public void checkServerTrusted(java.security.cert.X509Certificate[] chain,
                         String authType) throws java.security.cert.CertificateException {
                 }
             };
             sslContext.init(null, new TrustManager[] {
                 tm
             }, null);
         }         @Override
         public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
                 throws IOException, UnknownHostException {
             return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
         }         @Override
         public Socket createSocket() throws IOException {
             return sslContext.getSocketFactory().createSocket();
         }
     }

android http 和https请求