版权声明：本文为博主原创文章，未经博主允许不得转载。如需转载请声明：【转自 http://blog.csdn.net/xiaoxian8023 】     HttpClient请求https的实例： ~~~ import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.ResponseHandler; import org.apache.http.client.methods.HttpGet; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.scheme.SchemeSocketFactory; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.impl.client.BasicResponseHandler; import org.apache.http.impl.client.ClientParamsStack; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.params.DefaultedHttpParams; import org.apache.http.params.HttpParams; public class HttpClientTest { public static void main(String args[]) { try { HttpClient httpclient = new DefaultHttpClient(); //Secure Protocol implementation. SSLContext ctx = SSLContext.getInstance("SSL"); //Implementation of a trust manager for X509 certificates X509TrustManager tm = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] xcs, String string) throws CertificateException { } public void checkServerTrusted(X509Certificate[] xcs, String string) throws CertificateException { } public X509Certificate[] getAcceptedIssuers() { return null; } }; ctx.init(null, new TrustManager[] { tm }, null); SSLSocketFactory ssf = new SSLSocketFactory(ctx); ClientConnectionManager ccm = httpclient.getConnectionManager(); //register https protocol in httpclient's scheme registry SchemeRegistry sr = ccm.getSchemeRegistry(); sr.register(new Scheme("https", 443, ssf)); HttpGet httpget = new HttpGet(""); HttpParams params = httpclient.getParams(); params.setParameter("param1", "paramValue1"); httpget.setParams(params); System.out.println("REQUEST:" + httpget.getURI()); ResponseHandler responseHandler = new BasicResponseHandler(); String responseBody; responseBody = httpclient.execute(httpget, responseHandler); System.out.println(responseBody); // Create a response handler } catch (NoSuchAlgorithmException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception ex) { ex.printStackTrace(); } } } ~~~