HTTPS访问方法的代码,抄一个能用的DEMO吧,我测试过的,可以用、,希望对大家也有用
import
java.io.
*
;
import
java.net.
*
;
import
java.security.
*
;
import
java.security.cert.
*
;
import
java.util.
*
;
import
javax.net.ssl.
*
;
public
class
HttpsTest
...
{
// We would never hardcode this literal in a real system, // this is only for this article. private String url = "https://www.paypal.com/cn"; // Create an anonymous class to trust all certificates. // This is bad style, you should create a separate class.
private X509TrustManager xtm = new X509TrustManager() ...{ public void checkClientTrusted(X509Certificate[] chain, String authType) ...{} public void checkServerTrusted(X509Certificate[] chain, String authType) ...{ System.out.println("cert: " + chain[0].toString() + ", authType: " + authType);
} public X509Certificate[] getAcceptedIssuers() ...{ return null; } }; // Create an class to trust all hosts private HostnameVerifier hnv = new HostnameVerifier() ...{ public boolean verify(String hostname, SSLSession session) ...{ System.out.println("hostname: " + hostname); return true; } }; // In this function we configure our system with a less stringent // hostname verifier and X509 trust manager. This code is // executed once, and calls the static methods of HttpsURLConnection public HttpsTest() ...{ // Initialize the TLS SSLContext with // our TrustManager SSLContext sslContext = null; try ...{ sslContext = SSLContext.getInstance("TLS"); X509TrustManager[] xtmArray = new X509TrustManager[] ...{ xtm }; sslContext.init(null, xtmArray, new java.security.SecureRandom()); } catch(GeneralSecurityException gse) ...{ // Print out some error message and deal with this exception } // Set the default SocketFactory and HostnameVerifier // for javax.net.ssl.HttpsURLConnection if(sslContext != null) ...{ HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory()); } HttpsURLConnection.setDefaultHostnameVerifier(hnv); } // This function is called periodically, the important thing // to note here is that there is no special code that needs to // be added to deal with a "HTTPS" URL. All of the trust // management, verification, is handled by the HttpsURLConnection. public void run() ...{ try ...{ URLConnection urlCon = (new URL(url)).openConnection(); BufferedReader in = new BufferedReader(new InputStreamReader(urlCon.getInputStream())); String line; while((line = in.readLine()) != null) ...{ System.out.println(line); } // Whatever we want to do with these quotes } catch(MalformedURLException mue) ...{ mue.printStackTrace(); } catch(IOException ioe) ...{ ioe.printStackTrace(); } catch(Exception e) ...{ e.printStackTrace(); } } public static void main(String[] args) ...{ HttpsTest httpsTest = new HttpsTest(); httpsTest.run(); }
}
