java 访问https忽略证书
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import java.security.cert.X509Certificate; import javax.net.ssl.SSLContext; import javax.net.ssl.HttpsURLConnection; import java.security.SecureRandom; import javax.net.ssl.HostnameVerifier; import javax.net.ssl.SSLSession; import javax.security.cert.CertificateException; public class HttpDemo { /** * Trust every server - dont check for any certificate */ private static void trustAllHosts() { // Create a trust manager that does not validate certificate chains TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() { public java.security.cert.X509Certificate[] getAcceptedIssuers() { return new java.security.cert.X509Certificate[] {}; } public void checkClientTrusted(X509Certificate[] chain, String authType) { } public void checkServerTrusted(X509Certificate[] chain, String authType) { } } }; // Install the all-trusting trust manager try { SSLContext sc = SSLContext.getInstance("TLS"); sc.init(null, trustAllCerts, new java.security.SecureRandom()); HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory()); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { httpGet(); } }