HttpsURLConnection，httpurlconnection

HttpsURLConnection，httpurlconnection

package test;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;import java.security.KeyManagementException;import java.security.NoSuchAlgorithmException;import java.security.SecureRandom;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.ssl.HttpsURLConnection;import javax.net.ssl.KeyManager;import javax.net.ssl.SSLContext;import javax.net.ssl.SSLSocketFactory;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;public class Test {    public static void main(String[] args) {        HttpsURLConnection conn = null;        try {            URL url = new URL("https://home.cnblogs.com/u/mjn0");            conn = (HttpsURLConnection) url.openConnection();            SSLContext context = SSLContext.getInstance("TLS");            X509TrustManager xtm = 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 {                }            };            KeyManager[] km = null;            TrustManager[] tm = new TrustManager[] { xtm };            SecureRandom random = null;            context.init(km, tm, random);            SSLSocketFactory sf = context.getSocketFactory();            conn.setSSLSocketFactory(sf);        } catch (MalformedURLException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } catch (NoSuchAlgorithmException e) {            e.printStackTrace();        } catch (KeyManagementException e) {            e.printStackTrace();        }        try (InputStream is = conn.getInputStream();                InputStreamReader isr = new InputStreamReader(is, "utf-8");                BufferedReader br = new BufferedReader(isr);) {            String line;            while ((line = br.readLine()) != null) {                System.out.println(line);            }        } catch (IOException e) {            e.printStackTrace();        }    }}