用jdk1.7去访问https，怎么都不成功，要么成功后就是返回html代码，而不是json数据，主要因为jdk1.7默认https 请求是TLS1不支持TLS1.2。jdk1.7需要加入一个jar包：
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>1.57</version>
</dependency>
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyStore;
import java.security.Principal;
import java.security.SecureRandom;
import java.security.Security;
import java.security.cert.CertificateExpiredException;
import java.security.cert.CertificateFactory;
import java.util.Hashtable;
import java.util.LinkedList;
import java.util.List;
import javax.net.ssl.HandshakeCompletedListener;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.security.cert.X509Certificate;
import org.bouncycastle.crypto.tls.*;
import org.bouncycastle.crypto.tls.Certificate;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
public class TLSSocketConnectionFactory extends SSLSocketFactory {
static {
if (Security.getProvider(BouncyCastleProvider.PROVIDER_NAME) == null) {
Security.addProvider(new BouncyCastleProvider());
}
}
@Override
public Socket createSocket(Socket socket, final String host, int port,
boolean arg3) throws IOException {
if (socket == null) {
socket = new Socket();
}
if (!socket.isConnected()) {
socket.connect(new InetSocketAddress(host, port));
}
final TlsClientProtocol tlsClientProtocol = new TlsClientProtocol(socket.getInputStream(), socket.getOutputStream(), new SecureRandom());
return _createSSLSocket(host, tlsClientProtocol);
}
@Override
public String[] getDefaultCipherSuites() {
return null;
}
@Override
public String[] getSupportedCipherSuites() {
return null;
}
@Override
public Socket createSocket(String host, int port) throws IOException, UnknownHostException {
throw new UnsupportedOperationException();
}
@Override
public Socket createSocket(InetAddress host, int port) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException, UnknownHostException {
return null;
}
@Override
public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
throw new UnsupportedOperationException();
}
private SSLSocket _createSSLSocket(final String host, final TlsClientProtocol tlsClientProtocol) {
return new SSLSocket() {
private java.security.cert.Certificate[] peertCerts;
@Override
public InputStream getInputStream() throws IOException {
return tlsClientProtocol.getInputStream();
}
@Override
public OutputStream getOutputStream() throws IOException {
return tlsClientProtocol.getOutputStream();
}
@Override
public synchronized void close() throws IOException {
tlsClientProtocol.close();
}
@Override
public void addHandshakeCompletedListener(HandshakeCompletedListener arg0) {
}
@Override
public boolean getEnableSessionCreation() {
return false;
}
@Override
public String[] getEnabledCipherSuites() {
return null;
}
@Override
public String[] getEnabledProtocols() {
return null;
}
@Override
public boolean getNeedClientAuth() {
return false;
}
@Override
public SSLSession getSession() {
return new SSLSession() {
@Override
public int getApplicationBufferSize() {
return 0;
}
@Override
public String getCipherSuite() {
throw new UnsupportedOperationException();
}
@Override
public long getCreationTime() {
throw new UnsupportedOperationException();
}
@Override
public byte[] getId() {
throw new UnsupportedOperationException();
}
@Override
public long getLastAccessedTime() {
throw new UnsupportedOperationException();
}
@Override
public java.security.cert.Certificate[] getLocalCertificates() {
throw new UnsupportedOperationException();
}
@Override
public Principal getLocalPrincipal() {
throw new UnsupportedOperationException();
}
@Override
public int getPacketBufferSize() {
throw new UnsupportedOperationException();
}
@Override
public X509Certificate[] getPeerCertificateChain() throws SSLPeerUnverifiedException {
return null;
}
@Override
public java.security.cert.Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException {
return peertCerts;
}
@Override
public String getPeerHost() {
throw new UnsupportedOperationException();
}
@Override
public int getPeerPort() {
return 0;
}
@Override
public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
return null;
}
@Override
public String getProtocol() {
throw new UnsupportedOperationException();
}
@Override
public SSLSessionContext getSessionContext() {
throw new UnsupportedOperationException();
}
@Override
public Object getValue(String arg0) {
throw new UnsupportedOperationException();
}
@Override
public String[] getValueNames() {
throw new UnsupportedOperationException();
}
@Override
public void invalidate() {
throw new UnsupportedOperationException();
}
@Override
public boolean isValid() {
throw new UnsupportedOperationException();
}
@Override
public void putValue(String arg0, Object arg1) {
throw new UnsupportedOperationException();
}
@Override
public void removeValue(String arg0) {
throw new UnsupportedOperationException();
}
};
}
@Override
public String[] getSupportedProtocols() {
return null;
}
@Override
public boolean getUseClientMode() {
return false;
}
@Override
public boolean getWantClientAuth() {
return false;
}
@Override
public void removeHandshakeCompletedListener(HandshakeCompletedListener arg0) {
}
@Override
public void setEnableSessionCreation(boolean arg0) {
}
@Override
public void setEnabledCipherSuites(String[] arg0) {
}
@Override
public void setEnabledProtocols(String[] arg0) {
}
@Override
public void setNeedClientAuth(boolean arg0) {
}
@Override
public void setUseClientMode(boolean arg0) {
}
@Override
public void setWantClientAuth(boolean arg0) {
}
@Override
public String[] getSupportedCipherSuites() {
return null;
}
@Override
public void startHandshake() throws IOException {
tlsClientProtocol.connect(new DefaultTlsClient() {
@SuppressWarnings("unchecked")
@Override
public Hashtable<Integer, byte[]> getClientExtensions() throws IOException {
Hashtable<Integer, byte[]> clientExtensions = super.getClientExtensions();
if (clientExtensions == null) {
clientExtensions = new Hashtable<Integer, byte[]>();
}
//Add host_name
byte[] host_name = host.getBytes();
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final DataOutputStream dos = new DataOutputStream(baos);
dos.writeShort(host_name.length + 3);
dos.writeByte(0);
dos.writeShort(host_name.length);
dos.write(host_name);
dos.close();
clientExtensions.put(ExtensionType.server_name, baos.toByteArray());
return clientExtensions;
}
@Override
public TlsAuthentication getAuthentication() throws IOException {
return new TlsAuthentication() {
@Override
public void notifyServerCertificate(Certificate serverCertificate) throws IOException {
try {
KeyStore ks = _loadKeyStore();
CertificateFactory cf = CertificateFactory.getInstance("X.509");
List<java.security.cert.Certificate> certs = new LinkedList<java.security.cert.Certificate>();
boolean trustedCertificate = false;
for (org.bouncycastle.asn1.x509.Certificate c : ((org.bouncycastle.crypto.tls.Certificate) serverCertificate).getCertificateList()) {
java.security.cert.Certificate cert = cf.generateCertificate(new ByteArrayInputStream(c.getEncoded()));
certs.add(cert);
String alias = ks.getCertificateAlias(cert);
if (alias != null) {
if (cert instanceof java.security.cert.X509Certificate) {
try {
((java.security.cert.X509Certificate) cert).checkValidity();
trustedCertificate = true;
} catch (CertificateExpiredException cee) {
// Accept all the certs!
}
}
} else {
// Accept all the certs!
}
}
if (!trustedCertificate) {
// Accept all the certs!
}
peertCerts = certs.toArray(new java.security.cert.Certificate[0]);
} catch (Exception ex) {
ex.printStackTrace();
throw new IOException(ex);
}
}
@Override
public TlsCredentials getClientCredentials(CertificateRequest certificateRequest) throws IOException {
return null;
}
private KeyStore _loadKeyStore() throws Exception {
FileInputStream trustStoreFis = null;
try {
KeyStore localKeyStore = null;
String trustStoreType = System.getProperty("javax.net.ssl.trustStoreType") != null ? System.getProperty("javax.net.ssl.trustStoreType") : KeyStore.getDefaultType();
String trustStoreProvider = System.getProperty("javax.net.ssl.trustStoreProvider") != null ? System.getProperty("javax.net.ssl.trustStoreProvider") : "";
if (trustStoreType.length() != 0) {
if (trustStoreProvider.length() == 0) {
localKeyStore = KeyStore.getInstance(trustStoreType);
} else {
localKeyStore = KeyStore.getInstance(trustStoreType, trustStoreProvider);
}
char[] keyStorePass = null;
String str5 = System.getProperty("javax.net.ssl.trustStorePassword") != null ? System.getProperty("javax.net.ssl.trustStorePassword") : "";
if (str5.length() != 0) {
keyStorePass = str5.toCharArray();
}
localKeyStore.load(trustStoreFis, keyStorePass);
if (keyStorePass != null) {
for (int i = 0; i < keyStorePass.length; i++) {
keyStorePass[i] = 0;
}
}
}
return localKeyStore;
} finally {
if (trustStoreFis != null) {
trustStoreFis.close();
}
}
}
};
}
});
} // startHandshake
};
}
}
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.net.ssl.HttpsURLConnection;
import org.apache.commons.lang.StringUtils;
public class HttpClientUtil {
public HttpURLConnection createConnection(URI uri) throws IOException {
URL url = uri.toURL();
URLConnection connection = url.openConnection();
HttpsURLConnection httpsURLConnection = (HttpsURLConnection) connection;
httpsURLConnection
.setSSLSocketFactory(new TLSSocketConnectionFactory());
return httpsURLConnection;
}
public static String get(String url, Map<String, String> paramMap) {
List<String> list = new ArrayList<String>();
if (null != paramMap && paramMap.size() > 0) {
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