import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.Socket;
import java.security.cert.X509Certificate;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.springframework.http.client.SimpleClientHttpRequestFactory;

/**
 *
 * @ClassName: HttpsClientRequestFactory
 * @Description: TODO(描述)
 * @author yangjian
 * @date 2020-04-24 05:20:27
 */
public class HttpsClientRequestFactory extends SimpleClientHttpRequestFactory {

    @Override
    protected void prepareConnection(HttpURLConnection connection, String httpMethod) {
        try {
            if (!(connection instanceof HttpsURLConnection)) {
                throw new RuntimeException("An instance of HttpsURLConnection is expected");
            }

            HttpsURLConnection httpsConnection = (HttpsURLConnection) connection;

            TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
                @Override
                public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                    return null;
                }

                @Override
                public void checkClientTrusted(X509Certificate[] certs, String authType) {
                }

                @Override
                public void checkServerTrusted(X509Certificate[] certs, String authType) {
                }

            } };
            SSLContext sslContext = SSLContext.getInstance("TLS");
            sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
            httpsConnection.setSSLSocketFactory(new MyCustomSSLSocketFactory(sslContext.getSocketFactory()));

            httpsConnection.setHostnameVerifier(new HostnameVerifier() {
                @Override
                public boolean verify(String s, SSLSession sslSession) {
                    return true;
                }
            });

            super.prepareConnection(httpsConnection, httpMethod);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * We need to invoke sslSocket.setEnabledProtocols(new String[] {"SSLv3"}); see
     * http://www.oracle.com/technetwork/java/javase/documentation/cve-2014-3566-2342133.html
     * (Java 8 section)
     */
    // SSLSocketFactory用于创建 SSLSockets
    private static class MyCustomSSLSocketFactory extends SSLSocketFactory {

        private final SSLSocketFactory delegate;

        public MyCustomSSLSocketFactory(SSLSocketFactory delegate) {
            this.delegate = delegate;
        }

        // 返回默认启用的密码套件。除非一个列表启用，对SSL连接的握手会使用这些密码套件。
        // 这些默认的服务的最低质量要求保密保护和服务器身份验证
        @Override
        public String[] getDefaultCipherSuites() {
            return delegate.getDefaultCipherSuites();
        }

        // 返回的密码套件可用于SSL连接启用的名字
        @Override
        public String[] getSupportedCipherSuites() {
            return delegate.getSupportedCipherSuites();
        }

        @Override
        public Socket createSocket(final Socket socket, final String host, final int port, final boolean autoClose)
                throws IOException {
            final Socket underlyingSocket = delegate.createSocket(socket, host, port, autoClose);
            return overrideProtocol(underlyingSocket);
        }

        @Override
        public Socket createSocket(final String host, final int port) throws IOException {
            final Socket underlyingSocket = delegate.createSocket(host, port);
            return overrideProtocol(underlyingSocket);
        }

        @Override
        public Socket createSocket(final String host, final int port, final InetAddress localAddress,
                final int localPort) throws IOException {
            final Socket underlyingSocket = delegate.createSocket(host, port, localAddress, localPort);
            return overrideProtocol(underlyingSocket);
        }

        @Override
        public Socket createSocket(final InetAddress host, final int port) throws IOException {
            final Socket underlyingSocket = delegate.createSocket(host, port);
            return overrideProtocol(underlyingSocket);
        }

        @Override
        public Socket createSocket(final InetAddress host, final int port, final InetAddress localAddress,
                final int localPort) throws IOException {
            final Socket underlyingSocket = delegate.createSocket(host, port, localAddress, localPort);
            return overrideProtocol(underlyingSocket);
        }

        private Socket overrideProtocol(final Socket socket) {
            if (!(socket instanceof SSLSocket)) {
                throw new RuntimeException("An instance of SSLSocket is expected");
            }
            ((SSLSocket) socket).setEnabledProtocols(new String[] { "TLSv1" });
            return socket;
        }
    }
}

import org.apache.log4j.Logger;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;

/**
 *
 * @ClassName: HttpClient
 * @Description: TODO(描述)
 * @author yangjian
 * @date 2020-04-16 01:05:14
 */
public class MyHttpClient {

    private static final Logger logger = Logger.getLogger(MyHttpClient.class);

    public static String sendPostRequestHttps(String url, String jsonStr) {

        RestTemplate restTemplate = new RestTemplate(new HttpsClientRequestFactory());

        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        headers.setContentType(MediaType.parseMediaType("application/json; charset=UTF-8"));
        headers.add("Accept", MediaType.APPLICATION_JSON.toString());

        HttpEntity<String> entity = new HttpEntity<String>(jsonStr, headers);
        ResponseEntity<String> responseEntity = restTemplate.postForEntity(url, entity, String.class);
        if (!responseEntity.getStatusCode().equals(HttpStatus.OK)) {
            logger.error("MyHttpClient:-->sendPostRequestHttps:" + responseEntity.getStatusCode().value() + "     " + url
                    + "      " + jsonStr);
        }
        return responseEntity.getBody();
    }
   
   
    public static String sendPostRequestHttp(String url, String jsonStr) {

        RestTemplate restTemplate = new RestTemplate();

        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        headers.setContentType(MediaType.parseMediaType("application/json; charset=UTF-8"));
        headers.add("Accept", MediaType.APPLICATION_JSON.toString());

        HttpEntity<String> entity = new HttpEntity<String>(jsonStr, headers);
        ResponseEntity<String> responseEntity = restTemplate.postForEntity(url, entity, String.class);
        if (!responseEntity.getStatusCode().equals(HttpStatus.OK)) {
            logger.error("MyHttpClient:-->sendPostRequestHttp:" + responseEntity.getStatusCode().value() + "     " + url
                    + "      " + jsonStr);
        }
        return responseEntity.getBody();
    }
}