Java代码忽略https证书：解决No subject alternative names present问题 HttpURLConnection https请求

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.*;
import java.io.*;
import java.net.HttpURLConnection;
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;

/**
 * Java代码忽略https证书：解决No subject alternative names present问题
 */
public class HttpsUtils {
    private static final Logger logger = LoggerFactory.getLogger(HttpsUtils.class);


    public static String get(String hosturl,String params,String contentType) throws IOException, KeyManagementException, NoSuchAlgorithmException {
        HttpsURLConnection.setDefaultHostnameVerifier(new HttpsUtils().new NullHostNameVerifier());
        SSLContext sc = SSLContext.getInstance("TLS");
        sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        URL url = new URL(hosturl+"?"+params);
        logger.info("参数:"+hosturl+"?"+params);

        // 打开restful链接
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");// POST GET PUT DELETE
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
        conn.setRequestProperty("Content-Type", "text/plain;charset=utf-8");

        // 设置访问提交模式，表单提交
//        conn.setRequestProperty("Content-Type", "text/plain;charset=utf-8");
//        conn.setRequestProperty("Content-Type",contentType);
        conn.setConnectTimeout(130000);// 连接超时 单位毫秒
        conn.setReadTimeout(130000);// 读取超时 单位毫秒

        // 读取请求返回值
        byte bytes[] = new byte[1024];
        InputStream inStream = conn.getInputStream();
        inStream.read(bytes, 0, inStream.available());
        logger.info("返回结果:" + new String(bytes, "utf-8"));
        return new String(bytes, "utf-8");
    }

    /**
     *
     * @param hosturl
     * @param params
     * @param contentType  text/plain;charset=utf-8     application/json;charset=utf-8
     * @return
     * @throws IOException
     * @throws KeyManagementException
     * @throws NoSuchAlgorithmException
     */
    public static String post(String hosturl,String params,String contentType)  {
        StringBuffer result = new StringBuffer();
        OutputStream os = null;
        InputStream is = null;
        BufferedReader br = null;
        HttpURLConnection conn = null;
        try {
            HttpsURLConnection.setDefaultHostnameVerifier(new HttpsUtils().new NullHostNameVerifier());
            SSLContext sc = SSLContext.getInstance("TLS");
            sc.init(null, trustAllCerts, new SecureRandom());
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
//        URL url = new URL(hosturl+"?"+params);
//        logger.info("参数:"+hosturl+"?"+params);

            URL url = new URL(hosturl);
            logger.info("参数url:" + hosturl +",params:"+ params);

            // 打开restful链接
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("POST");// POST GET PUT DELETE
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
            conn.setRequestProperty("Content-Type", "text/plain;charset=utf-8");

            // 设置访问提交模式，表单提交
//        conn.setRequestProperty("Content-Type", "text/plain;charset=utf-8");
//        conn.setRequestProperty("Content-Type",contentType);
            conn.setConnectTimeout(130000);// 连接超时 单位毫秒
            conn.setReadTimeout(130000);// 读取超时 单位毫秒
            //DoOutput设置是否向httpUrlConnection输出，DoInput设置是否从httpUrlConnection读入，此外发送post请求必须设置这两个
            //设置是否可读取
            conn.setDoOutput(true);
            conn.setDoInput(true);

            //拼装参数
            if (null != params && !params.equals("")) {
                //设置参数
                os = conn.getOutputStream();
                //拼装参数
                os.write(params.getBytes("UTF-8"));
                logger.info("发送请求参数成功，params:"+params);
            }


            // 读取请求返回值，收不到返回??
//        byte bytes[] = new byte[1024];
//        InputStream inStream = conn.getInputStream();
//        inStream.read(bytes, 0, inStream.available());
//        logger.info("返回结果:" + new String(bytes, "utf-8"));
//        return new String(bytes, "utf-8");

            //读取响应
            if (conn.getResponseCode() == 200) {
                is = conn.getInputStream();
                if (null != is) {
                    br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
                    String temp = null;
                    while (null != (temp = br.readLine())) {
                        result.append(temp);
                        result.append("\r\n");
                    }
                }else{
                    logger.error("连接获取返回inputStream null");
                }
            }

            logger.info("responseCode:"+conn.getResponseCode()+"返回url:" + hosturl +",返回result:"+ result.toString());

        }catch (Exception e) {
            logger.error("post exception:",e);
        }finally {
            //关闭连接
            if(br!=null){
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(os!=null){
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(is!=null){
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            //关闭连接
            conn.disconnect();
        }
        return result.toString();
    }

    /**
     *
     * @param hosturl
     * @param params
     * @param contentType
     * @return
     * @throws IOException
     * @throws KeyManagementException
     * @throws NoSuchAlgorithmException
     */
    public static String postJson(String hosturl,String params,String contentType) {
        StringBuffer result = new StringBuffer();
        OutputStream os = null;
        InputStream is = null;
        BufferedReader br = null;
        HttpURLConnection conn = null;

        try {
            HttpsURLConnection.setDefaultHostnameVerifier(new HttpsUtils().new NullHostNameVerifier());
            SSLContext sc = SSLContext.getInstance("TLS");
            sc.init(null, trustAllCerts, new SecureRandom());
            HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
            URL url = new URL(hosturl);
            logger.info("参数url:" + hosturl + ",params=" + params);
            // 打开restful链接
            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("POST");// POST GET PUT DELETE
            // 设置访问提交模式，表单提交
//        conn.setRequestProperty("Content-Type", "text/plain;charset=utf-8");
//        conn.setRequestProperty("Content-Type",contentType);
            //设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
            conn.setRequestProperty("Content-Type", "application/json;charset=utf-8");
            conn.setConnectTimeout(130000);// 连接超时 单位毫秒
            conn.setReadTimeout(130000);// 读取超时 单位毫秒
            //DoOutput设置是否向httpUrlConnection输出，DoInput设置是否从httpUrlConnection读入，此外发送post请求必须设置这两个
            //设置是否可读取
            conn.setDoOutput(true);
            conn.setDoInput(true);

            //拼装参数
            if (null != params && !params.equals("")) {
                //设置参数
                os = conn.getOutputStream();
                //拼装参数
                os.write(params.getBytes("UTF-8"));
                logger.info("发送请求参数成功，params:"+params);
            }

            //读取响应 // 读取请求返回值，收不到返回??
//        if (conn.getResponseCode() == 200) {
            // 读取请求返回值
//            byte bytes[] = new byte[1024];
//            InputStream inStream = conn.getInputStream();
//            inStream.read(bytes, 0, inStream.available());
//            logger.info("返回结果:" + new String(bytes, "utf-8"));
//            return new String(bytes, "utf-8");
//        }
//        return null;

            //读取响应
            if (conn.getResponseCode() == 200) {
                is = conn.getInputStream();
                if (null != is) {
                    br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
                    String temp = null;
                    while (null != (temp = br.readLine())) {
                        result.append(temp);
                        result.append("\r\n");
                    }
                }else{
                    logger.error("连接获取返回inputStream null");
                }
            }

            logger.info("responseCode:"+conn.getResponseCode()+"返回url:" + hosturl +",返回result:"+ result.toString());

        }catch (Exception e) {
            logger.error("postJson exception:",e);
        }finally {
            //关闭连接
            if(br!=null){
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(os!=null){
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(is!=null){
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            //关闭连接
            conn.disconnect();
        }
        return result.toString();
    }


    static TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            // TODO Auto-generated method stub
        }

        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            // TODO Auto-generated method stub
        }

        @Override
        public X509Certificate[] getAcceptedIssuers() {
            // TODO Auto-generated method stub
            return null;
        }
    } };

    public class NullHostNameVerifier implements HostnameVerifier {
        /*
         * (non-Javadoc)
         *
         * @see javax.net.ssl.HostnameVerifier#verify(java.lang.String,
         * javax.net.ssl.SSLSession)
         */
        @Override
        public boolean verify(String arg0, SSLSession arg1) {
            // TODO Auto-generated method stub
            return true;
        }
    }

}