解决No subject alternative names present问题

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())) {