java httpClient 禁用证书验证

 /**
     * post调用禁用ssl
     * @param url--请求url
     * @param param--入参
     * @param overTime--超时时间
     * @param contentType--http内容类型
     * @return
     * @throws Exception
     */
    public static String doHttpPostNoSsl(String url,String param,int overTime,String contentType) throws Exception {
        CloseableHttpResponse response = null;
        String resultString = "";
        CloseableHttpClient httpClient = null;
        try {
            // 创建SSLContext并禁用证书验证
            /**
            SSLContext sslContext = SSLContext.getInstance("SSL");
            sslContext.init(null, null, new java.security.SecureRandom());
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                    sslContext,
                    NoopHostnameVerifier.INSTANCE);
             **/
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null,new TrustStrategy(){
            //信任所有证书
                public boolean isTrusted(X509Certificate[] arg0, String arg1)
                        throws CertificateException {
                    return true;
                }
            }).build();
            //创建主机名验证器，用于绕过主机名验证
            HostnameVerifier hostnameVerifier = NoopHostnameVerifier.INSTANCE;
            //创建SSL连接套接字工厂，将自定义的SSL上下文和主机名验证器应用于HTTPS连接
            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext,hostnameVerifier);
            RequestConfig defaultRequestConfig = RequestConfig.custom().setSocketTimeout(overTime).setConnectTimeout(overTime).setConnectionRequestTimeout(overTime).build();
            //这个超时可以设置为客户端级别，作为所有请求的默认值
            httpClient = HttpClients.custom()
                    //.setDefaultRequestConfig(defaultRequestConfig)
                    .setSSLSocketFactory(sslsf)
                    .build();
            //Request不会继承客户端级别的请求配置，所以在自定义Request的时候，需要将客户端的默认配置拷贝过去
            RequestConfig requestConfig = RequestConfig.copy(defaultRequestConfig).build();
            //创建Http post请求
            HttpPost httpPost = new HttpPost(url);
            httpPost.setHeader("Content-Type", contentType);
            httpPost.setConfig(requestConfig);
            if(StringUtils.isNotBlank(param)){
                StringEntity se = new StringEntity(param,"utf-8");
                se.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE,contentType));
                httpPost.setEntity(se);
            }
            //执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "utf-8");
            log.info(sep + ">>>>>>>>>>>>>>>>>>>post调用>>>>>>>>>>>>>>>>>>>>>>>>"  + sep
                    + "【url】:{}" + sep
                    + "【param】:{}" + sep
                    + "【response】:{}" + sep
                    + "<<<<<<<<<<<<<<<<<<<<<post调用<<<<<<<<<<<<<<<<<<<<<<<",url,param,resultString);
        } catch (Exception e) {
            logger.error(e.getMessage());
            throw new Exception(e.getMessage());
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                if (httpClient != null) {
                    httpClient.close();
                }
            } catch (IOException e) {
                logger.error(e.getMessage());
            }
        }
        return resultString;
    }