java中HttpClient发送https请求忽略SSL证书

import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.ssl.TrustStrategy;


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//配置，发送https请求时，忽略ssl证书认证（否则会报错没有证书）
SSLContext sslContext = null;
try {
    sslContext = SSLContexts.custom().loadTrustMaterial(null, new TrustStrategy() {
        @Override
        public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
            return true;
        }
    }).build();
} catch (NoSuchAlgorithmException e) {
    e.printStackTrace();
} catch (KeyManagementException e) {
    e.printStackTrace();
} catch (KeyStoreException e) {
    e.printStackTrace();
}

//创建httpClient
CloseableHttpClient client = HttpClients.custom().setSslcontext(sslContext).
        setSSLHostnameVerifier(new NoopHostnameVerifier()).build();
        
//创建 POST请求对象
HttpPost post = new HttpPost(url);
//请求参数设置
JSonObject param = new JSonObject();
param.put("name", "A");
param.put("value", "a");
String jsonParam = param.toString();
post.setEntity(new StringEntity(jsonParam, "UTF-8"));

//请求头设置
post.addHeader("Content-Type", "application/json; charset=utf-8");
post.addHeader("Host", URL_HOST);

//请求超时时间设置
post.setConfig(RequestConfig.custom()
// 连接超时时间
.setConnectTimeout(5000)
// 请求超时时间
.setConnectionRequestTimeout(5000)
// Socket读取超时时间
.setSocketTimeout(5000)
// 是否允许重定向
.setRedirectsEnabled(false)
.build());

//发送请求
CloseableHttpResponse response = null;
try {
    response = client.execute(post);
} catch (IOException e) {
    e.printStackTrace();
    log.error("request error. ");
    return  responseDto;
}

//处理请求结果 response