httpclient https例子 | 易学教程

之前很早写过，又用到了，还要baidu，记录一下，回头就自己用了

package com.neusoft.sample.opscopereq;

import java.io.InputStream;
import java.nio.charset.Charset;
import java.security.KeyStore;
import java.security.SecureRandom;
import java.security.cert.CertificateFactory;
import java.util.Base64;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManagerFactory;

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import com.alibaba.fastjson.JSONObject;

public class M {
   public static void main(String[] args) throws Exception {
       InputStream inputStream = M.class.getClassLoader().getResourceAsStream("sssssss.crt");
       CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
       KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
       keyStore.load(null);
       String certificateAlias = Integer.toString(0);
       keyStore.setCertificateEntry(certificateAlias, certificateFactory.generateCertificate(inputStream));
       inputStream.close();
       SSLContext sslContext = SSLContext.getInstance("TLS");
       TrustManagerFactory trustManagerFactory = TrustManagerFactory
               .getInstance(TrustManagerFactory.getDefaultAlgorithm());

       trustManagerFactory.init(keyStore);
       sslContext.init(null, trustManagerFactory.getTrustManagers(), new SecureRandom());
       CloseableHttpClient client = HttpClients.custom().setSSLContext(sslContext).setSSLHostnameVerifier(new HostnameVerifier() {

           public boolean verify(String hostname, SSLSession session) {
               // TODO Auto-generated method stub
               return true;
           }
       }) .build();

   HttpPost http = new HttpPost("www.url.com");

   String USERNAME = "user";

       String PASSWORD = "psw";
   String auth = USERNAME + ":" + PASSWORD;
           byte[] encodedAuth = Base64.getEncoder().encode(auth.getBytes(Charset.forName("US-ASCII")));
           String AUTH_HEADER_VAL = "Basic " + new String(encodedAuth);
           http.setHeader("Authorization", AUTH_HEADER_VAL);

       JSONObject paramObj = new JSONObject();
           paramObj.put("industryCode", "517");
           paramObj.put("keyWord", "批发");
           paramObj.put("pageNum", 1);
   HttpEntity entity=new StringEntity(paramObj.toJSONString(), "application/json;", "utf-8");

           http.setEntity(entity);

CloseableHttpResponse res = client.execute(http);

String aa = EntityUtils.toString( res.getEntity() );

System.out.println(aa);
}

}

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.10</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.6</version>
</dependency>

来源：https://my.oschina.net/internetafei/blog/3105128

标签

httpclient

apache

HttpComponents

entity