HttpClient之配置ssl，采用绕过证书验证实现https

/**
* 绕过验证
*
* @return
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
*/
public static SSLContext createIgnoreVerifySSL() throws NoSuchAlgorithmException, KeyManagementException {
SSLContext sc = SSLContext.getInstance("SSLv3");

// 实现一个X509TrustManager接口，用于绕过验证，不用修改里面的方法
X509TrustManager trustManager = new X509TrustManager() {
@Override
public void checkClientTrusted(
java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}

@Override
public void checkServerTrusted(
java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}

@Override
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
};

sc.init(null, new TrustManager[] { trustManager }, null);
return sc;
}

 

/**
* 模拟请求
*
* @param url 资源地址
* @param map 参数列表
* @param encoding 编码
* @return
* @throws NoSuchAlgorithmException
* @throws KeyManagementException
* @throws IOException
* @throws ClientProtocolException
*/
public static String send(String url, Map<String,String> map,String encoding) throws KeyManagementException, NoSuchAlgorithmException, ClientProtocolException, IOException {
String body = "";
//采用绕过验证的方式处理https请求
SSLContext sslcontext = createIgnoreVerifySSL();

// 设置协议http和https对应的处理socket链接工厂的对象
Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.INSTANCE)
.register("https", new SSLConnectionSocketFactory(sslcontext))
.build();
PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
HttpClients.custom().setConnectionManager(connManager);

//创建自定义的httpclient对象
CloseableHttpClient client = HttpClients.custom().setConnectionManager(connManager).build();
// CloseableHttpClient client = HttpClients.createDefault();

//创建post方式请求对象
HttpPost httpPost = new HttpPost(url);

//装填参数
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
if(map!=null){
for (Entry<String, String> entry : map.entrySet()) {
nvps.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
}
//设置参数到请求对象中
httpPost.setEntity(new UrlEncodedFormEntity(nvps, encoding));

System.out.println("请求地址："+url);
System.out.println("请求参数："+nvps.toString());

//设置header信息
//指定报文头【Content-type】、【User-Agent】
httpPost.setHeader("Content-type", "application/x-www-form-urlencoded");
httpPost.setHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");

//执行请求操作，并拿到结果（同步阻塞）
CloseableHttpResponse response = client.execute(httpPost);
//获取结果实体
HttpEntity entity = response.getEntity();
if (entity != null) {
//按指定编码转换结果实体为String类型
body = EntityUtils.toString(entity, encoding);
}
EntityUtils.consume(entity);
//释放链接
response.close();
return body;
}