JSP开发中Apache-HTTPClient 用户验证的实例详解

JSP开发中Apache-HTTPClient 用户验证的实例详解

前言：

在微服务框架之外的系统中，我们经常会遇到使用httpClient进行接口调用的问题，除了进行白名单的设置，很多时候我们需要在接口调用的时候需要身份认证。翻了一下官方文档，解决方法很多，但是都不太符合实际业务场景，这里提供一种简单粗暴的解决方法。

解决方法：利用请求头，将验证信息保存起来。

实现代码：

public class HttpClientUtils {  protected static final Logger LOG = LoggerFactory.getLogger(HttpClientUtils.class);  private static final String AUTHENKEY = "Authorization";  private static final String BASICKEY = "Basic ";  public static String getConnect(String url,String username,String password) {    CloseableHttpResponse response = null;    CloseableHttpClient client = HttpClients.createDefault();    HttpGet httpGet = new HttpGet(url);    Base64 token = new Base64();    String authenticationEncoding = token.encodeAsString(new String(username + ":" + password).getBytes());    httpGet.setHeader(AUTHENKEY, BASICKEY + authenticationEncoding);    String responseContent = "";    try {      response = client.execute(httpGet);      HttpEntity entity = response.getEntity();      responseContent = EntityUtils.toString(entity, "UTF-8");    } catch (IOException e) {      LOG.error(e.toString());    } finally {      if (response != null) {        try {          response.close();        } catch (IOException e) {          LOG.error(e.toString());        }      }      if (client != null) {        try {          client.close();        } catch (IOException e) {          LOG.error(e.toString());        }      }    }    return responseContent;  }}

以上就是Apache-HTTPClient 用户验证的实例，如有疑问请留言或者到本站社区交流讨论，感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！