import java.io.IOException;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.ClientProtocolException;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.impl.client.HttpClientBuilder;import org.apache.http.util.EntityUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import com.google.gson.Gson;/** * HTTP请求辅助工具 * ?* @project iweixin * @fileName WeixinUtil.java * @Description * @author light-zhang * @date 2018年5月29日下午3:29:42 * @version 1.0.0 */public class HttpUtils { ???private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class); ???/** ????* 发送GET请求 ????* ?????* @param url ????* @param obj ????* @return ????*/ ???public static <T> T doGet(String url, Class<T> _class) { ???????HttpClient httpClient = HttpClientBuilder.create().build(); ???????HttpGet httpGet = new HttpGet(url); ???????try { ???????????HttpResponse response = httpClient.execute(httpGet); ???????????HttpEntity entity = response.getEntity(); ???????????if (entity != null) { ???????????????logger.debug("*********************doGet-URL****************" + url); ???????????????return new Gson().fromJson(EntityUtils.toString(entity, "utf-8"), _class); ???????????} ???????} catch (ClientProtocolException e) { ???????????e.printStackTrace(); ???????} catch (IOException e) { ???????????e.printStackTrace(); ???????} ???????return null; ???} ???/** ????* 发送POST请求 ????* ?????* @param url ????* @param _class ????* @return ????*/ ???public static <T> T doPost(String url, Class<T> _class) { ???????HttpClient httpClient = HttpClientBuilder.create().build(); ???????HttpPost httpPost = new HttpPost(url); ???????try { ???????????HttpResponse response = httpClient.execute(httpPost); ???????????HttpEntity entity = response.getEntity(); ???????????if (entity != null) { ???????????????logger.debug( ???????????????????????"*********************doPost-URL****************" + url); ???????????????return new Gson().fromJson(EntityUtils.toString(entity, "utf-8"), _class); ???????????} ???????} catch (ClientProtocolException e) { ???????????e.printStackTrace(); ???????} catch (IOException e) { ???????????e.printStackTrace(); ???????} ???????return null; ???}}HttpUtils 发送HTTP/HTTPS/{get/post}请求
原文地址：https://www.cnblogs.com/light-zhang/p/9117769.html